| Class 987 | ORGANIC COMPOUNDS CONTAINING A Bi, Sb, As, OR P ATOM OR CONTAINING A METAL ATOM OF THE 6TH TO 8TH GROUP OF THE PERIODIC SYSTEM |
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| E-subclasses in USPC Class 987/1-368 were created as duplicates of EPO groups in C07F. With the implementation of CPC, these E subclasses should no longer be used. Instead, use CPC groups in C07F. | ||
![[List of Pre Grant Publications for class 987 subclass 1]](../as.gif) | ![[List of Patents for class 987 subclass 1]](../ps.gif) | 1 | COMPOUND CONTAINS TWO OR MORE HEAVY METAL ATOMS WHICH ARE IN DIFFERENT GROUPS OF THE PERIODIC SYSTEM (19/00; 19/00B) |
| | 2 | HEAVY METAL COMPOUNDS WHEREIN THE METAL IS BONDED DIRECTLY TO AT LEAST TWO RING SYSTEMS (METALLOCENES) (17/00) |
| | 4 | COBALT COMPOUNDS (15/06) |
| | 6 | NICKEL COMPOUNDS (15/04) |
| | 8 | IRON COMPOUNDS (15/02; 15/03) |
| | 10 | PLATINUM COMPOUNDS (15/00N7) |
| | 12 | RHODIUM COMPOUNDS (15/00N6) |
| | 14 | PALLADIUM COMPOUNDS (15/00N5) |
| | 16 | RUTHENIUM COMPOUNDS (15/00N4; 15/00N4B) |
| | 17 | IRIDIUM COMPOUNDS (15/00N3; 15/00N3B) |
| | 18 | OSMIUM COMPOUNDS (15/00N2; 15/00N2B) |
| | 19 | COMPOUNDS CONTAINING ELEMENTS OF THE 7TH GROUP OF THE PERIODIC SYSTEM (MN, TC, RE) (13/00) |
| | 21 | COMPOUNDS CONTAINING ELEMENTS OF THE 6TH GROUP OF THE PERIODIC SYSTEM (CR, MO, W, PO) (11/00) |
| | 23 | BISMUTH COMPOUNDS (9/94) |
| | 24 | ANTIMONY COMPOUNDS (9/90; 9/90B; 9/90C; 9/90D; 9/90E) |
| | 26 | ARSENIC COMPOUNDS (9/70C) |
| | 27 |  Arsenic compounds devoid of any arsenic as ring atom in a ring system (9/66; 9/68; 9/70; 9/70B; 9/72; 9/72B; 9/72C) |
| | 30 | PHOSPHORUS COMPOUNDS (9/02; 9/06) |
| | 32 | Compound contains at least one atom of silicon or boron (9/02G) |
| | 33 | Compound contains a ring which is devoid of a metal atom and contains at least one P atom as ring member (9/6564; 9/6564V; 9/6568; 9/6568B; 9/6568C; 9/6568D; 9/6568E; 9/6568F) |
| | 34 |  Ring contains N and P only, or may include in addition to the required N and P, only C, S, or O (9/6581; 9/6584; 9/6584A) |
| | 36 | Ring contains S and P only, or may include in addition to the required S and P, only C or O (9/6578; 9/6578D) |
| | 37 | Ring contains O and P only, or may include in addition to the required O and P, only C (9/6571) |
| | 38 |  P in ring is directly bonded to at least two O atoms which are in separate rings (9/6571A8; 9/6574A8) |
| | 39 | Ring contains a P(O) group as atoms within the ring and wherein all atoms bonded to the P atom within the ring, or extracyclic to the ring, are oxygen (9/6574; 9/6574A1) |
| | 41 |  P(O) group containing ring is part of a condensed or bridged carbocyclic ring system (9/6574A4) |
| | 42 | Contains P(O) group as atoms in the ring and wherein the P atom is directly bonded to N (9/6571B) |
| | 43 | Contains P and O as ring atoms and wherein the P atom is directly bonded to a C atom (9/6571L) |
| | 44 | P atom bonded to C is also bonded directly to two O atoms which are in the same ring as P (9/6571L4) |
| | 45 | P atom bonded to C is bonded to an O atom which is in the same ring as P (9/6571L2; 9/6571L6) |
| | 46 | Contains P(O) group as ring atoms and wherein the P atom is directly bonded to extracyclic S (9/6571A; 9/6571A1) |
