2,2-Dimethyl-propionic acid (2S,3R)-7-(tert-butyl-diphenyl-silanyloxy)-3-(4-methoxy-benzyloxy)-2-triisopropylsilanyloxy-hept-5-ynyl ester

Base Information

Chemical Name:2,2-Dimethyl-propionic acid (2S,3R)-7-(tert-butyl-diphenyl-silanyloxy)-3-(4-methoxy-benzyloxy)-2-triisopropylsilanyloxy-hept-5-ynyl ester
CAS No.:410095-18-0
Molecular Formula:C₄₅H₆₆O₆Si₂
Molecular Weight:759.186
Hs Code.:

Synonyms:2,2-Dimethyl-propionic acid (2S,3R)-7-(tert-butyl-diphenyl-silanyloxy)-3-(4-methoxy-benzyloxy)-2-triisopropylsilanyloxy-hept-5-ynyl ester

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Chemical Property of 2,2-Dimethyl-propionic acid (2S,3R)-7-(tert-butyl-diphenyl-silanyloxy)-3-(4-methoxy-benzyloxy)-2-triisopropylsilanyloxy-hept-5-ynyl ester

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Technology Process of 2,2-Dimethyl-propionic acid (2S,3R)-7-(tert-butyl-diphenyl-silanyloxy)-3-(4-methoxy-benzyloxy)-2-triisopropylsilanyloxy-hept-5-ynyl ester

There total 6 articles about 2,2-Dimethyl-propionic acid (2S,3R)-7-(tert-butyl-diphenyl-silanyloxy)-3-(4-methoxy-benzyloxy)-2-triisopropylsilanyloxy-hept-5-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: 95.0%

: 80522-42-5
triisopropylsilyl trifluoromethanesulfonate

: 410095-23-7
2,2-Dimethyl-propionic acid (2S,3R)-7-(tert-butyl-diphenyl-silanyloxy)-2-hydroxy-3-(4-methoxy-benzyloxy)-hept-5-ynyl ester

: 410095-18-0
2,2-Dimethyl-propionic acid (2S,3R)-7-(tert-butyl-diphenyl-silanyloxy)-3-(4-methoxy-benzyloxy)-2-triisopropylsilanyloxy-hept-5-ynyl ester

Guidance literature:: With 2,6-dimethylpyridine; In N,N-dimethyl-formamide;
DOI:10.1016/S0040-4039(01)02120-7

Reference yield:

: 3282-30-2
pivaloyl chloride

: 410095-18-0
2,2-Dimethyl-propionic acid (2S,3R)-7-(tert-butyl-diphenyl-silanyloxy)-3-(4-methoxy-benzyloxy)-2-triisopropylsilanyloxy-hept-5-ynyl ester

Guidance literature:: Multi-step reaction with 2 steps

1: 93 percent / Er₃N / CH₂Cl₂

2: 95 percent / 2,6-lutidine / dimethylformamide

With 2,6-dimethylpyridine; Er₃N; In dichloromethane; N,N-dimethyl-formamide;
DOI:10.1016/S0040-4039(01)02120-7

Reference yield:

: 88159-06-2
tert-butyl(diphenyl)(2-propynyloxy)silane

: 410095-18-0
2,2-Dimethyl-propionic acid (2S,3R)-7-(tert-butyl-diphenyl-silanyloxy)-3-(4-methoxy-benzyloxy)-2-triisopropylsilanyloxy-hept-5-ynyl ester

Guidance literature:: Multi-step reaction with 5 steps

1: 82 percent / n-BuLi; BF₃*OEt₂ / tetrahydrofuran / -78 °C

2: KHMDS / dimethylformamide / 0 °C

3: 1,2-propanethiol; BF₃*Et₂O / -78 °C

4: 93 percent / Er₃N / CH₂Cl₂

5: 95 percent / 2,6-lutidine / dimethylformamide

With 2,6-dimethylpyridine; n-butyllithium; Er₃N; 1,2-propanedithiol; boron trifluoride diethyl etherate; potassium hexamethylsilazane; In tetrahydrofuran; dichloromethane; N,N-dimethyl-formamide;
DOI:10.1016/S0040-4039(01)02120-7