L-(+)-Cysteine → HCID 53800139, compound

Participants

Reaction Conditions

Reaction Steps

109 g (0.9 mol) of L-cysteine was added into a 2000 ml round-bottomed flask, dissolved with 1000 ml of distilled water, cooled to 10° C. in ice bath, and neutralized to PH˜7 with 24 ml of 1M NaOH solution. 100 ml of ethylene oxide which was pre-cooled was taken at 10° C. and added to the above mixture, the mixture was reacted for 1 h while keeping the temperature at 10° C., then the temperature was raised to room temperature and the reaction was continued for another 1.5 h.

Provenance & Evidence