(2E,4E)-(S)-6-(tert-Butyl-diphenyl-silanyloxy)-7,7-difluoro-tetradeca-2,4-dien-8-yn-1-ol

Base Information

Chemical Name:(2E,4E)-(S)-6-(tert-Butyl-diphenyl-silanyloxy)-7,7-difluoro-tetradeca-2,4-dien-8-yn-1-ol
CAS No.:120623-82-7
Molecular Formula:C₃₀H₃₈F₂O₂Si
Molecular Weight:496.713
Hs Code.:

Synonyms:(2E,4E)-(S)-6-(tert-Butyl-diphenyl-silanyloxy)-7,7-difluoro-tetradeca-2,4-dien-8-yn-1-ol

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Chemical Property of (2E,4E)-(S)-6-(tert-Butyl-diphenyl-silanyloxy)-7,7-difluoro-tetradeca-2,4-dien-8-yn-1-ol

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Technology Process of (2E,4E)-(S)-6-(tert-Butyl-diphenyl-silanyloxy)-7,7-difluoro-tetradeca-2,4-dien-8-yn-1-ol

There total 7 articles about (2E,4E)-(S)-6-(tert-Butyl-diphenyl-silanyloxy)-7,7-difluoro-tetradeca-2,4-dien-8-yn-1-ol 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: 84.0%

: 120642-24-2
tert-Butyl-{(S)-2,2-difluoro-1-[(1E,3E)-5-(tetrahydro-pyran-2-yloxy)-penta-1,3-dienyl]-non-3-ynyloxy}-diphenyl-silane

: 120623-82-7
(2E,4E)-(S)-6-(tert-Butyl-diphenyl-silanyloxy)-7,7-difluoro-tetradeca-2,4-dien-8-yn-1-ol

Guidance literature:: With water; acetic acid; In tetrahydrofuran;
DOI:10.1016/S0040-4039(00)80840-0

Reference yield:

: 120623-87-2
2-Oxo-non-3-ynoic acid ethyl ester

: 120623-82-7
(2E,4E)-(S)-6-(tert-Butyl-diphenyl-silanyloxy)-7,7-difluoro-tetradeca-2,4-dien-8-yn-1-ol

Guidance literature:: Multi-step reaction with 6 steps

1: 75 percent / diethylaminosulfur trifluoride

2: 79 percent / n-BuLi / tetrahydrofuran / -78 °C

3: 72 percent / R-Alpine Borane

4: 75 percent / Red-Al / tetrahydrofuran

5: 74 percent / imidazole / dimethylformamide

6: 84 percent / AcOH, water / tetrahydrofuran

With 1H-imidazole; n-butyllithium; B-isopinocampheyl-9-borabicyclo[3.3.1]nonane; diethylamino-sulfur trifluoride; water; acetic acid; sodium bis(2-methoxyethoxy)aluminium dihydride; In tetrahydrofuran; N,N-dimethyl-formamide;
DOI:10.1016/S0040-4039(00)80840-0

Reference yield:

: 120623-79-2
2,2-Difluoro-non-3-ynoic acid ethyl ester

: 120623-82-7
(2E,4E)-(S)-6-(tert-Butyl-diphenyl-silanyloxy)-7,7-difluoro-tetradeca-2,4-dien-8-yn-1-ol

Guidance literature:: Multi-step reaction with 5 steps

1: 79 percent / n-BuLi / tetrahydrofuran / -78 °C

2: 72 percent / R-Alpine Borane

3: 75 percent / Red-Al / tetrahydrofuran

4: 74 percent / imidazole / dimethylformamide

5: 84 percent / AcOH, water / tetrahydrofuran

With 1H-imidazole; n-butyllithium; B-isopinocampheyl-9-borabicyclo[3.3.1]nonane; water; acetic acid; sodium bis(2-methoxyethoxy)aluminium dihydride; In tetrahydrofuran; N,N-dimethyl-formamide;
DOI:10.1016/S0040-4039(00)80840-0