Derivatives of A-30912A nucleus
US4293489A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Aug 25, 1980 |
| Grant date | Oct 6, 1981 |
| Priority date | — |
| Expiry date | Aug 25, 2000 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC12R2001/62
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Compounds of the formula ##STR1## wherein R.sup.1 is a group of the formula: ##STR2## wherein A is divalent oxygen, sulfur, sulfinyl, or sulfonyl; A.sup.1 is divalent oxygen, sulfur, sulfinyl, sulfonyl or --NH--; X is hydrogen, chloro, bromo, iodo, nitro, C.sub.1 --C.sub.3 alkyl, hydroxy, C.sub.1 -C.sub.3 alkoxy, mercapto, C.sub.1 -C.sub.3 alkylthio, carbamyl or C.sub.1 -C.sub.3 alkylcarbamyl; X.sup.1 is chloro, bromo or iodo; R.sup.2 is hydrogen, C.sub.1 -C.sub.18 alkyl or C.sub.2 -C.sub.18 alkenyl; W is C.sub.1 -C.sub.10 alkylene or C.sub.2 -C.sub.10 alkenylene; m, n and p are 0 or 1, but if m=0, n must=0; provided: that the sum of the carbon atoms in the R.sup.2 and W groups must be greater than 4 but cannot exceed 21; that when X is mercapto. A and A.sup.1 cannot be sulfinyl or sulfonyl; and that when A and A.sup.1 are sulfinyl or sulfonyl, they must be in equal oxidation states.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.