(8E,14Z)-(S)-12-(tert-Butyl-diphenyl-silanyloxy)-icosa-8,14-dien-5-ynoic acid methyl ester

Base Information

• Chemical Name: (8E,14Z)-(S)-12-(tert-Butyl-diphenyl-silanyloxy)-icosa-8,14-dien-5-ynoic acid methyl ester
• CAS No.: 127251-18-7
• Molecular Formula: C₃₇H₅₂O₃Si
• Molecular Weight: 572.904

Synonyms:(8E,14Z)-(S)-12-(tert-Butyl-diphenyl-silanyloxy)-icosa-8,14-dien-5-ynoic acid methyl ester

Chemical Property of (8E,14Z)-(S)-12-(tert-Butyl-diphenyl-silanyloxy)-icosa-8,14-dien-5-ynoic acid methyl ester

Chemical Property:

Purity/Quality:

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Technology Process of (8E,14Z)-(S)-12-(tert-Butyl-diphenyl-silanyloxy)-icosa-8,14-dien-5-ynoic acid methyl ester

There total 3 articles about (8E,14Z)-(S)-12-(tert-Butyl-diphenyl-silanyloxy)-icosa-8,14-dien-5-ynoic acid methyl 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:

hex-5-ynoic acid (53293-00-8) → (8E,14Z)-(S)-12-(tert-Butyl-diphenyl-silanyloxy)-icosa-8,14-dien-5-ynoic acid methyl ester (127251-18-7)

Guidance literature:

Multi-step reaction with 2 steps

1: EtMgBr / CuBr*Me₂S / tetrahydrofuran / 20 h / 0 deg C to 45 deg C

With ethylmagnesium bromide; copper(I) bromide dimethylsulfide complex; In tetrahydrofuran;

DOI:10.1016/S0040-4039(00)99285-2

Reference yield:

[(Z)-(S)-1-((E)-5-Bromo-pent-3-enyl)-non-3-enyloxy]-tert-butyl-diphenyl-silane (127251-17-6) → (8E,14Z)-(S)-12-(tert-Butyl-diphenyl-silanyloxy)-icosa-8,14-dien-5-ynoic acid methyl ester (127251-18-7)

Guidance literature:

Multi-step reaction with 2 steps

1: EtMgBr / CuBr*Me₂S / tetrahydrofuran / 20 h / 0 deg C to 45 deg C

With ethylmagnesium bromide; copper(I) bromide dimethylsulfide complex; In tetrahydrofuran;

DOI:10.1016/S0040-4039(00)99285-2

Reference yield:

diazomethane (186581-53-3,908094-01-9,334-88-3) + (8E,14Z)-(S)-12-(tert-Butyl-diphenyl-silanyloxy)-icosa-8,14-dien-5-ynoic acid → (8E,14Z)-(S)-12-(tert-Butyl-diphenyl-silanyloxy)-icosa-8,14-dien-5-ynoic acid methyl ester (127251-18-7)

Guidance literature:

Yield given;

DOI:10.1016/S0040-4039(00)99285-2

upstream raw materials:

diazomethane

hex-5-ynoic acid

[(Z)-(S)-1-((E)-5-Bromo-pent-3-enyl)-non-3-enyloxy]-tert-butyl-diphenyl-silane

Downstream raw materials:

Benzoic acid (4E,7Z)-(R)-11-methoxycarbonyl-1-((Z)-oct-2-enyl)-undeca-4,7-dienyl ester

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