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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 709184Generated: October 30, 2026

Oxalyl chloride → 1,3-BENZOTHIAZOLE-6-CARBONYL CHLORIDE

https://huagongshe.com/reaction/709184

Reaction equation

Participants

RoleNameHCIDCharge
ReactantOxalyl chlorideHCID 65578—
ReactantBenzothiazole-6-carboxylic acidHCID 601670—
CatalystDimethylformamideHCID 6228—
SolventDichloromethaneHCID 6344—
Product1,3-BENZOTHIAZOLE-6-CARBONYL CHLORIDEHCID 12208022150.4%

Reaction Conditions

Temperature30 °C

Reaction Steps

Under a nitrogen atmosphere, benzothiazole-6-carboxylic acid (1.014 g, 5.6 mmol) was dissolved in methylene chloride (25 mL). Five drops of N,N-dimethylforamide was added. Oxalyl chloride (0.5 mL, 5.6 mmol) was slowly added. After 2 hrs, the reaction was heated to 30° C. for 16 hrs. The reaction was concentrated in vacuo to yield benzothiazole-6-carbonyl chloride (1.665 g, quant., light yellow powder)

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09180119B2
Source datasetuspto-grants-2015_11
ORD IDord-e1f3e613605d409c8467c361967f7a31
Source noteuspto-grants-2015_11