Claims
- 1. A compound of the formula: ##STR14## and the pharmaceutically acceptable salts thereof, wherein R.sup.1 is --OSO.sub.2 Ar, where Ar is phenyl or alkyl-substituted phenyl, wherein the alkyl group has 1-to-6 carbon atoms: R.sup.2 is H or alkanoyl of 1-to-8 carbon atoms or benzoyl: R.sup.3 is A or B. wherein A is ##STR15## and B is ##STR16## where R.sup.6 and R.sup.7 are independently selected from H and ##STR17## wherein R.sup.8 and R.sup.9 are independently selected from pharmaceutically-acceptable cations and H, or R.sup.6 and R.sup.7 taken together are: ##STR18## where R.sup.10 is selected from pharmaceutically-acceptable cations and H.
Parent Case Info
This application is a continuation of application Ser. No. 07/040,698, filed Apr. 20, 1987, which is a continuation of application Ser. No. 06/793,080, filed Oct. 31, 1985, which, in turn, is a continuation of application Ser. No. 06/538,019, filed Sept. 30, 1983, all now abandoned.
US Referenced Citations (12)
Foreign Referenced Citations (3)
Number |
Date |
Country |
72027 |
Feb 1983 |
EPX |
74306 |
Mar 1983 |
EPX |
0085424 |
Aug 1983 |
EPX |
Non-Patent Literature Citations (1)
Entry |
Steven S. Good and Paulo de Miranda; Metabolic Disposition in Rats of a Potential Prodrug of Acyclovir; Apr. 23, 1982; p. 1733, Biotransformation II. |
Continuations (3)
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Number |
Date |
Country |
Parent |
40698 |
Apr 1987 |
|
Parent |
793080 |
Oct 1985 |
|
Parent |
538019 |
Sep 1983 |
|