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@inproceedings{365652,
author = {Častulík, Jakub and Melša, Petr and Mazal, Ctibor},
address = {Prague},
booktitle = {9th Meeting on Stereochemistry, Book of Abstracts},
keywords = {Stereoselectivity; Methylene Lactones; 1;3-Dipolar Cycloaddition},
language = {eng},
location = {Prague},
isbn = {80-7080-427-0},
pages = {161-162},
publisher = {Institute of Chemical Technology, Prague and Czech Chemical Society},
title = {Diastereoselectivity in 1,3-dipolar cycloaddition reactions of alpha-methylene lactone derivatives},
year = {2001}
}
TY - JOUR
ID - 365652
AU - Častulík, Jakub - Melša, Petr - Mazal, Ctibor
PY - 2001
TI - Diastereoselectivity in 1,3-dipolar cycloaddition reactions of alpha-methylene lactone derivatives
PB - Institute of Chemical Technology, Prague and Czech Chemical Society
CY - Prague
SN - 8070804270
KW - Stereoselectivity
KW - Methylene Lactones
KW - 1;3-Dipolar Cycloaddition
N2 - Alpha-methylene lactones added stereoselectively various kinds of 1,3-dipolar compounds. Spiro pyrrolidines and spiro pyrrolizidines were prepared by addition of azomethin ylides generated from sarcosin and prolin resp. Cycloaddition of a photochemically generated nitril ylide showed an unusual exo-selectivity. Alpha-methylene-gamma-lactone with a bulky substituent (OBO) in gamma position, which was prepared as a single enantiomer from L-glutamic acid, added 1,3-dipolar compounds in anti-manner almost exclusively.
ER -
ČASTULÍK, Jakub, Petr MELŠA a Ctibor MAZAL. Diastereoselectivity in 1,3-dipolar cycloaddition reactions of alpha-methylene lactone derivatives. In \textit{9th Meeting on Stereochemistry, Book of Abstracts}. Prague: Institute of Chemical Technology, Prague and Czech Chemical Society, 2001, s.~161-162. ISBN~80-7080-427-0.
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