3,3-Dimethylacylthioureas: "S", "-S", "U" or "W" Conformation?

We report a study of 3,3-dimethyl substituted acylthioureas. X ray data and quantum mechanical calculations demonstrated that the "S" conformation is the most stable both for the acylthioureas and the corresponding anions. The high regioselectivity towards S-alkylation is explained on the...

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Main Authors: M. Piris, M. Sosa, G. Burton
Format: Article
Language:English
Published: MDPI AG 2000-03-01
Series:Molecules
Subjects:
n/a
Online Access:http://www.mdpi.com/1420-3049/5/3/445/
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author M. Piris
M. Sosa
G. Burton
author_facet M. Piris
M. Sosa
G. Burton
author_sort M. Piris
collection DOAJ
description We report a study of 3,3-dimethyl substituted acylthioureas. X ray data and quantum mechanical calculations demonstrated that the "S" conformation is the most stable both for the acylthioureas and the corresponding anions. The high regioselectivity towards S-alkylation is explained on the basis of the localization of the HOMO mainly over the sulfur atom.
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spelling doaj.art-1d1f65405fc7483e9e03d4b4c997a95a2022-12-21T20:20:27ZengMDPI AGMolecules1420-30492000-03-015344544610.3390/503004453,3-Dimethylacylthioureas: "S", "-S", "U" or "W" Conformation?M. PirisM. SosaG. BurtonWe report a study of 3,3-dimethyl substituted acylthioureas. X ray data and quantum mechanical calculations demonstrated that the "S" conformation is the most stable both for the acylthioureas and the corresponding anions. The high regioselectivity towards S-alkylation is explained on the basis of the localization of the HOMO mainly over the sulfur atom.http://www.mdpi.com/1420-3049/5/3/445/n/a
spellingShingle M. Piris
M. Sosa
G. Burton
3,3-Dimethylacylthioureas: "S", "-S", "U" or "W" Conformation?
Molecules
n/a
title 3,3-Dimethylacylthioureas: "S", "-S", "U" or "W" Conformation?
title_full 3,3-Dimethylacylthioureas: "S", "-S", "U" or "W" Conformation?
title_fullStr 3,3-Dimethylacylthioureas: "S", "-S", "U" or "W" Conformation?
title_full_unstemmed 3,3-Dimethylacylthioureas: "S", "-S", "U" or "W" Conformation?
title_short 3,3-Dimethylacylthioureas: "S", "-S", "U" or "W" Conformation?
title_sort 3 3 dimethylacylthioureas s s u or w conformation
topic n/a
url http://www.mdpi.com/1420-3049/5/3/445/
work_keys_str_mv AT mpiris 33dimethylacylthioureasssuorwconformation
AT msosa 33dimethylacylthioureasssuorwconformation
AT gburton 33dimethylacylthioureasssuorwconformation