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The photochemical[2 + 2]cycloaddition to N-methoxycarbonyl-5,6-dihydro-4-pyridone

โœ Scribed by Guerry, Philippe; Neier, Reinhard


Book ID
126889918
Publisher
The Royal Society of Chemistry
Year
1989
Tongue
English
Weight
235 KB
Volume
22
Category
Article
ISSN
0022-4936

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Chiral 5,6-disubstituted-5,6-dihydro-2(1H)-pyridones were prepared efficiently from readily accessible 3,4-disubstituted-2-azetidinones having preadjusted substituents and stereochemistry through the reductive ring opening of 2-azetidinones followed by Z-selective installation of acetate moiety and