Crystalline pivaloyloxymethyl d(-)-.alpha.-aminobenzylpenicillinate
US3956279A · kind A · utility
2Cited by
2References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 21, 1973 |
| Grant date | May 11, 1976 |
| Priority date | — |
| Expiry date | Sep 21, 1993 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D499/00
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to pivaloyloxymethyl D(-)-.alpha.-aminobenzylpenicillinate of the formula I in a novel and improved form, i.e. the crystalline form ##SPC1## To methods of producing said crystalline pivaloyloxymethyl D(-)-.alpha.-aminobenzylpenicillinate and to pharmaceutical preparations containing said crystalline pivaloyloxymethyl D(-)-.alpha.-aminobenzylpenicillinate. Crystalline pivaloyloxymethyl D(-)-.alpha.-aminobenzylpenicillinate has no bitter taste, is only slightly soluble in water, and is stable and readily absorbable.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.