Indium-Catalyzed Intramolecular Hydroamidation of Alkynes: An Exo-Dig Cyclization for the Synthesis of Pyranoquinolines through Post-Transformational Reaction.
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DOI: 10.1021/acs.orglett.7b02603
Abstract: An efficient approach for the synthesis of pyranoquinolines through the indium-catalyzed activation of alkynes is reported. Intramolecular hydroamidation of alkynes can proceed through alkyne activation by indium(III) and then 6-exo-dig cyclization, leading to a fused… read more here.
Keywords: intramolecular hydroamidation; hydroamidation alkynes; synthesis pyranoquinolines; cyclization ... See more keywords
Indium-Catalyzed Denitrogenative Transannulation of Pyridotriazoles: Synthesis of Pyrido[1,2- a]indoles.
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DOI: 10.1021/acs.orglett.9b00180
Abstract: Pyrido[1,2- a]indoles are known for medicinally and pharmaceutically important compounds; however, the efficient synthetic routes are scarce in the literature. We report herein a convenient and efficient route to synthesize these molecules through indium-catalyzed transannulation… read more here.
Keywords: catalyzed denitrogenative; pyrido indoles; transannulation pyridotriazoles; denitrogenative transannulation ... See more keywords
Indium-Catalyzed Direct Conversion of Lactones into Thiolactones and Selenolactones in the Presence of Elemental Sulfur and Selenium
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DOI: 10.1055/s-0036-1591849
Abstract: The direct conversion of lactones into thiolactones with elemental sulfur (S8) catalyzed by InCl3/PhSiH3 in a one-pot reaction is described. This catalytic system was successfully applied to the novel preparation of selenolactones from lactones and… read more here.
Keywords: conversion lactones; direct conversion; elemental sulfur; lactones thiolactones ... See more keywords