| | 49 | Ring is devoid of a P or a metal atom and contains at least one hereto atom (O, S, N, Se, or Te) and may or may not contain C (9/547; 9/6524) |
| | 54 | At least two different rings containing hetero atoms or wherein, if the rings are the same, the substituents on at least two of the rings are different (9/6558; 9/6558B) |
| | 56 | Ring contains S only, or may include in addition to the required S, only C, Se, or Te (9/6553) |
| | 58 | Ring contains O only, or may include in addition to the required O, only C, S, Se, or Te (9/655) |
| | 59 | Three-membered ring containing one O and two Cs (9/655J; 9/655J38) |
| | 60 | Ring is condensed or bridged to a carbocyclic ring system (9/655V) |
| | 61 | Ring contains N and S only, or may include in addition to the required N and S, only C, O, Se, or Te (9/6536) |
| | 65 | Ring contains N and O only, or may include in addition to the required N and O, only C (9/6527; 9/653; 9/653V) |
| | 67 | Exactly three N atoms as only hetero atoms in ring (9/6515) |
| | 68 | Six-membered ring containing three N and three C atoms (9/6521; 9/6521E; 9/6521G; 9/6521R) |
| | 69 | Six-membered ring is condensed or bridged to a carbocyclic ring system (9/6521V) |
| | 70 | C atom of ring is bonded directly to a P atom, or is bonded directly to a hetero atom other than N and the hetero atom is directly bonded to a P atom (9/6521K) |
| | 71 | Five-membered ring containing three N and two C atoms (9/6518; 9/6518G; 9/6518R) |
| | 72 | Five-membered ring is condensed or bridged to a carbocyclic ring system (9/6518V) |
| | 73 | C atom of ring is bonded directly to a P atom or is bonded directly to a hetero atom other than N and which hetero atom is directly bonded to a P atom (9/6518K) |
| | 74 | N atom of ring is bonded directly to a P atom or is bonded indirectly to a P atom other than through a ring atom of the five-membered ring (9/6518E) |
| | 75 | Exactly two Ns as only hetero atom in ring (9/645) |
| | 76 | Six-membered ring containing two N and four C atoms (9/6509; 9/6509B2; 9/6509B2E; 9/6509B2G; 9/6509B2K; 9/6509B2R) |
| | 77 | N in 1 and 3 ring positions (9/6512; 9/6512E; 9/6512G; 9/6512R) |
| | 78 |  Ring is condensed or bridged to a carbocyclic ring system (9/6512V) |
| | 79 | C atom of ring is directly bonded to a P atom (9/6512K; 9/6512K4) |
| | 80 | C atom of ring is bonded directly to a hetero atom other than N and which hetero atom is bonded directly to a P atom (9/6512K2) |
| | 81 | N in 1 and 4 ring positions (9/6509B4; 9/6509B4G; 9/6509B4K; 9/6509B4R; 9/6509B4V) |
| | 82 | N atom of ring is bonded directly to a P atom or is indirectly bonded to a P atom other than through a ring atom of the six-membered ring (9/6509B4E) |
| | 83 | N in 1 and 2 ring positions and wherein the ring is condensed or bridged to a carbocyclic ring system (9/6509B2V) |
| | 84 | Five-membered ring containing two Ns (9/6503; 9/6503B2; 9/6503B2G; 9/6503B2K; 9/6503B2R) |
| | 85 | N in 1 and 3 ring positions (9/6506; 9/6506G; 9/6506K; 9/6506R) |
| | 86 | Five-membered ring is condensed or bridged to a carbocyclic ring system (9/6506V) |
| | 87 | N atom of ring is bonded directly to a P atom or is indirectly bonded to a P atom other than through a ring atom of the five-membered ring (9/6506E) |
| | 88 | N in 1 and 2 ring positions and wherein the ring is condensed or bridged to a carbocyclic ring system (9/6503B2V) |
