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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 14652Generated: October 26, 2026

Lithium Hydroxide → 1-(tert-Butoxycarbonylamino-methyl)-6,7-dimethoxy-isoquinoline-4-carboxylic acid

https://huagongshe.com/reaction/14652

Reaction equation

Participants

RoleNameHCIDCharge
ReactantLithium HydroxideHCID 3939—
Reactant1-(Tert-butoxycarbonylamino-methyl)-6,7-dimethoxy-isoquinoline-4-carboxylic acid ethyl esterHCID 59341107—
Product1-(tert-Butoxycarbonylamino-methyl)-6,7-dimethoxy-isoquinoline-4-carboxylic acidHCID 59341071—

Reaction Steps

A sample of 1-(tert-butoxycarbonylamino-methyl)-6,7-dimethoxy-isoquinoline-4-carboxylic acid ethyl ester was hydrolyzed with 2 eq of LiOH as described in Example 1D to give 1-(tert-Butoxycarbonylamino-methyl)-6,7-dimethoxy-isoquinoline-4-carboxylic acid: 1H NMR (DMSO-d6) δ 1.37 (s, 9H), 3.90 (s, 3H), 3.93 (s, 3H), 4.74 (d, 2H), 7.33-7.36 (m, 1H), 7.61 (s, 1H), 8.37 (s, 1H), 8.82 (s, 1H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07732446B1
Source datasetuspto-grants-2010_06
ORD IDord-1405563673be41e0a51a0c6f0ff7210d
Source noteuspto-grants-2010_06