[EN] METHODS AND INTERMEDIATES FOR THE SYNTHESIS OF 4-OXO-3,4-DIHYDRO-IMIDAZO[5,1-D][1,2,3,5]TETRAZINES<br/>[FR] PROCÉDÉS ET INTERMÉDIAIRES POUR EFFECTUER LA SYNTHÈSE DE 4-OXO-3,4-DIHYDRO-IMIDAZO[5,1-D][1,2,3,5]TÉTRAZINES
申请人:PHARMINOX LTD
公开号:WO2011107726A1
公开(公告)日:2011-09-09
The present invention provides a compound of general formula (II), or a salt or solvate thereof wherein A is independently -A1, -A2, -A3, -A4, -A5, -A6, or -A7, wherein: -A1 is independently C5-12heteroaryl, and is optionally substituted; -A2 is independently thioamido or substituted thioamido; -A3 is independently imidamido, substituted imidamido, N-hydroxyimidamido, or substituted N-hydroxyimidamido; -A4 is independently hydroxamic acid or hydroxamate; -A5 is independently carboxamide or substituted carboxamide; -A6 is independently aliphatic C2-6alkenyl, and is optionally substituted; and -A7 is independently carboxy or C1-4alkyl-carboxylate; and its use in the synthesis of temozolomide and analogues thereof.
本发明提供了通式(II)的化合物,或其盐或溶剂化合物,其中A独立地为-A1、-A2、-A3、-A4、-A5、-A6或-A7,其中:-A1独立地为C5-12杂环芳基,并且可以被取代;-A2独立地为硫代酰胺或取代硫代酰胺;-A3独立地为咪唑酰胺、取代咪唑酰胺、N-羟基咪唑酰胺或取代N-羟基咪唑酰胺;-A4独立地为羟肟酸或羟肟酸酯;-A5独立地为羧酰胺或取代羧酰胺;-A6独立地为脂肪族C2-6烯基,并且可以被取代;-A7独立地为羧基或C1-4烷基羧酸酯;以及其在替莫唑胺及其类似物的合成中的用途。