Diethyl Ether → HCID 131715842, compound

Participants

Reaction Steps

To a suspension of 1.4 g (2.76 mmol) of (S)-[1[[[[[2-[(3,4-dihydroxyphenyl)amino]-2-oxoethyl]amino]sulfonyl]amino]carbonyl]-2-oxo-3-azetidinyl]carbamic acid, phenylmethyl ester in 1.1 g of thioanisole was added 3 ml of trifluoroacetic acid and the mixture was stirred overnight at room temperature. 50 ml of ether was added and the resulting crystals were filtered off, washed twice with ether and finally triturated with dichloromethane; yield: 1.22 g.

Provenance & Evidence