(2R,3S)-2-[(S)-8-(tert-Butyl-diphenyl-silanyloxy)-7-hydroxy-5-methoxy-2-methylene-oct-3-ynyl]-tetrahydro-pyran-3-ol

Base Information

Chemical Name:(2R,3S)-2-[(S)-8-(tert-Butyl-diphenyl-silanyloxy)-7-hydroxy-5-methoxy-2-methylene-oct-3-ynyl]-tetrahydro-pyran-3-ol
CAS No.:272787-67-4
Molecular Formula:C₃₁H₄₂O₅Si
Molecular Weight:522.757
Hs Code.:

Synonyms:(2R,3S)-2-[(S)-8-(tert-Butyl-diphenyl-silanyloxy)-7-hydroxy-5-methoxy-2-methylene-oct-3-ynyl]-tetrahydro-pyran-3-ol

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Chemical Property of (2R,3S)-2-[(S)-8-(tert-Butyl-diphenyl-silanyloxy)-7-hydroxy-5-methoxy-2-methylene-oct-3-ynyl]-tetrahydro-pyran-3-ol

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Technology Process of (2R,3S)-2-[(S)-8-(tert-Butyl-diphenyl-silanyloxy)-7-hydroxy-5-methoxy-2-methylene-oct-3-ynyl]-tetrahydro-pyran-3-ol

There total 5 articles about (2R,3S)-2-[(S)-8-(tert-Butyl-diphenyl-silanyloxy)-7-hydroxy-5-methoxy-2-methylene-oct-3-ynyl]-tetrahydro-pyran-3-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: 91.0%

: 272787-66-3
acetic acid 2-[8-(tert-butyldiphenylsilyl)-7-hydroxy-5-methoxy-2-methyleneoct-3-ynyl]tetrahydropyran-3-yl ester

: 272787-67-4
(2R,3S)-2-[(S)-8-(tert-Butyl-diphenyl-silanyloxy)-7-hydroxy-5-methoxy-2-methylene-oct-3-ynyl]-tetrahydro-pyran-3-ol

Guidance literature:: With methanol; potassium carbonate; at 20 ℃;
DOI:10.1055/s-2000-6507

Reference yield:

: 272787-64-1
1-(2,2-dimethyl-[1,3]dioxolan-4-yl)-4-trimethylsilylbut-3-yn-2-ol

: 272787-67-4
(2R,3S)-2-[(S)-8-(tert-Butyl-diphenyl-silanyloxy)-7-hydroxy-5-methoxy-2-methylene-oct-3-ynyl]-tetrahydro-pyran-3-ol

Guidance literature:: Multi-step reaction with 5 steps

1: 82 percent / KOH / dimethylsulfoxide

2: 81 percent / CuI; BuNH₂ / Pd⁽⁰⁾ / benzene / 20 °C

3: 90 percent / PPTS; MeOH / 60 °C

4: 86 percent / Et₃N / dimethylformamide / 20 °C

5: 91 percent / K₂CO₃; MeOH / 20 °C

With methanol; potassium hydroxide; copper(l) iodide; pyridinium p-toluenesulfonate; potassium carbonate; N-butylamine; triethylamine; palladium; In dimethyl sulfoxide; N,N-dimethyl-formamide; benzene; 1: Methylation / 2: Alkylation / 3: Ring cleavage / 4: Etherification / 5: Deacetylation;
DOI:10.1055/s-2000-6507

Reference yield:

: 272787-57-2
4-(2-methoxybut-3-ynyl)-2,2-dimethyl-[1,3]dioxolane

: 272787-67-4
(2R,3S)-2-[(S)-8-(tert-Butyl-diphenyl-silanyloxy)-7-hydroxy-5-methoxy-2-methylene-oct-3-ynyl]-tetrahydro-pyran-3-ol

Guidance literature:: Multi-step reaction with 4 steps

1: 81 percent / CuI; BuNH₂ / Pd⁽⁰⁾ / benzene / 20 °C

2: 90 percent / PPTS; MeOH / 60 °C

3: 86 percent / Et₃N / dimethylformamide / 20 °C

4: 91 percent / K₂CO₃; MeOH / 20 °C

With methanol; copper(l) iodide; pyridinium p-toluenesulfonate; potassium carbonate; N-butylamine; triethylamine; palladium; In N,N-dimethyl-formamide; benzene; 1: Alkylation / 2: Ring cleavage / 3: Etherification / 4: Deacetylation;
DOI:10.1055/s-2000-6507