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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1723527Generated: November 2, 2026

Hydrochloric Acid → (E)-2-[2-(4-Diethylaminobutoxyphenyl)ethenyl]benzothiazole

https://huagongshe.com/reaction/1723527

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantDiethylamineHCID 8021—
ReactantHCID 20025798HCID 20025798—
Product(E)-2-[2-(4-Diethylaminobutoxyphenyl)ethenyl]benzothiazoleHCID 2002581331%

Reaction Steps

The procedure of Example 38 was followed starting with (H) of Example 38 (3.0 g, 8.7 mmol) and using diethylamine in place of dipropylamine to produce 1.2 g (31% yield) of the title compound as the HCl salt, mp 205°-207° C. IR(KBr): 3400, 1605 cm-1. MS: 381(MH+). 1H NMR (CD3OD): δ 8.14-7.04 (m, 10H), 4.14 (t, J=5.2 Hz, 2H), 3.25 (m, 6H), 1.98 (m, 4H), 1.34 (m, 6H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04861897
Source datasetuspto-grants-1989_08
ORD IDord-f90a7686bf0b4c5faf1942ea2bb28cd3
Source noteuspto-grants-1989_08