| | 89 | At least one N in 1 and 2 ring positions is bonded directly or indirectly to a P atom (9/6503B2E) |
| | 90 | Single N as only hetero atom in ring (9/553; 9/568) |
| | 91 | Seven or more atoms in ring containing the single N atom (9/553A7) |
| | 92 | Six atoms in ring containing the single N atom (9/576) |
| | 93 | Acridine or hydrogenated acridine ring (9/64) |
| | 94 | Isoquinoline or hydrogenated isoquinoline ring (9/62) |
| | 95 | Quinoline or hydrogenated quinoline ring (9/60) |
| | 96 | Hydrogenated pyridine ring (9/59; 9/59G; 9/59K; 9/59K2; 9/59K4; 9/59R) |
| | 97 | Ring is condensed or bridged to a carbocyclic ring system (9/576V) |
| | 98 | N of ring is bonded directly to a P atom or is indirectly bonded to a P atom other than through a ring atom of the hydrogenated pyridine ring (9/59E) |
| | 99 | Pyridine ring (9/58; 9/58G; 9/58R) |
| | 100 | C atom of ring is bonded directly to a P atom (9/58K; 9/58K4) |
| | 101 | C atom of ring is bonded directly to a hetero atom other than N and which hetero atom is bonded directly to a P atom (9/58K2) |
| | 102 | N atom of ring is bonded directly to a P atom or indirectly to a P atom other than through a ring atom of the pyridine ring (9/58E) |
| | 103 | Five-membered ring containing a single N atom (9/572; 9/572G; 9/572K; 9/572K2; 9/572K4; 9/572R) |
| | 104 | Ring is condensed or bridged to a carbocyclic ring system (9/572V) |
| | 105 | N atom of ring is bonded directly to a P atom or indirectly to a P atom other than through a ring atom of the five-membered ring (9/572E) |
| | 106 | Four-membered ring containing a single N atom is condensed or bridged to a carbocyclic ring system (9/568V) |
| | 107 | N atom of four-membered ring containing a single N atom is bonded directly to a P atom or indirectly to a P atom other than through a ring atom of the four-membered ring (9/568E) |
| | 108 | Three-membered ring containing a single N atom (9/564) |
| | 109 | Quaternary compounds containing the structure (C)a-P-(Z)b where a+b=4, a=1-3, b=1-3, and Z is an atom other than C or H (9/54K) |
| | 110 | Quaternary phosphonium compounds (C)a-P-(H)b wherein a+b=4, a=1-4, b=1-3, (9/54; 9/54A1; 9/54A1+W; 9/54A1+W2) |
| | 111 | Contains the structure aryl-(C)n-P where n is at least one (9/54A7) |
| | 112 | Contains two or more phosphonium P atoms (9/54A6) |
| | 113 | Contains the structure (aryl group*)-P where * indicates a direct bond between a carbon of the aryl ring and the P atom (9/54A4) |
| | 114 | Contains the structure "carbocyclic ring"-P where "--" indicates that a ring carbon of the carbocyclic ring may or may not be bonded directly to the P atom (9/54A3) |
| | 115 | Contains the structure "ethylenic group"-P where "--" indicates that a carbon of the ethylenic group may or may not be bonded directly to the P atom (9/54A2) |
| | 116 | Contains at least one (C)-P bond (9/28) |
| | 117 | Pentavalent P compound containing a P(=N) bond and wherein the P atom is bonded directly to three carbon atoms (9/535D; 9/535D2) |
| | 118 | Pentavalent P compound containing a P(=C) bond and wherein the P atom is not bonded directly to chalcogen (9/535B) |
