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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2237572Generated: October 30, 2026

5-Chloro-2-thiophenecarboxylic acid → {5-[(5-Chloro-thiophene-2-carbonyl)-amino]-tetrazol-2-yl}-acetic acid methyl ester

https://huagongshe.com/reaction/2237572

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-Chloro-2-thiophenecarboxylic acidHCID 95048—
Reactantmethyl 2-(5-amino-2H-1,2,3,4-tetrazol-2-yl)acetateHCID 42643124—
Product{5-[(5-Chloro-thiophene-2-carbonyl)-amino]-tetrazol-2-yl}-acetic acid methyl esterHCID 42643127—

Reaction Steps

63.2 Using general method D, (5-amino-tetrazol-2-yl)-acetic acid methyl ester was coupled with 5-chlorothiophene-2-carboxylic acid to give {5-[(5-chloro-thiophene-2-carbonyl)-amino]-tetrazol-2-yl}-acetic acid methyl ester. White solid. MS 302.0 ([M+H]+)

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07718659B2
Source datasetuspto-grants-2010_05
ORD IDord-6960862357c34037a21af1d1ad94c9fc
Source noteuspto-grants-2010_05