C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 498/14 (2006.01) A61K 31/4985 (2006.01) A61K 31/5383 (2006.01) C07D 471/22 (2006.01)
Patent
CA 2744019
A synthesis approach providing an early ring attachment via a bromination to compound 1-1 yielding compound II-I1, whereby a final product such as AA can be synthesized. In particular, the 2,4-difluorophenyl-containing sidechain is attached before creation of the additional ring Q.
La présente invention concerne une approche de synthèse permettant un attachement précoce au cycle via une bromuration sur le composé 1-1 pour former le composé I-II, permettant ainsi de synthétiser un produit final tel que AA. En particulier, la chaîne latérale contenant du 2,4-difluorophényle peut être attachée avant la création du cycle Q supplémentaire.
Johns Brian Alvin
Kawasuji Takashi
Nagamatsu Daiki
Taoda Yoshiyuki
Yoshida Hiroshi
Glaxosmithkline Llc
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
Shionogi & Co. Ltd.
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