| | 119 | Pentavalent P compound containing at least one bond to carbon and wherein the other four valences are bonded directly to four separate atoms, none of which are chalcogen (9/535) |
| | 121 | Pentavalent P compound having the structure (C)-P(=X)(C or H)(C or H) where X is chalcogen (9/53) |
| | 123 | Compound having two or more (C)-P(=X) groups or at least one (X=)-P-(C)-P(=X) group (9/53A6) |
| | 124 | Compound contains a ring composed solely of carbon atoms or contains an ethylenic group (9/53A3; 9/53A4) |
| | 125 | Compound contains a nitrogen or halogen atom or contains a chalcogen atom other than bonded to the P atom (9/53A1; 9/53A2) |
| | 126 | Trivalent compounds having the structure (Hal)-P-(C)(C or H), or (Hal)-2-P(C), or pentavalent compounds having the structure (Hal)-P(=X)(C) (C or H) or (Hal)2-P(=X)(C) where X is chalcogen (9/52) |
| | 127 | Trivalent P compound having the structure (C or H)(C)-P-P-(C)(C or H) (9/50P) |
| | 128 | Trivalent P compound containing a metal atom and having the structure (C)-P(C or H or Metal) (C or H or Metal) (9/50Y; 9/50Z; 9/50Z2; 9/50Z4; 9/50Z6; 9/50Z8) |
| | 129 | Trivalent P compound having the structure (C)-P-(C or H)(C or H) (9/50) |
| | 130 | Contains the structure (X=C*)-P or (cyano*) where X is chalcogen, and where * indicates a direct bond of the C of the C=X group or of the C of the cyano group to the P atom (9/50A9) |
| | 131 | At least one of the carbon atoms bonded to the P is not part of an aryl ring and is bonded directly to an aryl ring, or is bonded to an aryl ring through a chain of carbon atoms only (9/50A7) |
| | 132 | Compound has two or more (C)-P(C or H)(C or H) groups or at least one (C or H)-P-(C)-P-(C or H) group (9/50A6) |
| | 133 | Contains ring solely composed of carbon atoms or at least one ethylenic group (9/50A2; 9/50A3; 9/50A4) |
| | 134 | Contains an atom other than C, P, or H (9/50A1) |
| | 135 | Trivalent P compound having the structure (C)-P-(N) or (C)-P(Hal) (9/48F; 9/48H) |
| | 136 | Trivalent P having the structure (C)2-P(XH or X-Salt) or pentavalent P having the structure (C)2-P(=X) (XH or X-Salt) where X is chalcogen (9/46) |
| | 137 | Trivalent P having the structure (C)-P-(XH or X-Salt) (XH or X-Salt or H) or pentavalent P having the structure (C)-P(=X) (XH or X-Salt) (XH or X-Salt or H) where X is chalcogen (9/48) |
| | 138 | Contains ring solely composed of carbon atoms or contains an ethylenic group (9/48A2; 9/48A3; 9/48A4) |
| | 139 | Contains two or more P atoms or contains an atom other than C, H, or the required chalcogen atom (9/48A1; 9/48A6) |
| | 140 | Pentavalent P having the structure (C)-P(=X) (X) (N) or (C)-P(=X) (N)2 where X is chalcogen (9/44; 9/44A; 9/44A1; 9/44A6; 9/44A9; 9/44B; 9/44B1; 9/44B9) |
| | 143 | Compound contains a ring composed solely of carbon atoms or contains an ethylenic group (9/44A2; 9/44A3; 9/44A4; 9/44A7; 9/44B2; 9/44B3; 9/44B4; 9/44B7) |
| | 144 | Pentavalent P having the structure (C)-P(=X) (X) (Hal) (X) or (C)-P(=X) (Hal)2 wherein X is chalcogen (9/42) |
| | 145 | Contains the structure (C)-P(=X) (X*Y) (Hal) where Y is carbon or hydrogen and * indicates a direct bond to the adjacent X atom (9/42H) |
| | 146 | Pentavalent P having the structure (C)-P(=X) (X) (X) where X is chalcogen (9/38) |
| | 147 | Pentavalent P having the structure (C)-P(=X) (X) (X-*C) and * indicates a direct bond to the adjacent X atom (9/40) |
