New Triethylamine Induced Carbocyclization of β-Bromopropargyl Ethers in the Pyrimidinedione Series

J.-P. Dulcère; N. Baret; J. Rodriguez; R. Faure

doi:10.1055/s-1995-5047

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Synlett 1995; 1995(7): 705-706
DOI: 10.1055/s-1995-5047

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New Triethylamine Induced Carbocyclization of β-Bromopropargyl Ethers in the Pyrimidinedione Series

J.-P. Dulcère^* , N. Baret¹ , J. Rodriguez¹ , R. Faure¹

^*Laboratoire RéSo, Réactivité en Synthèse Organique, Faculté de St.-Jérôme, URA CNRS 1411, Avenue Escadrille Normandie-Niemen, Boîte D 12, F-1339 Marseille Cedex 20, Fax 33 91 28 88 41

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Publication Date:
31 December 2000 (online)

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Et₃N promoted carbocyclization of β-bromopropargyl ethers 2, derived from thymine derivatives 1, affords 3-alkylidene tetrahydrofurans 3 and 4 in good yields.

Carbocyclization - β-bromopropargyl ethers - pyrimidinediones - triethylamine - cohalogenation