ETHYNYLMAGNESIUM BROMIDE

ETHYNYLMAGNESIUM BROMIDE Basic information

Product Name:	ETHYNYLMAGNESIUM BROMIDE
Synonyms:	ETHYNYLMAGNESIUM BROMIDE;ethynylmagnesium bromide solution;ETHYNYLMAGNESIUM BROMIDE, 0.5M SOLUTION IN TETRAHYDROFURAN;ETHYNYLMAGNESIUM BROMIDE SOLUTION, ~0.5 M IN THF;ETHYLVINYLETHER;EthynylMagnesiuM broMide, 0.5 M solution in THF, SpcSeal;Ethynylbromomagnesium;Ethynyl magnesium bromide solution THF
CAS:	4301-14-8
MF:	C2HBrMg
MW:	129.24
EINECS:
Product Categories:	Grignard Reagent;Alkynyl;Grignard Reagents;Organometallic Reagents
Mol File:	4301-14-8.mol

ETHYNYLMAGNESIUM BROMIDE Chemical Properties

density	0.94 g/mL at 25 °C
Fp	−20 °F
storage temp.	2-8°C
form	Liquid
color	Colorless to yellow to brown to gray
BRN	3600874
InChIKey	HUGJUYPSXULVQQ-UHFFFAOYSA-M

Safety Information

MSDS Information

Provider	Language
SigmaAldrich	English

ETHYNYLMAGNESIUM BROMIDE Usage And Synthesis

Chemical Properties

Colorless to yellow to brown to grey liquid

Uses

Ethynylmagnesium bromide solution can be used in:

The preparation of the alkyne component in an enyne cross-metathesis leading to conjugated dienes.
Ethynylation of chiral α-(dibenzylamino) aldehydes.
The synthesis of ethynyl aziridines.
To prepare alkyl(triethynyl)germanes from tert-alkyltrichlorogermanes and 2-butyltrichlorogermane.
The preperation of a key intermediate in the total synthesis of (+)-4-demethoxydaunomycin.

ETHYNYLMAGNESIUM BROMIDE Preparation Products And Raw materials

Raw materials	Tetrahydrofuran-->Magnesium-->Bromoethane-->Acetylene-->Ethylmagnesium bromide-->3-Bromopropyne-->acetylene-bis-magnesium bromide, Fandachem
Preparation Products	1-PHENYL-2-PROPYN-1-OL-->2-METHYL-6-VINYLPYRIDINE-->PROPYNAL-->3-ETHYNYL-2-HYDROXY-PHENOL-->1-ETHYNYL-1-CYCLOHEPTANOL-->3-ethynyloxolan-3-ol-->1,1-DIPHENYL-2-PROPYN-1-OL-->Gestodene-->NSC 89798-->1-(4-Methoxyphenyl)-1-phenylprop-2-yn-1-ol

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