95910-00-2Relevant articles and documents
Orally absorbable cephalosporin antibiotics. 3. Preparation of biologically active R isomer of 7-(3-benzothienylglycylamido)deacetoxycephalosporanic acid
Kukolja,Pfeil,Draheim,Ott
, p. 1903 - 1906 (2007/10/02)
The methyl and isopropyl esters of (RS)-3-benzothienylglycine were resolved with (+)- and (-)-tartaric acid in acetonitrile to give the corresponding R and S salts. The R-salt was hydrolyzed to (R)-3-benzothienylglycine (5). The amino group in 5 was prote