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  4. Enamine Synthesis via Regiocontrolled 6-endo-dig and 5-exo-dig Tethered Carboamination of Propargylic Alcohols
 
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Enamine Synthesis via Regiocontrolled 6-endo-dig and 5-exo-dig Tethered Carboamination of Propargylic Alcohols

Solé Àvila, Helena  
•
Purins, Mikus  
•
Eichenberger, Lucas  
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August 15, 2024
Angewandte Chemie International Edition

Enamines are versatile building blocks for the synthesis of biologically active compounds. Nevertheless, only a limited number of strategies have been reported for preparing trisubstituted enamines in a regio-and stereoselective manner. Herein, we report a regiocontrolled 6-endo and 5-exo tethered carboamination of propargylic alcohols for the synthesis of trisubstituted enamines. High regioselectivity was achieved through fine-tuning of the amine protecting group during the Pd-catalyzed carboamination. The introduced trifluoromethylated tether enables further stereoselective functionalizations, such as hydrogenation and fluorination.

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ACIE2024_e202411383_GoldAccess.pdf

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Main Document

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Accepted version

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openaccess

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CC BY

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18.88 MB

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Adobe PDF

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78df1afeedcf5ec5eb87a65f5abad150

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