US PATENT SUBCLASS 987 / 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)

Current as of: June, 1999
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987 /   HD   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

30  DF  PHOSPHORUS COMPOUNDS (9/02; 9/06) {15}
116  DF  .~ Contains at least one (C)-P bond (9/28) {19}
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) {3}
141  DF  .~.~.~> Contains the structure (C)-P(=X) (X) (N-*acyl), (C)-P(=X) (X) (N-*Z) or (C)-P(=X) (X) (N-*cyano) where Z is an atom other than C or H and * indicates a direct bond to the adjacent N atom (9/44C9; 9/44C9+Q; 9/449+U)
142  DF  .~.~.~> Contains the structure (C)-P(=X) (X) (N-Q) where Q is a radical containing an atom other than C or H, or contains a ring composed solely of carbon atoms or contains an ethylenic group (9/44C; 9/44C1; 9/44C2; 9/44C3; 9/44C4; 9/44C7)
143  DF  .~.~.~> 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)

DEFINITION

Classification: 987/140

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):

(under subclass 116) Subject matter wherein the P atom is pentavalent and the compound contains the structure (C)-P(=X)(X)(N) or (C)-P(=X)(N)2 and wherein X is chalcogen.