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Brien, D.J., Naiman, A. and Vollhardt, K.P.C. (1982) Catalytic Co-Cyclisation of α,ω-Cyanoalkynes with Alkynes: A Versatile Chemo- and Regio-Selective Synthesis of 2,3-Substituted 5,6,7,8-Tetrahydroquinolines and Other Cycloalka[1,2-b]pyridines. Journal of the Chemical Society, Chemical Communications, No. 2, 133-134.
has been cited by the following article:
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TITLE:
Rhodium Catalyzed [2π + 2π + 2π]-Cycloaddition of Alkynyl-Ynamides and Carbon Disulfide to Indolo-Thiopyrane Thiones
AUTHORS:
Benjamin Dassonneville, Felix Hinkel, Heiner Detert
KEYWORDS:
Cycloaddition, Heterocycles, Rhodium, Sulfur, Alkyne
JOURNAL NAME:
International Journal of Organic Chemistry,
Vol.13 No.1,
March
14,
2023
ABSTRACT: The synthesis of new indoloannulated thiopyranethiones is reported. The key-step is a rhodium-catalyzed [2 + 2 + 2]-cycloaddition of alkynyl-ynamides with carbon disulfide to close the pyrrole and the thiopyranethione rings simultaneously. A violet idolothiopyrane thione or a mixture of the violet and a red isomer result from [RhCl(C8H14)2]2/3BINAP catalyzed cycloadditions, the regiochemistry is controlled by the substitution pattern on the alkynyl-ynamide.