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1-amino-2-butyne hydrochloride synthesis
- Product Name:1-amino-2-butyne hydrochloride
- CAS Number:50329-23-2
- Molecular formula:C4H8ClN
- Molecular Weight:105.566
![1-amino-2-butyne hydrochloride 1-amino-2-butyne hydrochloride](/NewsImg/2023-10-30/6383426173350384596815081.jpg)
![but-2-ynamide](/CAS/20210305/GIF/6052-32-0.gif)
6052-32-0
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Yield:50329-23-2 73%
Reaction Conditions:
Stage #1: tetrolic acide amidewith bis(cyclopentadienyl)dihydrozirconium;4,4,5,5-tetramethyl-[1,3,2]-dioxaboralane at 20; under 760.051 Torr; for 24 h;Inert atmosphere;
Stage #2: with hydrogenchloride in diethyl ether;Inert atmosphere;
Steps:
84
The bis(cyclopentadiene) zirconium dihydride (denoted as Cp2ZrH2, 0.01mmol, 2.23mg), but-2-ynamide (denoted as 5t, 0.2mmol, 16.6mg) and pinacol borane (denoted as HBpin , 0.6mmol, 87μL), stirred for 24h at room temperature under nitrogen (1atm) atmosphere, treated with hydrogen chloride in ether solution to obtain the hydrochloride compound of formula 6t structure (white solid, but-2-yn-1-amine hydrochloride ). The isolated yield was 73%.
References:
CN112299938,2021,A Location in patent:Paragraph 0262-0264
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764-01-2
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