Tetrahedron letters

Cyclic conjugated enediynes via elimination of a thionocarbonate in a latent Z-hex-3-ene-1, 5-diyne unit

MF Semmelhack, J Gallagher

Index: Semmelhack, M. F.; Gallagher, James Tetrahedron Letters, 1993 , vol. 34, # 26 p. 4121 - 4124

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Citation Number: 33

Abstract

Abstract The common sugar dulcitol is transformed into a hex-1, 5-diyne with 3, 4- dihydroxyls modified as an acetonide; this serves as a building block for the cyclic ene- diynes and allows mild and efficient introduction of the key ene unit at a late stage in ene-

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