反応 #11080

反応方程式

intermediate 19b

3-benzyloxycarbonylamino-6-methyl-4-oxo-4,6,7,8-tetrahydro-pyrrolo[1,2-a]pyrimidine-6-carboxylic acid

intermediate 23a

3-benzyloxycarbonylamino-6-methoxymethyl-4-oxo-4,6,7,8-tetrahydro-pyrrolo[1,2-a]pyrimidine-6-carboxylic acid tert-butyl ester

→

intermediate 23b

3-benzyloxycarbonylamino-6-methoxymethyl-4-oxo-4,6,7,8-tetrahydro-pyrrolo[1,2-a]pyrimidine-6-carboxylic acid

反応条件

実験手順

According to the procedure for the preparation of intermediate 19b, intermediate 23a (87 mg, 0.203 mmol) was deprotected to afford 76 mg (quantitative) of intermediate 23b. MS (ESI) 418.3 (M 2Na++H+), 372.2 (M−H+).

出典