S. Tomida et al., New approach to the progesterone BCD-ring system by utilizing a tandem transannular radical cyclization, TETRAHEDR L, 40(12), 1999, pp. 2363-2366
The synthesis of rile progesterone BCD-ring system utilizing a tandem trans
annular radical cyclization and its diastereoselectivity based on MM2 trans
ition state model calculations (flexible model) are described. (C) 1999 Els
evier Science Ltd. All rights reserved.