A new facile method for the synthesis of 1-arylimidazole-5-carboxylates
摘要:
A new facile method for the preparation of 1-arylimidazole-5-carboxylates was developed. The new method involved reaction of anilines and ethyl glyoxylate in methanol to give alpha-anilino-alpha-methoxyacetates followed by cyclization with TosMIC, affording 1-arylimidazole-5-carboxylates in two steps in 40-94% overall yields. (C) 2000 Elsevier Science Ltd. All rights reserved.
Processes for preparing imidazoquinoxalinones, heterocyclic-substituted imidazopyrazinones, imidazoquinoxalines and heterocyclic-substituted imidazopyrazines
申请人:——
公开号:US20040180898A1
公开(公告)日:2004-09-16
Novel processes for the preparation of imidazoquinoxalinones, heterocyclic-substituted imidazopyrazinones, imidazoquinoxalines and heterocyclic-substituted imidazopyrazines are described.
本发明涉及制备咪唑喹喔啉酮,杂环取代咪唑吡嗪酮,咪唑喹喔啉和杂环取代咪唑吡嗪的新工艺。
[EN] HETEROCYCLO-SUBSTITUTED IMIDAZOPYRAZINE PROTEIN TYROSINE KINASE INHIBITORS<br/>[FR] INHIBITEURS DE LA PROTEINE TYROSINE KINASE, A BASE D'IMIDAZOPYRAZINE A SUBSTITUTION HETEROCYCLO
申请人:BRISTOL-MYERS SQUIBB COMPANY
公开号:WO1999045009A1
公开(公告)日:1999-09-10
(EN) Novel heterocyclo-substituted imidazopyrazines and salts thereof, pharmaceutical compositions containing such compounds, and methods of using such compounds in the treatment of protein tyrosine kinase-associated disorders such as immunologic disorders.(FR) L'invention concerne des imidazopyrazines à substitution hétérocyclo, et des sels de celles-ci, des compositions pharmaceutiques contenant de tels composés, ainsi que des procédés d'utilisation de ces composés dans le traitement de troubles associés à la protéine tyrosine kinase, tels que des troubles d'ordre immunologique.
[EN] PROCESSES FOR PREPARING IMIDAZOQUINOXALINONES, HETEROCYCLIC-SUBSTITUTED IMIDAZOPYRAZINONES, IMIDAZOUINOXALINES AND HETEROCYCLIC-SUBSTITUTED IMIDAZOPYRAZINES<br/>[FR] PROCEDES POUR PREPARER DES IMIDAZOQUINOXALINONES, DES IMIDAZOPYRAZINONES A SUBSTITUTION HETEROCYCLIQUE, DES IMIDAZOQUINOXALINES ET DES IMIDAZOPYRAZINES A SUBSTITUTION HETEROCYCLIQUE
申请人:BRISTOL MYERS SQUIBB CO
公开号:WO2004078714A2
公开(公告)日:2004-09-16
Novel processes for the preparation of imidazoquinoxalinones, heterocyclic-substituted imidazopyrazinones, imidazoquinoxalines and heterocyclic-substituted imidazopyrazines are described.