Steve Whitelock;Deborah Phyllis Harding;Carl David Turner
发明人:
Steve Whitelock,Deborah Phyllis Harding,Carl David Turner
申请号:
US13133472
公开号:
US20120010231A1
申请日:
2009.12.04
申请国别(地区):
US
年份:
2012
代理人:
摘要:
The present invention provides a process for the preparation of a compound of formula (VI), or a salt or derivative thereof, wherein R1 and R2 are independently C1-8 alkyl and * represents a stereocentre.