Inventors:
Victor E. Marquez - Bethesda MD
John S. Driscoll - Rockville MD
Ronald J. Wysocki - Potomac MD
Maqbool A. Siddiqui - Gaithersburg MD
Assignee:
The United States of America as represented by the Department of Health
and Human Services - Washington DC
International Classification:
C07G 300
Abstract:
A compound has the formula ##STR1## wherein R is selected from the group consisting of (C. sub. 7 -C. sub. 20)aroyl, (C. sub. 6 -C. sub. 20)aryl, aralkyl and alkylaryl, and (C. sub. 1 -C. sub. 10)alkyl-di(C. sub. 6 -C. sub. 20)aryl Si, R' is selected from the group consisting of (C. sub. 1 -C. sub. 10)alkyl, (C. sub. 7 -C. sub. 20)aroyl and (C. sub. 2 -C. sub. 12)acyl, all of which may be further substituted with O, S, N or alkyl, and R'" is selected from the group consisting of halogen, (C. sub. 1 -C. sub. 10)alkoxy, (C. sub. 1 -C. sub. 10)acyloxy, O-methane-sulfonyl and O-p-toluenesulfonyl. A composition of matter comprises 0. 001 to 99. 999 wt % of the above compound.