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Note | Regular issue | Vol 60, No. 8, 2003, pp.1899-1905
Published online, 23rd June, 2003
DOI: 10.3987/COM-03-9799
Ytterbium Triflate-catalysed Synthesis of Ethyl 1,2,3,4-Tetrahydroisoquinoline-1-carboxylates Using Ethyl Chloro(phenylselanyl)acetate

Huey-Min Wang, Iou-Jiun Kang, and Ling-Ching Chen*

*Graduate Institute of Pharmaceutical Sciences, Kaohsiung Medical University, 100 Shin Chuan 1st Rd., Kaohsiung 80708, Taiwan, R.O.C.

Abstract

The reaction of N-benzenesulfonyl-β-phenethylamines with ethyl chloro(phenylselanyl)acetate catalysed by ytterbium triflate provides a convenient methodology for the synthesis of ethyl 1,2,3,4-tetrahydroisoquinoline-1-carboxylates.