9-(tert-butyl-dimethyl-silanyloxy)-4-[4-(tert-butyl-dimethyl-silanyloxy)-1-(3,4-dimethoxy-benzyloxy)-3-methoxy-non-7-ynyl]-2-methoxy-7-[3-methoxy-2-(4-methoxy-benzyloxy)-propyl]-2,8,10-trimethyl-1,3,6-trioxa-spiro[4.5]decane

Base Information

Chemical Name:9-(tert-butyl-dimethyl-silanyloxy)-4-[4-(tert-butyl-dimethyl-silanyloxy)-1-(3,4-dimethoxy-benzyloxy)-3-methoxy-non-7-ynyl]-2-methoxy-7-[3-methoxy-2-(4-methoxy-benzyloxy)-propyl]-2,8,10-trimethyl-1,3,6-trioxa-spiro[4.5]decane
CAS No.:647014-92-4
Molecular Formula:C₅₄H₉₀O₁₃Si₂
Molecular Weight:1003.47
Hs Code.:

9-(<i>tert</i>-butyl-dimethyl-silanyloxy)-4-[4-(<i>tert</i>-butyl-dimethyl-silanyloxy)-1-(3,4-dimethoxy-benzyloxy)-3-methoxy-non-7-ynyl]-2-methoxy-7-[3-methoxy-2-(4-methoxy-benzyloxy)-propyl]-2,8,10-trimethyl-1,3,6-trioxa-spiro[4.5]decane

Synonyms:9-(tert-butyl-dimethyl-silanyloxy)-4-[4-(tert-butyl-dimethyl-silanyloxy)-1-(3,4-dimethoxy-benzyloxy)-3-methoxy-non-7-ynyl]-2-methoxy-7-[3-methoxy-2-(4-methoxy-benzyloxy)-propyl]-2,8,10-trimethyl-1,3,6-trioxa-spiro[4.5]decane

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Chemical Property of 9-(tert-butyl-dimethyl-silanyloxy)-4-[4-(tert-butyl-dimethyl-silanyloxy)-1-(3,4-dimethoxy-benzyloxy)-3-methoxy-non-7-ynyl]-2-methoxy-7-[3-methoxy-2-(4-methoxy-benzyloxy)-propyl]-2,8,10-trimethyl-1,3,6-trioxa-spiro[4.5]decane

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Technology Process of 9-(tert-butyl-dimethyl-silanyloxy)-4-[4-(tert-butyl-dimethyl-silanyloxy)-1-(3,4-dimethoxy-benzyloxy)-3-methoxy-non-7-ynyl]-2-methoxy-7-[3-methoxy-2-(4-methoxy-benzyloxy)-propyl]-2,8,10-trimethyl-1,3,6-trioxa-spiro[4.5]decane

There total 10 articles about 9-(tert-butyl-dimethyl-silanyloxy)-4-[4-(tert-butyl-dimethyl-silanyloxy)-1-(3,4-dimethoxy-benzyloxy)-3-methoxy-non-7-ynyl]-2-methoxy-7-[3-methoxy-2-(4-methoxy-benzyloxy)-propyl]-2,8,10-trimethyl-1,3,6-trioxa-spiro[4.5]decane 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%

: 1445-45-0
Trimethyl orthoacetate

: 400763-73-7
9-(tert-butyl-dimethyl-silanyloxy)-4-[4-(tert-butyl-dimethyl-silanyloxy)-1-(3,4-dimethoxy-benzyloxy)-3-methoxy-non-7-ynyl]-7-[3-methoxy-2-(4-methoxy-benzyloxy)-propyl]-8,10-dimethyl-1,3,6-trioxa-spiro[4.5]decan-2-one

: 647014-92-4
9-(tert-butyl-dimethyl-silanyloxy)-4-[4-(tert-butyl-dimethyl-silanyloxy)-1-(3,4-dimethoxy-benzyloxy)-3-methoxy-non-7-ynyl]-2-methoxy-7-[3-methoxy-2-(4-methoxy-benzyloxy)-propyl]-2,8,10-trimethyl-1,3,6-trioxa-spiro[4.5]decane

Guidance literature:: With pyridinium p-toluenesulfonate; In dichloromethane; at 25 ℃; for 12h;
DOI:10.1002/1521-3773(20011015)40:20<3854::AID-ANIE3854>3.0.CO;2-D

Reference yield:

: (2R,3R,4S,5R,6R)-2-[(1R,2S,4S,5S)-2-(3,4-Dimethoxy-benzyloxy)-1,5-dihydroxy-4-methoxy-dec-8-ynyl]-6-[(R)-3-methoxy-2-(4-methoxy-benzyloxy)-propyl]-3,5-dimethyl-tetrahydro-pyran-2,4-diol

: 647014-92-4
9-(tert-butyl-dimethyl-silanyloxy)-4-[4-(tert-butyl-dimethyl-silanyloxy)-1-(3,4-dimethoxy-benzyloxy)-3-methoxy-non-7-ynyl]-2-methoxy-7-[3-methoxy-2-(4-methoxy-benzyloxy)-propyl]-2,8,10-trimethyl-1,3,6-trioxa-spiro[4.5]decane

Guidance literature:: Multi-step reaction with 2 steps

1: 830 mg / 2,6-lutidine / CH₂Cl₂ / 3 h / -78 °C

2: 95 percent / pyridinium p-toluenesulfonate / CH₂Cl₂ / 12 h / 25 °C

With 2,6-dimethylpyridine; pyridinium p-toluenesulfonate; In dichloromethane;
DOI:10.1021/ja030496v

Reference yield:

: (1R,2S,4S,5S)-1-{2-[(1R,2S,3S,4R,6R)-2,4-Dihydroxy-7-methoxy-6-(4-methoxy-benzyloxy)-1,3-dimethyl-heptyl]-[1,3]dithian-2-yl}-2-(3,4-dimethoxy-benzyloxy)-4-methoxy-dec-8-yne-1,5-diol

: 647014-92-4
9-(tert-butyl-dimethyl-silanyloxy)-4-[4-(tert-butyl-dimethyl-silanyloxy)-1-(3,4-dimethoxy-benzyloxy)-3-methoxy-non-7-ynyl]-2-methoxy-7-[3-methoxy-2-(4-methoxy-benzyloxy)-propyl]-2,8,10-trimethyl-1,3,6-trioxa-spiro[4.5]decane

Guidance literature:: Multi-step reaction with 3 steps

1: PhI(OCOCF₃)2 / acetonitrile; aq. phosphate buffer / 0.17 h / 0 °C / pH 7

2: 830 mg / 2,6-lutidine / CH₂Cl₂ / 3 h / -78 °C

3: 95 percent / pyridinium p-toluenesulfonate / CH₂Cl₂ / 12 h / 25 °C

With 2,6-dimethylpyridine; pyridinium p-toluenesulfonate; bis-[(trifluoroacetoxy)iodo]benzene; In phosphate buffer; dichloromethane; acetonitrile;
DOI:10.1021/ja030496v