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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2400038Generated: November 2, 2026

4-Phenyl-1,2,3-thiadiazole-5-carboxylic acid → HCID 57130124, compound

https://huagongshe.com/reaction/2400038

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-Phenyl-1,2,3-thiadiazole-5-carboxylic acidHCID 2737167—
Reactant(3S,4R)-4-amino-3-hydroxy-2,2-dimethyl-chroman-6-carbonitrileHCID 10943936—
SolventMethanolHCID 887—
ProductHCID 57130124HCID 57130124—

Reaction Steps

The title compound was prepared from (3S-trans)-4-amino-3,4-dihydro-3-hydroxy-2,2-dimethyl-2H-1-benzopyran-6-carbonitrile (the title B compound of Example 1) and 4-phenyl-1,2,3-thiadiazole-5-carboxylic acid by the same method as described for the title compound of Example 2 to give a colorless solid, m.p. 185° C. (decomposed). [α]D =-26.2° (c=0.80, MeOH).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05453421
Source datasetuspto-grants-1995_09
ORD IDord-ae5333a318e746508dec5d462efb9d2e
Source noteuspto-grants-1995_09