methyl 2-carbomethoxy-4-methyl-4-(2,2-diphenylvinyl)-6,6-diphenyl-2,5-hexadienoate

Base Information

Chemical Name:methyl 2-carbomethoxy-4-methyl-4-(2,2-diphenylvinyl)-6,6-diphenyl-2,5-hexadienoate
CAS No.:325770-96-5
Molecular Formula:C₃₆H₃₂O₄
Molecular Weight:528.648
Hs Code.:

Synonyms:methyl 2-carbomethoxy-4-methyl-4-(2,2-diphenylvinyl)-6,6-diphenyl-2,5-hexadienoate

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Chemical Property of methyl 2-carbomethoxy-4-methyl-4-(2,2-diphenylvinyl)-6,6-diphenyl-2,5-hexadienoate

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Technology Process of methyl 2-carbomethoxy-4-methyl-4-(2,2-diphenylvinyl)-6,6-diphenyl-2,5-hexadienoate

There total 6 articles about methyl 2-carbomethoxy-4-methyl-4-(2,2-diphenylvinyl)-6,6-diphenyl-2,5-hexadienoate 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: 82.0%

: 123003-33-8
2-(2,2-Diphenylvinyl)-2-methyl-4,4-diphenyl-3-butenal

: 108-59-8
malonic acid dimethyl ester

: 325770-96-5
methyl 2-carbomethoxy-4-methyl-4-(2,2-diphenylvinyl)-6,6-diphenyl-2,5-hexadienoate

: 1-methyl-3,3-diphenyl-4,4-dicarbomethoxy-5-(2,2-diphenylvinyl)-1-cyclopentene

Guidance literature:: With pyridine; titanium tetrachloride; In tetrahydrofuran; tetrachloromethane; at 20 ℃; for 13h;
DOI:10.1021/jo001601b

Reference yield: 82.0%

: 123003-33-8
2-(2,2-Diphenylvinyl)-2-methyl-4,4-diphenyl-3-butenal

: 108-59-8
malonic acid dimethyl ester

: 325770-96-5
methyl 2-carbomethoxy-4-methyl-4-(2,2-diphenylvinyl)-6,6-diphenyl-2,5-hexadienoate

Guidance literature:: With pyridine; titanium tetrachloride; In tetrahydrofuran; at 0 - 20 ℃;
DOI:10.1016/s0040-4039(00)01705-6

Reference yield:

: 38503-54-7
1,1,5,5-Tetraphenyl-1,4-pentadiene

: 325770-96-5
methyl 2-carbomethoxy-4-methyl-4-(2,2-diphenylvinyl)-6,6-diphenyl-2,5-hexadienoate

Guidance literature:: Multi-step reaction with 5 steps

1.1: n-BuLi / tetrahydrofuran; pentane / 0.5 h / 0 °C

1.2: 83 percent / 0 - 20 °C

2.1: LDA / tetrahydrofuran / -10 - 10 °C

2.2: 85 percent / 1 h / 20 °C

3.1: 84 percent / LiAlH₄ / tetrahydrofuran / 2 h / 0 °C

4.1: 84 percent / pyridine; CrO₃ / CH₂Cl₂ / 2.5 h / 0 °C

5.1: 82 percent / TiCl₄; pyridine / tetrahydrofuran; CCl₄ / 13 h / 20 °C

With pyridine; chromium(VI) oxide; lithium aluminium tetrahydride; n-butyllithium; titanium tetrachloride; lithium diisopropyl amide; In tetrahydrofuran; tetrachloromethane; dichloromethane; pentane;
DOI:10.1021/jo001601b