Tetrahedron

Synthesis of (±)-3, 3′-bis (4-hydroxy-2H-benzopyran): a literature correction

R Hong, J Feng, R Hoen, G Lin

Index: Hong, Ran; Feng, Jun; Hoen, Rob; Lin, Guo-Qiang Tetrahedron, 2001 , vol. 57, # 41 p. 8685 - 8689

Full Text: HTML

Citation Number: 21

Abstract

The synthesis of bisbenzopyran-4-ol (1) was performed through the key steps of iodination, nickel (0)-modified Ullmann-type reaction, hydrogen-transfer hydrogenation and diastereoselective reduction. The X-ray diffraction experiment of compound 9 confirmed that the reported structure in the literature was not the real natural product.