化学通报(网络版)
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화학통보(망락판)
Chemistry Online
2008年
1期
,共1页
(E)-7-甲氧基-3-(4′-甲氧基苯亚甲基)苯并二氢吡喃-4-酮%(E)-7-羟基-3-(3′,4′,5′-三甲氧基苯亚甲基)苯并二氢吡喃-4-酮%合成
(E)-7-甲氧基-3-(4′-甲氧基苯亞甲基)苯併二氫吡喃-4-酮%(E)-7-羥基-3-(3′,4′,5′-三甲氧基苯亞甲基)苯併二氫吡喃-4-酮%閤成
(E)-7-갑양기-3-(4′-갑양기분아갑기)분병이경필남-4-동%(E)-7-간기-3-(3′,4′,5′-삼갑양기분아갑기)분병이경필남-4-동%합성
(E)-7-methoxy-3-(4′-methoxybenzylidene)chroman-4-one%(E)-7-hydroxy-3-(3′,4′,5′-trimethoxybenzylidene)chroman-4-one%Synthesis
分别以间甲氧基苯酚与间苯二酚为原料,经过3步合成了(E)-7-甲氧基-3-(4-甲氧基苯亚甲基)与(E)-7-羟基-3-(3′,4′,5′-三甲氧基苯亚甲基)取代的苯并二氢吡喃-4-酮.该合成路线简单,易于操作,两者的最终收率分别为20.1%和15.3%.
分彆以間甲氧基苯酚與間苯二酚為原料,經過3步閤成瞭(E)-7-甲氧基-3-(4-甲氧基苯亞甲基)與(E)-7-羥基-3-(3′,4′,5′-三甲氧基苯亞甲基)取代的苯併二氫吡喃-4-酮.該閤成路線簡單,易于操作,兩者的最終收率分彆為20.1%和15.3%.
분별이간갑양기분분여간분이분위원료,경과3보합성료(E)-7-갑양기-3-(4-갑양기분아갑기)여(E)-7-간기-3-(3′,4′,5′-삼갑양기분아갑기)취대적분병이경필남-4-동.해합성로선간단,역우조작,량자적최종수솔분별위20.1%화15.3%.
Two homoisoflavonoids, (E)-7-methoxy-3-(4’-methoxybenzylidene)chroman-4-one 1 and (E)-7-hydroxy-3-(3′,4′,5′-trimethoxybenzylidene)chroman-4-one 2, were synthesized in three steps starting from 3-methoxyphenol and resorcinol, respectively. The method is simple and easy to perform. The overall yield of 1 and 2 was 20.1%and 15.3%.