| | 149 | Contains the structure (C)-P(=X) (X) (X-aryl) (9/40C4) |
| | 151 | Contains the structure (C)-P(=X) (X) (X-carbocyclic ring) (9/40C3) |
| | 152 | Contains the structure (C)-P(=X) (X) (X-ethylenic group) (9/40C2) |
| | 154 | Contains the structure aryl-(C)n-P(=X) (X) (X-C) where n is at least one (9/40A7; 9/40A7+P) |
| | 155 | Contains two or more (C)-P(=X) (X) (X-C) groups at least one (C-X) (X) (X=)-P-(C)-P(=X) (X) (X-C) group (9/40A6; 9/40A6+J; 9/40A6+U) |
| | 156 | Contains the structure (aryl*)-P(=X) (X) (X-C), * indicates a direct bond between a carbon of the aryl ring, and the P atom (9/40A4) |
| | 157 | Contains the structure "carbocyclic ring" -P(=X) (X) (X-C) where "--" indicates that a ring carbon of the carbocyclic ring may or may not be directly bonded to the P atom (9/40A3) |
| | 158 | Contains the structure "ethylenic group"-P(=X) (X) (X-C) where "--" indicates that a C of the ethylenic group may or may not be bonded directly to the P atom (9/40A2) |
| | 159 | Contains the structure (C)-P(=X) (X) (X-C-Q) where Q is a moiety containing an atom other than C or H (9/40C; 9/40C1) |
| | 160 | Contains the structure Q-(C)-P(=X) (X) (X-C) where Q is a moiety containing an atom other than C or H (9/40A; 9/40A1; 9/40A1+U9; 9/40B) |
| | 161 | Contains the structure (X=C)-P(=X) (X) (X) or (cyano*)-P(=X) (X) (X) where * indicates a direct bond of the C of the C=X group or of the C atom of the cyano group to the P atom (9/38A9) |
| | 162 | Contains the structure aryl-(C)n-P(=X)(X) (X) where n is at least one (9/38A7) |
| | 163 | Contains two or more P atoms (9/38B) |
| | 164 | Two or more (C)-P(=) (X) (X) (X) or at least one (X) (X) (X=)-P-(C)-P-(=X) (X) (X) group (9/38A6; 9/30A6+J; 9/38A6+U) |
| | 165 | Contains the structure (aryl group*)-P(=X) (X) (X) where * indicates a direct bond of one of the carbon atoms of the aryl group to the P atom (9/38A4) |
| | 166 | Contains the structure "carbocyclic ring"-P-(=X) (X) (X) where "--" indicates that a ring carbon of the carbocyclic ring may or may not be directly bonded to the P atom (9/38A3) |
| | 167 | Contains the structure "ethylenic group"-P(=X) (X) (X) where "--" indicates that a carbon atom of the ethylenic group may or may not be directly bonded to the P atom (9/38A2) |
| | 168 | Contains the structure Q-(C)-P(=X) (X) (X) where Q is a moiety containing an atom other than C or H (9/38A1; 9/38A1+U6; 9/38A1+U9) |
| | 169 | Pentavalent P having the structure (C)2-P(=X) (N) where X is chalcogen (9/36) |
| | 170 | Pentavalent P having the structure (C)2-P(=X)(Hal) where X is chalcogen (9/34) |
| | 171 | Pentavalent P having the structure (C)2-P(=X) (X-C) where X is chalcogen (9/32) |
| | 172 | Contains the structure (C)2-P-(X) (X-*acyl), (C)2-P(=X) (X-*Z) or (C)2-P(=X) (X-*cyano) where Z is an atom other than C or H and * indicates a direct bond to the adjacent X atom (9/32C9) |
| | 173 | Contains the structure (C)2-P(=X) (X-carbocyclic ring) (9/32C3; 9/32C4; 9/32C7) |
| | 174 | Contains the structure (C)2-P(=X) (X-ethylenic group) (9/32C2) |
| | 175 | Contains the structure (X=C*)-P(=X) (C) (X-C) or cyano*)-P-(=X)(C)(X-C) where * indicates a direct bond of the C of the C=X group or the C atom of the cyano group to the P atom (9/32A9; 9/32A9+Q) |
