## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a βFull Textβ option. The original article is trackable v
Preparation of crystallinep-nitrobenzyl 2-hydroxymethyl carbapenem as a key intermediate for the anti-MRS carbapenem L-786,392
β Scribed by Nobuyoshi Yasuda; Chunhua Yang; Kenneth M. Wells; Mark S. Jensen; David L. Hughes
- Book ID
- 104260421
- Publisher
- Elsevier Science
- Year
- 1999
- Tongue
- French
- Weight
- 274 KB
- Volume
- 40
- Category
- Article
- ISSN
- 0040-4039
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β¦ Synopsis
Crystalline p-nitrobenzyl esters of 2-hydroxymethyl carbapenem derivatives were prepared in one pot from the corresponding diazo compounds and Bu3SnCH2OH. The TES protected 2-hydroxymethyl carbapenem was successfully converted to an anti-MRS carbapenem L-786,392.
π SIMILAR VOLUMES
A short stereoselective synthesis of the acetoxy azetidinone (1), an important precursor of several biologically active β€-lactam antibiotics, has been accomplished in seven steps and 32.8% overall yield from the easily available and inexpensive (R) ethyl 3-hydroxybutanoate.