二氯亚甲基二甲基氯化铵

Name: 二氯亚甲基二甲基氯化铵
Brand: ALDRICH

technical grade

别名:

(二氯亚甲基)二甲基氯化铵, Phosgeniminium chloride, Vilsmeier 试剂

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关于此项目

线性分子式:

[Cl₂C=N(CH₃)₂]⁺Cl^-

化学文摘社编号:

33842-02-3

分子量:

162.45

UNSPSC Code:

12352100

NACRES:

NA.22

PubChem Substance ID:

24850009

EC Number:

251-695-4

Beilstein/REAXYS Number:

4157987

MDL number:

MFCD00011870

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属性

grade

technical grade

mp

183-187 °C (dec.) (lit.)

storage temp.

2-8°C

SMILES string

[Cl-].C\[N+](C)=C(\Cl)Cl

InChI

1S/C3H6Cl2N.ClH/c1-6(2)3(4)5;/h1-2H3;1H/q+1;/p-1

InChI key

NRNFKRFWZQQDMD-UHFFFAOYSA-M

说明

General description

Dichloromethylene-dimethyliminium chloride (Vilsmeier reagent) reacts with o-acetaminophenols under Meth-Cohn conditions to yield 2-formylpyrido[2,1-b]benzoxazoles.

Application

Dichloromethylene-dimethyliminium chloride was used as reagent in the synthesis of selenourea and (R)-2-(2-chloroethyl)pyrrolidine-1-carboxylic acid ethyl ester. It was used for introducing amide chloride group into activated substrates.