A. Padwa et al., Formal synthesis of (+/-)-dendrobine: Use of the amidofuran cycloaddition/rearrangement sequence, ORG LETT, 2(20), 2000, pp. 3233-3235
[GRAPHICS]
The formal synthesis of the alkaloid (+/-)-dendrobine (4) was accomplished
using the IMDAF cycloaddition/rearrangement sequence of a furanyl carbamate
. Conversion of the rearranged cycloadduct to Kende's advanced intermediate
in eight steps completed the formal synthesis of ((+/-)-dendrobine.