Synthesis of 2-hydroxy-N,N-dimethyl-3-[[2-[1(R)-(5-methyl-2-furanyl)propyl]amino]-3,4-dioxo-1-cyclobuten-1-l]aminobenzamide
申请人:Schering Corporation
公开号:US20040209946A1
公开(公告)日:2004-10-21
Disclosed is a process for making the compound of formula I:
1
using the compounds of formulas II, Q, and XI or XII:
2
wherein A is selected from the group consisting of Br, Cl and I (with Br being preferred); and R represents (C
1
-C
10
)alkyl. Also disclosed are intermediate compounds that are made in the disclosed process.