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STEPWISE HYDROGEN REMOVAL IN THE ENZYMATIC RING EXPANSION OF PENICILLIN-N TO DEACETOXYCEPHALOSPORIN-C

Abstract:

Reaction of a 1:1 mixture of penicillin N and 2,2-bis(trideuteriomethyl) penicillin N with partially purified deacetoxy-cephalosporin C/deacetylcephalosporin C synthetase from Cephalosporium acremonium CO 728 resulted in preferential conversion of the protiated substrate, whereas in similar experiments with a 1:1 mixture of penicillin N and 3-deuteriopenicillin N both substrates were converted at the same rate; these results accord with a stepwise process for hydrogen removal during the ring ...

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Publication status:
Published

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Publisher copy:
10.1039/c39870001654

Authors


Journal:
JOURNAL OF THE CHEMICAL SOCIETY-CHEMICAL COMMUNICATIONS
Issue:
21
Pages:
1654-1656
Publication date:
1987-11-01
DOI:
ISSN:
0022-4936
Language:
English
Pubs id:
pubs:42834
UUID:
uuid:881c773b-1311-40b5-865c-e280dce6029f
Local pid:
pubs:42834
Source identifiers:
42834
Deposit date:
2012-12-19

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