I. Attempted Violations of the Rule of Trans-nucleophilic Addition. Ii. Metalation and Alkylation of Mercaptals

FLOYD EDWARD ROBERTS, Purdue University

Abstract

Previous work from this Laboratory¹ has shown thatnucleophiles add to negatively substitued acetylenes in a trans- manner. This study was initiated to further test the generality of this rule. Structures in which either steric or electronic factors favored a violation to the rule were investigated and in all cases the dominant mode of addition was in a trans manner. The chemistry of some of the substituted olefinic products resulting from addition was also investigated. A novel isomerization of B-arylmercaptoacrylic esters was found. Compounds of the type (I) in the presence of thiolate were found to undergo exchange of the RS- group and form.

Degree

Ph.D.

Subject Area

Organic chemistry

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