The first synthesis of tropane based 1,3‐dicarbonyl curcumin analogues. A general methodology for preparation of diversely substituted diarylheptanoid systems fused with tropane moiety is presented.
An Expeditious Synthesis of Vibsanol, a Benzofuran-Type Lignan from Viburnum awabuki
作者:Takayuki Shioiri、Atsushi Sakai、Toyohiko Aoyama
DOI:10.3987/com-99-s63
日期:——
Ralph, John; Quideau, Stephane; Grabber, John H., Journal of the Chemical Society. Perkin transactions I, 1994, # 23, p. 3485 - 3498
作者:Ralph, John、Quideau, Stephane、Grabber, John H.、Haffield, Ronald D.
DOI:——
日期:——
Cis-monolignols in Fagus grandifolia and their possible involvement in lignification
作者:Elba Morelli、Rabinda N. Rej、Norman G. Lewis、George Justt、G.H.Neil Towers
DOI:10.1016/s0031-9422(00)81239-x
日期:1986.1
Abstract Lignification in all plant species is assumed to occur exclusively via the dehydrogenative polymerization of the trans ( E ) monolignols, p -coumaryl, coniferyl and sinapyl alcohols. This assumption may have to be revised somewhat due to the presence of both E ( trans ) and Z ( cis ) isomers of p -hydroxy substituted cinnamic acids in grasses, and cis -coniferyl and cis -sinapyl alcohols in beech
摘要 假定所有植物物种的木质化仅通过反式 (E) 单木素醇、对香豆素、松柏醇和芥子醇的脱氢聚合发生。由于草中存在对羟基取代肉桂酸的 E(反式)和 Z(顺式)异构体,以及山毛榉树皮(Fagus grandifolia)中存在顺式松柏醇和顺式芥子醇,这一假设可能必须有所修改。 . 这表明这些组织的木质化可以使用顺式或反式单木素醇。通过 H 2 O 2 /过氧化物酶诱导,我们从顺式和反式松柏醇制备了合成脱氢聚合 (DHP) 木质素。根据所采用的测试,来自两种 DHP 的降解产物是相同的,这表明顺式或反式单木脂醇是该酶的合适底物,因此是木质化的底物。另一种假设是顺式-monolignols 在山毛榉树皮中积累,因为它们不是合适的底物。因此,参与体内木质化的酶是高度特异性的。