Zd. Jin et al., SYNTHESIS VIA VINYL SULFONES .55. NEW SYNTHETIC METHODS EXPLOITING VINYL SULFONES DISCOVERED DURING THE SYNTHESIS OF A NATURAL PRODUCT, Phosphorus, sulfur and silicon and the related elements, 95-6(1-4), 1994, pp. 1-19
Observations made during the synthesis of the anticancer agent homohar
ringtonine 37 have resulted in the development of several new syntheti
c methods based upon the alkylation and conjugate-addition chemistry o
f gamma-methoxy allylsulfonyl anions. Enones, dienyl ketones, and trie
nyl ketones are readily constructed. Sultinium ion intermediates facil
itate the sulfone to olefin transformation.