(3,4-bis(diphenylmethylene)-2-oxocyclobutyl)triphenylphosphonium bromide

Base Information

• Chemical Name: (3,4-bis(diphenylmethylene)-2-oxocyclobutyl)triphenylphosphonium bromide
• CAS No.: 77488-40-5
• Molecular Formula: Br*C₄₈H₃₆OP
• Molecular Weight: 739.691

Synonyms:(3,4-bis(diphenylmethylene)-2-oxocyclobutyl)triphenylphosphonium bromide

Chemical Property of (3,4-bis(diphenylmethylene)-2-oxocyclobutyl)triphenylphosphonium bromide

Chemical Property:

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Technology Process of (3,4-bis(diphenylmethylene)-2-oxocyclobutyl)triphenylphosphonium bromide

There total 1 articles about (3,4-bis(diphenylmethylene)-2-oxocyclobutyl)triphenylphosphonium bromide 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: 83.0%

2-bromo-3,4-bis(diphenylmethylene)cyclobutanone (30762-59-5) + triphenylphosphine (603-35-0) → (3,4-bis(diphenylmethylene)-2-oxocyclobutyl)triphenylphosphonium bromide (77488-40-5)

Guidance literature:

In benzene; for 4h; Heating;

DOI:10.1016/0040-4039(80)80162-6

Reference yield: 100.0%

(3,4-bis(diphenylmethylene)-2-oxocyclobutyl)triphenylphosphonium bromide (77488-40-5) → (3,4-bis(diphenylmethylene)2-oxocyclobutyl)triphenylphosphorane (73173-03-2)

Guidance literature:

With sodium methylate; In methanol;

DOI:10.1016/0040-4039(80)80162-6

Reference yield: 82.0%

(3,4-bis(diphenylmethylene)-2-oxocyclobutyl)triphenylphosphonium bromide (77488-40-5) → (2-hydroxy-5,8,8-triphenylbenzoheptafulvenyl)triphenylphosphonium bromide (77488-41-6)

Guidance literature:

In neat (no solvent); at 220 ℃; for 0.5h;

DOI:10.1016/0040-4039(80)80162-6

upstream raw materials:

2-bromo-3,4-bis(diphenylmethylene)cyclobutanone

triphenylphosphine

Downstream raw materials:

(3,4-bis(diphenylmethylene)2-oxocyclobutyl)triphenylphosphorane

(2-hydroxy-5,8,8-triphenylbenzoheptafulvenyl)triphenylphosphonium bromide

2-Benzhydrylidene-8-methyl-3-phenyl-2H-cyclobuta[b]naphthalen-1-one

2-Benzhydrylidene-3-phenyl-8-phenylamino-2H-cyclobuta[b]naphthalen-1-one

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