Synthesis of 3,3a-Dihydro-2H,5H-azetobenzo-1,3-oxazine-2,5-dione, I

DOI: 10.1007/BF00798412

Source and publish data:

Monatshefte fur Chemie p. 215 - 222 (1984)

Update date:2022-08-11

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Authors:

Ongania, Karl-Hans

Schwarzenbrunner, Ulrike

Humer, Karin

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Article abstract of DOI:10.1007/BF00798412

The thioformimidates 4, which may be obtained by S-alkylation of the thioformamides 3, react with chloroacetylchloride/triethylamine to yield the (3R, 4S/3S, 4R)-3-chloro-4-methylthio-2-azetidinones 5.Dehalogenation of 5 leads to 6, which undergoes ring c

Full text of DOI:10.1007/BF00798412

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