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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1759641Generated: October 30, 2026

Water → Ethyl 2-(2-aminothiazol-4-yl)-2-(2-benzoyloxyethoxyimino)acetate

https://huagongshe.com/reaction/1759641

Reaction equation

Participants

RoleNameHCIDCharge
ReactantWaterHCID 962—
ReactantSodium AcetateHCID 517045—
ReactantThioureaHCID 2723790—
ReactantEthyl 2-(2-benzoyloxyethoxyimino)-4-chloro-3-oxobutyrateHCID 53906646—
SolventEthanolHCID 702—
ProductEthyl 2-(2-aminothiazol-4-yl)-2-(2-benzoyloxyethoxyimino)acetateHCID 5395476429.2%

Reaction Conditions

Temperature40 °C

Reaction Steps

A mixture of ethyl 2-(2-benzoyloxyethoxyimino)-4-chloro-3-oxobutyrate (syn isomer, 29 g.), thiourea (7.76 g.), sodium acetate (8.37 g.), water (75 ml.) and ethanol was stirred at 40° C. for an hour. The reaction mixture was treated in a conventional manner to give ethyl 2-(2-aminothiazol-4-yl)-2-(2-benzoyloxyethoxyimino)acetate (syn isomer, 9 g.).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04341775
Source datasetuspto-grants-1982_07
ORD IDord-956b20d5e8c54a449fee3668c6e84657
Source noteuspto-grants-1982_07