| | 176 | Contains two or more (C)-P(=X) (C) (X-C) groups or at least one (X-C) (C) (X=)P-(C)-P(=X) (C) (X-C) group (9/32A6) |
| | 177 | Contains the structure "carbocyclic ring"-P(=X) (C) (X-C) where "--" indicates that a ring carbon of the carbocyclic ring may or may not be directly bonded to the P atom (9/32A3; 9/32A4; 9/32A7) |
| | 178 | Contains the structure "ethylenic group"-P(=X) (C) (X-C) where "--" indicates that a carbon atom of the ethylenic group may or may not be bonded directly to the P atom (9/32A2) |
| | 179 | Contains the structure (C)-P(=X) (C) (X-C-Q) where Q is a moiety containing an atom other than C or H (9/32C; 9/32C1) |
| | 180 | Contains the structure Q-(C)-P(=X) (C) (X-C) where Q is a moiety containing an atom other than C or H (9/32A; 9/32A1) |
| | 181 | Pentavalent P having the structure (C)2-P(=X) (X-B) where X is chalcogen and B represents an atom other than C (9/30; 9/30B) |
| | 182 | Contains the structure (X=C*)-P(=X) (C) (X-B) or (cyano*)-P(=X) (C) (X-B) where * indicates a bond of the C of the C=X group or of the C of the cyano group directly to the P atom (9/30A9) |
| | 183 | Contains two or more (C)-P(=X) (C) (X-B) groups or at least one (B-X) (C) (X=)-P-(C)-P-(=X) (C) (X-B) group (9/30A6) |
| | 184 | Contains the structure "carbocylic group"-P(=X) (C) (X-B) where "--" indicates that a ring carbon of the carbocyclic ring may or may not be directly bonded to the P atom (9/30A3; 9/30A4; 9/30A7) |
| | 185 | Contains the structure "ethylenic group"-P(=X) (C) (X-B) where "--" indicates that a carbon atom of the ethylenic group may or may not be directly bonded to the P atom (9/30A2) |
| | 186 | Contains a Q-(C)-P(=X) (C) (X-B) group wherein Q is a moiety containing an atom other than C or H (9/30A1; 9/30A1+U6) |
| | 187 | Phosphorus directly bonded to N, i.e., P(N) (9/22; 9/22A) |
| | 188 | P(=N) group containing (9/06B; 9/06B2; 9/06B2D) |
| | 189 | (Hal)-P-(N) group containing (9/26) |
| | 190 | P(N) (N) (N) group containing (9/22C) |
| | 191 | P-(N=C=X) where X is chalcogen or P(-N-N) (9/22D; 9/22E) |
| | 194 | Contains the structure (N)-P-(X-C) wherein X is chalcogen atom, i.e., estramides (9/24) |
| | 195 | (C-X)-P-(N-carbocyclic ring) (9/24C3; 9/24C4; 9/24C7) |
| | 196 | (C-X)-P-(N-ethylenic group) (9/24C2) |
| | 197 | Aryl ring-(X)-P-(N) (9/24A4) |
| | 199 | Carbocyclic ring-(X)-P-(N) (9/24A3) |
| | 200 | Ethylenic group-(X)-P-(N) (9/24A2) |
| | 201 | C-(X)-P-(N)-C-Q wherein Q contains an atom other than C or H (9/24C; 9/24C1) |
| | 202 | Q-C-(X)-P-(N) or compound contains two or more P atoms and wherein Q contains an atom other than C or H (9/24A; 9/24A1; 9/24A6) |
| | 203 | Pentavalent P containing the structure (Hal)-P(X-C) wherein X is a chalcogen atom (9/14) |
| | 204 | S, Se, or Te is bonded directly to the P atom (9/20; 9/20B2; 9/20B4) |
| | 205 | Containing the structure (Hal)-P-(O-ethylenic) or (Hal)-P-(O-aryl) (9/14B2; 9/14B4) |
| | 206 | Trivalent P containing the structure (Hal)-P-(X-C) wherein X is a chalcogen atom (9/146; 9/206) |
| | 210 | Two or more P atoms (9/165A6; 9/165B) |
| | 212 | Containing the structure P-(X-aryl ring) (9/18) |
| | 213 | Containing the structure P-(X)-[C]n-Aryl wherein n is at least one and the aryl ring is bonded to the X atom by a chain of only acyclic carbon atoms (9/165A7) |
