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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 19608Generated: October 24, 2026

tert-Butyl (4-aminophenyl)carbamate → {4-[5-(6-Benzyloxy-naphthalen-2-yl)-pyrazolo[1,5-c]pyrimidin-7-ylamino]-phenyl}-carbamic acid tert-butyl ester

https://huagongshe.com/en/reaction/19608

Reaction equation

Participants

RoleNameHCIDCharge
Reactanttert-Butyl (4-aminophenyl)carbamateHCID 688611—
Reactant5-(6-Benzyloxy-naphthalen-2-yl)-7-methanesulfonyl-pyrazolo[1,5-c]pyrimidineHCID 67319776—
Product{4-[5-(6-Benzyloxy-naphthalen-2-yl)-pyrazolo[1,5-c]pyrimidin-7-ylamino]-phenyl}-carbamic acid tert-butyl esterHCID 6731924546%

Reaction Conditions

Temperature135 °C

Reaction Steps

A mixture of 5-(6-benzyloxy-naphthalen-2-yl)-7-methanesulfonyl-pyrazolo[1,5-c]pyrimidine (compound D2)(87 mg) and 4-amino-phenyl-carbamic acid tert-butyl ester (208 mg) is heated neat at 130 to 140° C. bath temperature for 20 min. After cooling, the crude product is purified by silica gel flash chromatography. A nearly colorless solid (51 mg, 46%) with melting temperature of 189° C. is obtained.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07745446B2
Source datasetuspto-grants-2010_06
ORD IDord-511010926b6f4983a5ba276bd9effa2d
Source noteuspto-grants-2010_06