[EN] SYNTHESIS OF ISORSORBIDE MONONITRATE<br/>[FR] SYNTHESE DE MONONITRATE D'ISOSORBIDE
申请人:CLARIANT LSM ITALIA SPA
公开号:WO2001049692A1
公开(公告)日:2001-07-12
A method of synthesising a compound of formula (1), in which each of R?1 and R2¿ is independently selected from H or optionally substituted straight or branched chain C¿1?-C30 alkyl, C1-C30 carboxyalkyl, C1-C30 sulphoxyalkyl, C1-C30 alkoxy, C3-C30 cycloalkyl, C3-C30 carboxycycloalkyl, C3-C30 sulphoxycycloalkyl, C3-C30 cycloalkoxy, heterocyclic, carboxyheterocyclic, sulphoxyheterocyclic, oxyheterocylic, C3-C30 cycloalkenyl, carboxycycloalkenyl, sulphoxycycloalkenyl or cycloalkenoxy, C8-C30 cycloalkynyl, carboxycycloalkynyl, sulphoxycycloalkynyl or cycloalkynoxy, C2-C30 alkynyl, carboxyalkynyl, sulphoxyalkynyl or alkynoxy group, C4-C30 aromatic, carboxyaromatic, sulphoxyaromatic or aryloxy, C4-C30 heteroaromatic, carboxyheteroaromatic, sulphoxyheteroaromatic or heteroaryloxy group, wherein in any of the hereto atom-containing groups the hetero atom is selected from O, S, and N; comprises treating a compound of formula (2) with a reducing system effective to reduce preferentially the compound of formula (2) at the 2-position to produce the compound of formula (1), wherein the reducing system comprises (i) hydrogen in the presence of a platinum-containing catalyst, or (ii) a hybride source in the presence of a transition metal phthalocyanine or polyphthalocyanine in which the transition metal is iron and/or cobalt.
一种合成化合物式(1)的方法,其中R1和R2各自独立地选择为H或可选地取代的直链或支链C1-C30烷基,C1-C30羧基烷基,C1-C30磺氧基烷基,C1-C30烷氧基,C3-C30环烷基,C3-C30羧基环烷基,C3-C30磺氧基环烷基,C3-C30环烷氧基,杂环,羧基杂环,磺氧基杂环,氧杂环,C3-C30环烯基,羧基环烯基,磺氧基环烯基或环烯氧基,C8-C30环炔基,羧基环炔基,磺氧基环炔基或环炔氧基,C2-C30炔基,羧基炔基,磺氧基炔基或炔氧基,C4-C30芳香基,羧基芳香基,磺氧基芳香基或芳氧基,C4-C30杂芳香基,羧基杂芳香基,磺氧基杂芳香基或杂芳氧基,其中在任何含有杂原子的基团中,杂原子选择自O、S和N;包括使用还原系统处理化合物式(2),该还原系统有效地选择性还原化合物式(2)的2位,以产生化合物式(1),其中还原系统包括(i)在
铂催化剂存在下的氢,或(ii)在过渡
金属
菲酞酰菁或聚
菲酞酰菁存在下的杂化源,其中过渡
金属为
铁和/或
钴。