1,1-dibromo-2,2-dimethyl-3-[1-(diphenylphosphinyl)ethylidene]cyclopropane

Base Information

Chemical Name:1,1-dibromo-2,2-dimethyl-3-[1-(diphenylphosphinyl)ethylidene]cyclopropane
CAS No.:146855-75-6
Molecular Formula:C₁₉H₁₉Br₂OP
Molecular Weight:454.141
Hs Code.:

Synonyms:1,1-dibromo-2,2-dimethyl-3-[1-(diphenylphosphinyl)ethylidene]cyclopropane

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Chemical Property of 1,1-dibromo-2,2-dimethyl-3-[1-(diphenylphosphinyl)ethylidene]cyclopropane

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Technology Process of 1,1-dibromo-2,2-dimethyl-3-[1-(diphenylphosphinyl)ethylidene]cyclopropane

There total 3 articles about 1,1-dibromo-2,2-dimethyl-3-[1-(diphenylphosphinyl)ethylidene]cyclopropane which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 48.0%

: 75-25-2
Bromoform

: 146855-71-2
(4-methylpenta-2,3-dien-2-yl)diphenyl phosphine oxide

: 146855-75-6
1,1-dibromo-2,2-dimethyl-3-[1-(diphenylphosphinyl)ethylidene]cyclopropane

Guidance literature:: With sodium hydroxide; N-benzyl-N,N,N-triethylammonium chloride; Ambient temperature;
DOI:10.1021/jo970771u

Reference yield:

: 590-38-5
2-methyl-3-pentyn-2-ol

: 146855-75-6
1,1-dibromo-2,2-dimethyl-3-[1-(diphenylphosphinyl)ethylidene]cyclopropane

Guidance literature:: Multi-step reaction with 2 steps

1: 82 percent / pyridine / diethyl ether; CH₂Cl₂ / 1.) 0 deg C, 1 h, 2.) room temperature, overnight

2: 48 percent / triethylbenzylammonium chloride, 50percent aq. NaOH / Ambient temperature

With pyridine; sodium hydroxide; N-benzyl-N,N,N-triethylammonium chloride; In diethyl ether; dichloromethane;
DOI:10.1021/jo970771u

Reference yield:

: 1079-66-9,74391-44-9
chloro-diphenylphosphine

: 146855-75-6
1,1-dibromo-2,2-dimethyl-3-[1-(diphenylphosphinyl)ethylidene]cyclopropane

Guidance literature:: Multi-step reaction with 2 steps

1: 82 percent / pyridine / diethyl ether; CH₂Cl₂ / 1.) 0 deg C, 1 h, 2.) room temperature, overnight

2: 48 percent / triethylbenzylammonium chloride, 50percent aq. NaOH / Ambient temperature

With pyridine; sodium hydroxide; N-benzyl-N,N,N-triethylammonium chloride; In diethyl ether; dichloromethane;
DOI:10.1021/jo970771u