Mixed anhydrides of carbamic and hydroxamic acids

Details Mixed anhydrides of carbamic and hydroxamic acids Mixed anhydrides of carbamic and hydroxamic acids

1984-03-14

1987-01-20

Trousof, Natalie

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

544162, 544335, 544388, 546312, 546329, 548196, 548558, 548567, 549 71, 549486, 558393, 558401, 558413, 558417, 562442, 562565, 430179, 430617, C07C 8310, C07C12500

Patent

active

046379029

ABSTRACT:
A base precursor represented by the following general formula (A) or (B): ##STR1## wherein A.sub.1, A.sub.2, A.sub.5, A.sub.6, A.sub.7, and A.sub.8 each represents a hydrogen atom, an alkyl group, a substituted alkyl group, a cycloalkyl group, an alkenyl group, an aralkyl group, an aryl group, a substituted aryl group, an acyl group, or a heterocyclic group, and A.sub.1 and A.sub.2 can combine to form a ring and two of A.sub.5, A.sub.6, A.sub.7, and A.sub.8 can combine to form a ring, A.sub.3 and A.sub.4 each represents a hydrogen atom, an alkyl group, a substituted alkyl group, a cycloalkyl group, or an aralkyl group, and A.sub.3 and A.sub.4 can combine to form a ring or A.sub.3 and A.sub.4 can be a double bond forming an imino group from ##STR2## and X represents a nucleophilic group.

REFERENCES:
Zoerkendoerfer, E. Z. Naturforsch. B. Anorg. Chem. Org. Chem., (1977), 32B(11), 1304-7.

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