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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 440325Generated: October 30, 2026

2-Bromothiazole → 1211507-79-7

https://huagongshe.com/reaction/440325

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-BromothiazoleHCID 76430—
ReactantCyclopropanecarboxaldehydeHCID 123114—
ReactantButyllithiumHCID 178418339—
SolventDiethyl EtherHCID 3283—
Product1211507-79-7HCID 2240697395%

Reaction Conditions

Temperature-78 °C

Reaction Steps

n-BuLi (26.7 mL, 42.8 mmol, 1.6M) was added dropwise to a -78° C. solution of 2-bromothiazole (6.7 g, 40.8 mmol) in dry Et2O (80 mL). After stirring at -78° C. for 1 h, cyclopropanal (32 mL, 42.8 mmol) was added and the solution stirred 30 min. The reaction was quenched with water, the layers separated and the aqueous extracted with EtOAc. The combined extracts were dried (MgSO4), and condensed. The crude material was purified by flash chromatography using 40% EtOAc/hexane to give 5.98 g (95%) of 2-(1-hydroxy-1-cyclopropylmethyl)thiazole as a yellow oil.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05519040
Source datasetuspto-grants-1996_05
ORD IDord-8b743ce7939d46f8aefb0adc7500f544
Source noteuspto-grants-1996_05