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Published in 2019 at "ACS Catalysis"
DOI: 10.1021/acscatal.8b04144
Abstract: A gold-catalyzed carbocyclization of alkynes with a pendant diazo group that is completed by reaction with a protic nucleophile for the synthesis of indenol derivatives with a tertiary center is described. Mechanistic studies and DFT…
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Keywords:
selective vinylogous;
synthesis;
gold catalyzed;
carbocyclization ... See more keywords
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Published in 2020 at "RSC Advances"
DOI: 10.1039/d0ra02677h
Abstract: The Ti(O-iPr)4 and EtMgBr-catalyzed regio and stereoselective carbocyclization of N-allyl-substituted 2-alkynylamines with Et2Zn, followed by deuterolysis or hydrolysis, affords the corresponding methylenepyrrolidine derivatives in high yields. It was found that Ti–Mg-catalyzed carbocyclization of N-allyl-substituted 2-alkynylamines…
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Keywords:
allylpropargyl amines;
ipr etmgbr;
pyrrolidine derivatives;
catalyzed carbocyclization ... See more keywords
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Published in 2022 at "Chemical Science"
DOI: 10.1039/d2sc04750k
Abstract: We report a Brønsted acid-catalyzed carbocyclization cascade, featuring condensation of an alcohol/sulfonamide with an aldehyde followed by an intramolecular three-component coupling involving an alkyne, an oxocarbenium/iminium ion, and an arene. A formal cycloaddition is embedded…
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Keywords:
carbocyclization cascades;
cascades synthesis;
chemistry;
prins carbocyclization ... See more keywords