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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 10981Generated: October 25, 2026

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

https://huagongshe.com/reaction/10981

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3-benzyloxycarbonylamino-6-methyl-4-oxo-4,6,7,8-tetrahydro-pyrrolo[1,2-a]pyrimidine-6-carboxylic AcidHCID 21979698—
Reactant3-Benzyloxycarbonylamino-6-ethyl-4-oxo-4,6,7,8-tetrahydro-pyrrolo[1,2-a]pyrimidine-6-carboxylic Acid tert-butyl EsterHCID 69600549—
Product3-benzyloxycarbonylamino-6-ethyl-4-oxo-4,6,7,8-tetrahydro-pyrrolo[1,2-a]pyrimidine-6-carboxylic AcidHCID 2197962199%

Reaction Steps

According to the procedure for the preparation of intermediate 19b, intermediate 22a (41 mg, 413.47 mmol) was deprotected to afford 35 mg (99%) of intermediate 22b. MS (ESI) 358.3 (M+H+), 356.2 (M−H+).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07094783B2
Source datasetuspto-grants-2006_08
ORD IDord-59bf92b943f54d59b86c2b1a12e61f69
Source noteuspto-grants-2006_08