Synthesis of dihydrodehydrodiconiferyl alcohol: the revised structure of lawsonicin
作者:Junxiu Meng、Tao Jiang、Huma Aslam Bhatti、Bina S. Siddiqui、Sally Dixon、Jeremy D. Kilburn
DOI:10.1039/b918179b
日期:——
Structural revision of lawsonicin, a natural product of Lawsonia alba, is reported based upon comparison of its spectral data with that of the naturally occurring dihydrobenzo[b]furan neolignan (rac)-trans-dihydrodehydrodiconiferyl alcohol, which is found to be identical. A concise synthesis of dihydrodehydrodiconiferyl alcohol, via Rh2[S-DOSP]4-catalysed intramolecular C–H insertion, is described.
根据与天然存在的二氢苯并[b]呋喃新木质素(rac)-反式-二氢去氢二苯醇的光谱数据比较,报道了天芥菜(Lawsonia alba)天然产物lawsonicin的结构修订。还描述了通过Rh2[S-DOSP]4催化的分子内C-H插入反应合成二氢去氢二苯醇的简洁合成方法。