Claims
- 1. A compound of the formula ##STR40## wherein A is an oxygen or sulfur atom; and B is a straight chain alkylene group of 3 to 8 carbon atoms or ##STR41## wherein the methylene group is bonded to A, and R is hydrogen, halogen, lower alkyl or lower alkoxy; with the proviso that when A is sulfur, B is ##STR42## wherein the methylene group is bonded to A.
Parent Case Info
This application is a division of Ser. No. 07/248,586 filed Sept. 26, 1988, now U.S. Pat. No. 4,968,710, which is a continuation-in-part of Ser. No. 07/120,468 filed Nov. 13, 1987, abandoned.
US Referenced Citations (6)
Foreign Referenced Citations (6)
Number |
Date |
Country |
2564867 |
Feb 1967 |
AUX |
0132367 |
Jan 1967 |
EPX |
0181568 |
May 1986 |
EPX |
0218782 |
Apr 1987 |
EPX |
0235575 |
Sep 1987 |
EPX |
2143817A |
Feb 1985 |
GBX |
Non-Patent Literature Citations (2)
Entry |
Abstracts for Japanese Application 85-039,262B (Toshiba Pharm KK, published Sep. 5, 1985). |
Derwent Abstract 05315B/03, Japanese Unexamined Application (Kokai) J53-141,234 (Toshiba Pharm KK, published Dec. 8, 1978). |
Divisions (1)
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Number |
Date |
Country |
Parent |
248586 |
Sep 1988 |
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Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
120468 |
Nov 1987 |
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