Tetrahedron Letters p. 2915 - 2918 (1984)
Update date:2022-08-05
Topics:
Jephcote, Vincent J.
John, D. Ivor
Edwards, Peter D.
Luk, Kong
Williams, David J.
The BF3.Et2O catalysed reactions of diazopenicillanate 1 with aromatic aldehydes provide 2,3-dihydrothiazolo<2,3-b><1,3>oxazin-5-ones 4 via C(5)-C(6) cleavage of 6-formylpenicillanates 8.
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