摘要:
The syntheses of all four stereoisomers of a nonsteroidal mimetic of the phytohormone brassinolide are reported. These re: (+)-(6S,7R,6'S,7'R)-, (-)-(6R,7S,6'R,7'S)-, (+)-(6S,7R,6'R,7'S)-, and (-)-(6R,7S,6'S,7'R)-1-[1-(4,6,7-trihydroxy-5,6,7,8-tetrahydronaphthyl)]-2-[1'-(6',7'-dihydroxy-5',6',7',8'-tetrahydronaphthyl)]ethyne. (C) 2004 Elsevier Ltd. All rights reserved.