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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1422290Generated: October 31, 2026

Sodium cyanoborohydride → 3-[2-(4-Hydroxy-2-oxo-3H-1,3-benzothiazol-7-yl)-ethylamino]-N-[2-(2-phenylthioethoxy)ethyl]propanesulphonamide hydrochloride

https://huagongshe.com/reaction/1422290

Reaction equation

Participants

RoleNameHCIDCharge
ReactantSodium cyanoborohydrideHCID 5003444—
ReactantMethyl 3-[2-(2-phenylthioethoxy)ethylaminosulphonyl]propanoateHCID 18779027—
ReactantDiisobutylaluminumhydrideHCID 21225700—
Reactant4-Hydroxy-7-(2-aminoethyl)-1,3-benzothiazol-2(3H)-one hydrochlorideHCID 60207553—
Product3-[2-(4-Hydroxy-2-oxo-3H-1,3-benzothiazol-7-yl)-ethylamino]-N-[2-(2-phenylthioethoxy)ethyl]propanesulphonamide hydrochlorideHCID 187790704.8%

Reaction Steps

The title compound (0.106 g) was prepared according to the procedure in example 8 part e using methyl 3-[2-(2-phenylthioethoxy)ethylaminosulphonyl]propanoate (1.4 g), diisobutylaluminiumhydride (1.5 M in toluene, 3 ml), 7-(2-aminoethyl)-4-hydroxy-1,3-benzothiazol-2(3H)-one hydrochloride (1.2 g) and sodium cyanoborohydride (0.3 g).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06080869
Source datasetuspto-grants-2000_06
ORD IDord-a09daebee2ae4f998b41d4668b36c7f0
Source noteuspto-grants-2000_06