Benzoic acid 2,2-dimethyl-1-(2-methyl-cyclobut-1-enylethynyl)-pent-4-enyl ester

Base Information

Chemical Name:Benzoic acid 2,2-dimethyl-1-(2-methyl-cyclobut-1-enylethynyl)-pent-4-enyl ester
CAS No.:119795-88-9
Molecular Formula:C₂₁H₂₄O₂
Molecular Weight:308.42
Hs Code.:

Synonyms:Benzoic acid 2,2-dimethyl-1-(2-methyl-cyclobut-1-enylethynyl)-pent-4-enyl ester

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Chemical Property of Benzoic acid 2,2-dimethyl-1-(2-methyl-cyclobut-1-enylethynyl)-pent-4-enyl ester

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Technology Process of Benzoic acid 2,2-dimethyl-1-(2-methyl-cyclobut-1-enylethynyl)-pent-4-enyl ester

There total 4 articles about Benzoic acid 2,2-dimethyl-1-(2-methyl-cyclobut-1-enylethynyl)-pent-4-enyl ester 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: 53.0%

: 98-88-4
benzoyl chloride

: 119904-12-0
(+/-)-1-(2'-Methylcyclobut-1'-en-1'-yl)-4,4-dimethyl-6-hepten-1-yn-3-ol

: 119795-88-9
Benzoic acid 2,2-dimethyl-1-(2-methyl-cyclobut-1-enylethynyl)-pent-4-enyl ester

Guidance literature:: With dmap; In pyridine; for 2h; Ambient temperature;
DOI:10.1021/ja00192a033

Reference yield:

: 5497-67-6
2,2-dimethyl-4-pentenal

: 119795-88-9
Benzoic acid 2,2-dimethyl-1-(2-methyl-cyclobut-1-enylethynyl)-pent-4-enyl ester

Guidance literature:: Multi-step reaction with 3 steps

1: 1.) n-butyllithium / 1.) THF, hexane, -78 deg C, 15 min, 2.) -78 deg C, 15 min; r.t., 14 h

2: 89 percent / Pd(PPh₃)2Cl₂, CuI / diethylamine / 6 h / Ambient temperature

3: 53 percent / N,N-(dimethylamino)pyridine (DMAP) / pyridine / 2 h / Ambient temperature

With dmap; bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; n-butyllithium; In pyridine; diethylamine;
DOI:10.1021/ja00192a033

Reference yield:

: 92144-00-8
1-iodo-2-methylcyclobut-1-ene

: 119795-88-9
Benzoic acid 2,2-dimethyl-1-(2-methyl-cyclobut-1-enylethynyl)-pent-4-enyl ester

Guidance literature:: Multi-step reaction with 2 steps

1: 89 percent / Pd(PPh₃)2Cl₂, CuI / diethylamine / 6 h / Ambient temperature

2: 53 percent / N,N-(dimethylamino)pyridine (DMAP) / pyridine / 2 h / Ambient temperature

With dmap; bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; In pyridine; diethylamine;
DOI:10.1021/ja00192a033