Tetrahedron Letters

Tritylpotassium a new dehydrohalogenation reagent

DR Anton, RH Crabtree

文献索引：Anton, Douglas R.; Crabtree, Robert H. Tetrahedron Letters, 1983 , vol. 24, # 24 p. 2449 - 2450

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被引用次数: 5

摘要

... TRITYLPOTASSIUM A NEW DEHYDROHALOGENATION REAGENT Douglas R. Anton and Robert H. Crabtree Department of Chemistry Yale University New Haven, Connecticut, USA ABSTRACT: Ph3CK rapidly dehydrohalogenates secondary alkyl bromides and iodides at 0 to give olefins in very high yield (> 90%) Dehydrohalogenation of alkyl halides is often slow. ... d) in the presence of cyclohexanone (1 equiv.) e) using Ph3CLi f) after r. g) after 1 hr. ...