| | 214 | Containing the structure P-(X-carbocyclic ring) (9/177) |
| | 215 | Containing the structure P-(X-ethylenic group) (9/173) |
| | 217 | P is trivalent and contains the structure P-(O-C) or P-(O-Z) where Z is an atom other than H (9/141; 9/141A1) |
| | 219 | Containing the structure P-(O-carbocyclic ring) (9/145) |
| | 220 | Ring is other than aryl (9/144) |
| | 221 | Contains the structure P-(O)-[C]n-aryl wherein n is at least one and the aryl ring is bonded to the O atom through a chain of only carbon atoms (9/141A7) |
| | 222 | Containing the structure P-(O-ethylenic group) (9/143) |
| | 224 | P is pentavalent and contains the structure P-(O-C) or P-(O-Z) where Z indicates an atom other than H (9/09; 9/09A1) |
| | 225 | Containing the structure P-(O-*acyl), P-(O-*Z) wherein Z is an atom other than C or H, or P-(O*cyano) where * indicates a direct bond to the adjacent oxygen atom (9/09A9; 9/09A9+Q; 9/09A9+U) |
| | 226 | Contains two or more P atoms (9/09B) |
| | 228 | Containing the structure P-(O-carbocyclic ring) (9/12) |
| | 229 | Ring is other than aryl (9/117) |
| | 230 | Contains the structure P-(O)-[C]n-aryl wherein n is at least one and the aryl ring is bonded to the O atom through a chain of only carbon atoms (9/09A7) |
| | 231 | Containing the structure P-(O-ethylenic group) (9/113) |
| | 300 | COMPOUND CONTAINS BOTH A PHOSPHORUS AND A METAL ATOM (9/02A) |
| | 301 | Compound contains at least one atom of Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, W, Mn, Tc, or Re (9/02E) |
| | 302 | Compound contains at least one atom of Al, Ga, In, Tl, Ge, Sn, or Pb (9/02D) |
| | 303 | Compound contains at least one atom of Cu, Zn, Ag, Cd, Au, or Hg (9/02C) |
| | 304 | Compound contains at least one atom of Fe, Co, Ni, Ru, Rh, Pd, Os, Ir, or Pt (9/02B) |
| | 350 | PHOSPHORUS CONTAINING AT LEAST ONE NITROGEN ATOM AS SOLE HETERO ATOM (9/65) |
| | 351 | Ring contains at least four nitrogen atoms (9/65D; 9/65D1; 9/65D2; 9/65D3; 9/65D3B) |
| | 352 | Ring contains three nitrogen atoms (9/65C) |
| | 353 | Six-membered ring contains the three N atoms (9/65C6; 9/65C6E; 9/65C6G; 9/65C6K; 9/65C6Q; 9/65C6R; 9/65C6V) |
| | 354 | Five-membered ring contains the three N atoms (9/65C5; 9/65C5E; 9/65C5G; 9/65C5K; 9/65C5R; 9/65C5V) |
| | 355 | Ring contains two N atoms (9/65B) |
| | 356 | Six-membered ring (9/65B6) |
| | 357 | N in 1 and 4 positions (9/65B64; 9/65B64E; 9/65B64K; 9/65B4V) |
| | 358 | N in 1 and 3 positions (9/65B63; 9/65B63E; 9/65B63G; 9/65B63J; 9/65B63K; 9/65B63K2; 9/65B63K4; 9/65B63M; 9/65B63R; 9/65B63V) |
| | 359 | N in 1 and 2 positions (9/65B62; 9/65B62E; 9/65B62J; 9/65B62K; 9/65B62M; 9/65B62V) |
| | 360 | Five-membered ring (9/65B5) |
| | 363 | Ring contains a single N atom (9/65A) |
| | 364 | (O=)C-N-C(=O) group where C-N-C is part of the ring (9/65A9) |
| | 365 | Ring contains at least seven ring atoms (9/65A7) |
| | 366 | Six-membered ring (9/65A6; 9/65A6E; 9/65A6G; 9/65A6J; 9/65A6K; 9/65A6K2; 9/65A6K4; 9/65A6M; 9/65A6R; 9/65A6V) |
| | 367 | Five-membered ring (9/65A5; 9/65A5E; 9/65A5G; 9/65A5J; 9/65A5K; 9/65A5K2; 9/65A5K4; 9/65A5M; 9/65A5R; 9/65A5V) |
| | 368 | Four-membered ring (9/65A4; 9/65A4E; 9/65A4V) |
| FOREIGN ART COLLECTIONS | ||
| FOR000 | CLASS-RELATED FOREIGN DOCUMENTS |