Abele, Stefan,Funel, Jacques-Alexis,Schindelholz, Ivan
申请号:
NZ72427315
公开号:
NZ724273A
申请日:
2015.02.13
申请国别(地区):
NZ
年份:
2020
代理人:
摘要:
The invention relates to a process for manufacturing the compound of formula I wherein R is H, or a salt thereof, said process comprising the reaction of the compound of formula I-1 wherein X is Br, Cl or F, or a salt thereof, with the compound of formula I-2 wherein R is H, or a salt thereof, in the presence of a base, and, when X is Br or Cl, in the presence of tetra-n-butyl ammonium fluoride hydrate or cesium fluoride with higher purity and yield. The invention further relates to the compound of formula I-1 and uses thereof.