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Liu, J., Chen, M., Zhang, L. and Liu, Y. (2015) Gold(I)-Catalyzed 1,2-Acyloxy Migration/[3+2] Cycloaddition of 1,6-Diynes with an Ynamide Propargyl Ester Moiety: Highly Efficient Synthesis of Functionalized Cyclopenta[b]indoles. Chemistry— A European Journal, 21, 1009-1013.
https://doi.org/10.1002/chem.201405965

has been cited by the following article:

• 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.