Phosphine oxide-substituted pyridazine and pyrazine

Details Phosphine oxide-substituted pyridazine and pyrazine Phosphine oxide-substituted pyridazine and pyrazine

1980-05-27

1982-05-18

Coughlan, Jr., Paul M.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

544232, 544337, C07F 965

Patent

active

043304613

ABSTRACT:
Phosphine oxide of the formula selected from the group consisting of ##STR1## wherein X is H, alkylthio of 1-4 carbon atoms, or ##STR2## Y is H, alkyl of 1-4 carbon atoms, Cl, Br, or ##STR3## Z is H, alkyl of 1-4 carbon atoms, or ##STR4## at least one of X, Y, and Z in the formula in which all three symbols appear is ##STR5## Q is H or Br; each of A and A' is selected independently from H and alkyl of 1-4 carbon atoms, or A and A' taken jointly is CH.dbd.CH--CH.dbd.CH;

REFERENCES:
patent: 4223071 (1980-09-01), Boyer et al.

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