Cycloaddition reactions of cephalosporin compounds. XI [1]. 1,3-dipolar cycloaddition reaction of an exo-2-methylenecephem with diphenyldiazomethane

DOI: 10.1002/jhet.5570260238

Source and publish data:

Journal of Heterocyclic Chemistry p. 461 - 464 (1989)

Update date:2022-08-03

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Authors:

Pitlik Pitlik

Jaszberenyi

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Article abstract of DOI:10.1002/jhet.5570260238

In the 1,3-dipolar cycloaddition reaction of the exo-2-methylenecephem 6 with diphenyldiazomethane the initially formed pyrazolines decompose and spirocyclopropylcephalosporin formation takes place. The structure elucidation with ¹H, ¹³C, ASIS and NOE nmr methods is also described.

Full text of DOI:10.1002/jhet.5570260238

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