PONNAIAH, RAVI,SRIBHASHYAM, RAVI KANTH,MECHERILL VALSAN, NANDKUMAR,DONGARI, NARESH,CHLNV, PRASAD,BATTHINI, GURUSWAMY
申请号:
EP11819525
公开号:
EP2609120A4
申请日:
2011.08.23
申请国别(地区):
EP
年份:
2013
代理人:
摘要:
A novel process for the preparation of 6-perdeoxy-6-per-halo Gamma cyclodextrin which is a useful intermediate in the synthesis of Sugammadex is disclosed in the invention. The process involves reacting Gamma cyclodextrin with phosphorous halide in the presence of organic solvent.