## Abstract For Abstract see ChemInform Abstract in Full Text.
Phosphonium salts immobilized on silica gel: Phase-transfer catalysts in two phase systems and micellar Catalysts in water
โ Scribed by Pietro Tundo; Paolo Venturello
- Publisher
- Elsevier Science
- Year
- 1980
- Tongue
- English
- Weight
- 185 KB
- Volume
- 40
- Category
- Article
- ISSN
- 0020-1693
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## Abstract For Abstract see ChemInform Abstract in Full Text.
Yields of kinetically controlled synthesis of antibiotics catalyzed by penicillin G acylase from Escherichia coli (PGA) have been greatly increased by con- tinuous extraction of water soluble products (cephalexin) away from the surroundings of the enzyme. In this way its very rapid enzymatic hydroly