3-hydroxy .gamma.-lactone based enantionselective synthesis of azetidinones
US5739321A · kind A · utility
43Cited by
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2Claims
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Key dates
| Filing date | May 31, 1996 |
| Grant date | Apr 14, 1998 |
| Priority date | — |
| Expiry date | May 31, 2016 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P3/06
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention relates to a process for producing the compound of the formula ##STR1## which comprises reacting lactone of formula II ##STR2## with an imine of formula III': ##STR3## and converting the resulting chiral diol of formula VI: ##STR4## through several steps to obtain a compound of formula I'.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.