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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 43436Generated: October 26, 2026

1H-Imidazole-2-carboxylic acid → tert-Butyl cis(+/-)-4-[(1H-imidazol-2-ylcarbonyl)amino]-3-methoxypiperidine-1-carboxylate

https://huagongshe.com/reaction/43436

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1H-Imidazole-2-carboxylic acidHCID 574321—
Reactant1,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 2723939—
Reactant(3R,4S)-4-Amino-1-boc-3-methoxypiperidineHCID 57362389—
Catalyst4-(Dimethylamino)pyridineHCID 14284—
Producttert-Butyl cis(+/-)-4-[(1H-imidazol-2-ylcarbonyl)amino]-3-methoxypiperidine-1-carboxylateHCID 8664845658%

Reaction Steps

The same operation as in Example (1g) was performed using tert-butyl cis(±)-4-amino-3-methoxypiperidine-1-carboxylate obtained by the method described in Example (1e) (0.20 g, 0.87 mmol), 1H-imidazole-2-carboxylic acid obtained in Example (3a) (91 mg, 0.81 mmol), WSC hydrochloride (0.36 g, 1.88 mmol) and DMAP (10 mg, 0.083 mmol), to obtain 138 mg of the title compound as a white solid (58%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08536197B2
Source datasetuspto-grants-2013_09
ORD IDord-ce31ef13e58f4c2e8194f2fc1e24d25f
Source noteuspto-grants-2013_09