| 摘要 |
PCT No. PCT/EP94/02544 Sec. 371 Date May 13, 1996 Sec. 102(e) Date May 13, 1996 PCT Filed Jul. 29, 1994 PCT Pub. No. WO95/04149 PCT Pub. Date Feb. 9, 1995An overall efficient process for the preparation and recovery of 7-aminodesacetoxycephalosporanic acid (7-ADCA) via 3-(carboxyethylthio)propionyl-7-ADCA, using a Penicillium chrysogenum transformant strain expressing expandase in conjunction with acyltransferase, is provided. |
