Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1982049Generated: October 30, 2026

7-(2-Methoxyimino-3,3-ethylenedioxy-4-bromobutyramido)-3-hydroxycepham-4-carboxylic acid → 7-(2-Methoxyimino-3-oxo-4-bromobutyramido)-3-hydroxycepham-4-carboxylic acid

https://huagongshe.com/reaction/1982049

Reaction equation

Participants

RoleNameHCIDCharge
Reactant7-(2-Methoxyimino-3,3-ethylenedioxy-4-bromobutyramido)-3-hydroxycepham-4-carboxylic acidHCID 86738090—
SolventAcetic AcidHCID 176—
Product7-(2-Methoxyimino-3-oxo-4-bromobutyramido)-3-hydroxycepham-4-carboxylic acidHCID 8673809166.2%

Reaction Steps

7-[2-Methoxyimino-3,3-ethylenedioxy-4-bromobutyramido]-3-hydroxycepham-4-carboxylic acid (syn isomer, 1 g.), 70% aqueous hydroperchloric acid (0.2 ml.) and acetic acid (2 ml.) were treated in a similar manner to that of Example 10 (4) to give 7-[2-methoxyimino-3-oxo-4-bromobutyramido]-3-hydroxycepham-4-carboxylic acid (syn isomer, 0.6 g.).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04594446
Source datasetuspto-grants-1986_06
ORD IDord-7f27ea9f93ef4c878f9e3aeb6f681776
Source noteuspto-grants-1986_06