Rapid, high-yield cleavage of enol and dienol methyl ethers under mild conditions using chlorotrimethylsilane/sodium iodideZenyk Kosarych; Theodore Cohen · 1980

A method for methylidenation and ethylidenation of an allylic thioether leading to a 2,3-sigma-tropic rearrangement. Failure of the Simmons-Smith reaction in the presence of thioethersZenyk Kosarych; Theodore Cohen · 1982

[2,3]-Sigmatropic rearrangement of an in situ prepared ylide and a thio ether to thio ester conversion as key steps in short syntheses of sarkomycin and its phenyl thio esterCohen, Theodore; Kosarych, Zenyk; Suzuki, Kunio; Yu, Lin Chen · The Journal of Organic Chemistry · 1985

Complete regio- and stereospecificity in the Lewis acid catalyzed Diels-Alder reactions of (Z)-2-methoxy-1-(phenylthio)-1,3-butadienes. Conversion of the CS configuration of an adduct to the CC configuration at the allylic position by a [2,3] sigmatropic rearrangementCohen, Theodore; Kosarych, Zenyk · 1982