acetic acid 2-acetoxy-5-(tert-butyl-dimethyl-silanyloxy)-1-[5-(tert-butyl-diphenyl-silanyloxy)-pentanoyl]-pent-3-ynyl ester

Base Information

Chemical Name:acetic acid 2-acetoxy-5-(tert-butyl-dimethyl-silanyloxy)-1-[5-(tert-butyl-diphenyl-silanyloxy)-pentanoyl]-pent-3-ynyl ester
CAS No.:228405-28-5
Molecular Formula:C₃₆H₅₂O₇Si₂
Molecular Weight:652.976
Hs Code.:

acetic acid 2-acetoxy-5-(<i>tert</i>-butyl-dimethyl-silanyloxy)-1-[5-(<i>tert</i>-butyl-diphenyl-silanyloxy)-pentanoyl]-pent-3-ynyl ester

Synonyms:acetic acid 2-acetoxy-5-(tert-butyl-dimethyl-silanyloxy)-1-[5-(tert-butyl-diphenyl-silanyloxy)-pentanoyl]-pent-3-ynyl ester

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Chemical Property of acetic acid 2-acetoxy-5-(tert-butyl-dimethyl-silanyloxy)-1-[5-(tert-butyl-diphenyl-silanyloxy)-pentanoyl]-pent-3-ynyl ester

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Technology Process of acetic acid 2-acetoxy-5-(tert-butyl-dimethyl-silanyloxy)-1-[5-(tert-butyl-diphenyl-silanyloxy)-pentanoyl]-pent-3-ynyl ester

There total 9 articles about acetic acid 2-acetoxy-5-(tert-butyl-dimethyl-silanyloxy)-1-[5-(tert-butyl-diphenyl-silanyloxy)-pentanoyl]-pent-3-ynyl 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: 91.0%

: 108-24-7
acetic anhydride

: 228405-27-4
10-(tert-butyl-dimethyl-silanyloxy)-1-(tert-butyl-diphenyl-silanyloxy)-6,7-dihydroxy-dec-8-yn-5-one

: 228405-28-5
acetic acid 2-acetoxy-5-(tert-butyl-dimethyl-silanyloxy)-1-[5-(tert-butyl-diphenyl-silanyloxy)-pentanoyl]-pent-3-ynyl ester

Guidance literature:: With pyridine; In dichloromethane;
DOI:10.1016/S0040-4039(99)00579-1

Reference yield:

: 542-28-9,26354-94-9
3,4,5,6-tetrahydro-2H-pyran-2-one

: 228405-28-5
acetic acid 2-acetoxy-5-(tert-butyl-dimethyl-silanyloxy)-1-[5-(tert-butyl-diphenyl-silanyloxy)-pentanoyl]-pent-3-ynyl ester

Guidance literature:: Multi-step reaction with 6 steps

1: 83 percent / Et₃N

2: 95 percent / imidazole / dimethylformamide

3: 94 percent / n-BuLi / tetrahydrofuran

4: 79 percent / t-BuOK / tetrahydrofuran

5: 83 percent / K₂OsO₂(OH)4, (DHQ)2PHAL, MeSO₂NH₂, K₂CO₃, NaHCO₃ / 2-methyl-propan-2-ol; H₂O

6: 91 percent / pyridine / CH₂Cl₂

With pyridine; 1H-imidazole; n-butyllithium; Hydroquinone 1,4-phthalazinediyl diether; potassium dioxotetrahydroxoosmate(VI); methanesulfonamide; potassium tert-butylate; sodium hydrogencarbonate; potassium carbonate; triethylamine; In tetrahydrofuran; dichloromethane; water; N,N-dimethyl-formamide; tert-butyl alcohol;
DOI:10.1016/S0040-4039(99)00579-1

Reference yield:

: 14273-92-8
methyl 5-hydroxypentanoate

: 228405-28-5
acetic acid 2-acetoxy-5-(tert-butyl-dimethyl-silanyloxy)-1-[5-(tert-butyl-diphenyl-silanyloxy)-pentanoyl]-pent-3-ynyl ester

Guidance literature:: Multi-step reaction with 5 steps

1: 95 percent / imidazole / dimethylformamide

2: 94 percent / n-BuLi / tetrahydrofuran

3: 79 percent / t-BuOK / tetrahydrofuran

4: 83 percent / K₂OsO₂(OH)4, (DHQ)2PHAL, MeSO₂NH₂, K₂CO₃, NaHCO₃ / 2-methyl-propan-2-ol; H₂O

5: 91 percent / pyridine / CH₂Cl₂

With pyridine; 1H-imidazole; n-butyllithium; Hydroquinone 1,4-phthalazinediyl diether; potassium dioxotetrahydroxoosmate(VI); methanesulfonamide; potassium tert-butylate; sodium hydrogencarbonate; potassium carbonate; In tetrahydrofuran; dichloromethane; water; N,N-dimethyl-formamide; tert-butyl alcohol;
DOI:10.1016/S0040-4039(99)00579-1