Methyl chloroformate → HCID 178457312, compound

Participants

Reaction Steps

The same operation as in Example 13 was performed, except for using the compound (200 mg) obtained in Example 16 and methyl chloroformate (54 mg), and then the obtained crude product was purified by silica gel chromatography (ethyl acetate:10%-saturated aqueous ammonia-methanol=1:0→85:15) to obtain the title compound (210 mg) having the following physical properties.

Provenance & Evidence