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HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
HRID 126952Erstellt: 24. Oktober 2026

1-Bromo-3-methylbutane → 15-Methylhexadecyl bromide

https://huagongshe.com/de/reaction/126952

Reaktionsgleichung

Beteiligte Stoffe

RolleNameHCIDEinwaage
Edukt1-Bromo-3-methylbutaneHCID 7891—
Edukt1,12-DibromododecaneHCID 18766—
EduktMagnesiumHCID 5462224—
KatalysatorCopper;dilithium;tetrachlorideHCID 193501—
LösungsmittelTetrahydrofuranHCID 8028—
Produkt15-Methylhexadecyl bromideHCID 20437385—
ProduktHCID 178418529HCID 178418529—

Reaktionsschritte

A solution of 3-methylbutylmagnesium bromide is prepared by treating 15 g. (0.1 mole) 3-methylbutyl bromide with 2.7 g. (1.1 eq) magnesium turnings in 50 ml. dry tetrahydrofuran. The resultant Grignard reagent is dropwise added to a cold (-10° C.) solution of 36.1 g. (1.1 eq) 1,12-dibromododecane and 0.2 g. (1 m mole) dilithiumtetrachloro cuprate in 75 ml. dry tetrahydrofuran. The solution is stirred for one hour, evaporated, and fractionally distilled in vacuo to yield 15-methylhexadecylbromide as a colorless liquid.

Herkunft & Nachweise

DOI10.6084/m9.figshare.5104873.v1
PatentnummerUS04254138
Quelldatensatzuspto-grants-1981_03
ORD IDord-4b450992ea5c48be9f42825b1c6d7949
Quellennotizuspto-grants-1981_03