120578-05-4Relevant articles and documents
Synthesis of Unsymmetrical Dithioacetals: An Efficient Synthesis of a Novel LTD4 Antagonist, L-660,711
McNamara, J. M.,Leazer, J. L.,Bhupathy, M.,Amato, J. S.,Reamer, R. A.,et al.
, p. 3718 - 3721 (2007/10/02)
An efficient four-step synthesis of the potent LTD4 antagonist L-660,711 (1) is described.The key step involves selective conversion of aldehyde 2 to the unsymmetrical dithioacetal 7, via O-trimethylsilyl hemithioacetal 10.This specific cleavage of the carbon-oxygen bond of a mixed O,S-acetal permits the unprecedented synthesis of unsymmetrical dithioacetals.