[EN] SYNTHESIS OF 2-AMINOBENZOXAZOLE COMPOUNDS<br/>[FR] SYNTHÈSE DE COMPOSÉS DE 2-AMINO-BENZOXAZOLE
申请人:ALBANY MOLECULAR RES INC
公开号:WO2010048514A1
公开(公告)日:2010-04-29
A method for forming an optionally substituted 2-aminobenzoxazole compound includes: contacting an optionally substituted 2-aminophenol compound with (1) an amine of the formula NHR2R3, wherein R2 and R3 are each independently selected from H, an optionally substituted alkyl group or an optionally substituted aryl group, or R2 and R3, taken together with the nitrogen atom to which they are attached, form an optionally substituted heterocyclic ring; and (2) a reactant selected from the group consisting of: (a) C(OR)4, wherein R represents an alkyl group; (b) C(OAr)4, wherein Ar represents an aryl group; and (c) CCl2(OAr)2, wherein Ar represents an aryl group, in combination with a base; thereby forming the optionally substituted 2-aminobenzoxazole compound.
一种形成可选择取代的2-氨基苯并噁唑化合物的方法包括:将可选择取代的2-氨基苯酚化合物与(1)符合NHR2R3公式的胺接触,其中R2和R3分别独立地选自H、可选择取代的烷基或可选择取代的芳基,或者R2和R3与它们连接的氮原子一起形成可选择取代的杂环环;以及(2)选自以下组合的反应物:(a)C(OR)4,其中R代表烷基;(b)C(OAr)4,其中Ar代表芳基;和(c)CCl2(OAr)2,其中Ar代表芳基,结合碱;从而形成可选择取代的2-氨基苯并噁唑化合物。