Propargyl bromide → Benzothiazolium, 2-methyl-3-(2-propyn-1-yl)-, bromide (1:1)

Reaktionsgleichung

[CH3:1][C:2]1[S:3][C:4]2[CH:10]=[CH:9][CH:8]=[CH:7][C:5]=2[N:6]=1.[CH2:11]([Br:14])[C:12]#[CH:13]>>[Br-:14].[CH3:1][C:2]1[S:3][C:4]2[CH:10]=[CH:9][CH:8]=[CH:7][C:5]=2[N+:6]=1[CH2:13][C:12]#[CH:11]

Komponenten

Edukt 2

HCID 7842Propargyl bromide

HCID 84462-Methylbenzothiazole

Produkt 1

HCID 182410Benzothiazolium, 2-methyl-3-(2-propyn-1-yl)-, bromide (1:1)Ausbeute 69,1 %

Versuchsvorschrift

14.9 g of 2-methylbenzothiazole and 12.5 g of propargyl bromide were heated at 80 to 100° C on a hot water bath for 3 hours. The precipitated crystals were washed with acetone to obtain 18.5 g of 2-methyl-3-propargylbenzothiazolium bromide, m.p. 214°- 215° C.

Aufarbeitung

washThe precipitated crystals were washed with acetone

Quellen und Nachweise

ORD-Eintrag: ord-37403f30011943bb856ddb50a5d1e7c0
Quelldatensatz: uspto-grants-1978_09
DOI: 10.6084/m9.figshare.5104873.v1
Patentnummer: US04115122

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