(1S,5R,7R,2'R,S,3'R,S)-7-[(tert-butyl)dimethylsiloxy]-6-[(E,Z)-3'-(tert-butyl)dimethylsiloxyoct-2'-carbobenzyloxy-1'-ylidene]-2-oxabicyclo[3.3.0]octan-3-one

Base Information

Chemical Name:(1S,5R,7R,2'R,S,3'R,S)-7-[(tert-butyl)dimethylsiloxy]-6-[(E,Z)-3'-(tert-butyl)dimethylsiloxyoct-2'-carbobenzyloxy-1'-ylidene]-2-oxabicyclo[3.3.0]octan-3-one
CAS No.:249890-40-2
Molecular Formula:C₃₅H₅₈O₆Si₂
Molecular Weight:631.013
Hs Code.:

Synonyms:(1S,5R,7R,2'R,S,3'R,S)-7-[(tert-butyl)dimethylsiloxy]-6-[(E,Z)-3'-(tert-butyl)dimethylsiloxyoct-2'-carbobenzyloxy-1'-ylidene]-2-oxabicyclo[3.3.0]octan-3-one

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Chemical Property of (1S,5R,7R,2'R,S,3'R,S)-7-[(tert-butyl)dimethylsiloxy]-6-[(E,Z)-3'-(tert-butyl)dimethylsiloxyoct-2'-carbobenzyloxy-1'-ylidene]-2-oxabicyclo[3.3.0]octan-3-one

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Technology Process of (1S,5R,7R,2'R,S,3'R,S)-7-[(tert-butyl)dimethylsiloxy]-6-[(E,Z)-3'-(tert-butyl)dimethylsiloxyoct-2'-carbobenzyloxy-1'-ylidene]-2-oxabicyclo[3.3.0]octan-3-one

There total 7 articles about (1S,5R,7R,2'R,S,3'R,S)-7-[(tert-butyl)dimethylsiloxy]-6-[(E,Z)-3'-(tert-butyl)dimethylsiloxyoct-2'-carbobenzyloxy-1'-ylidene]-2-oxabicyclo[3.3.0]octan-3-one 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: 98.0%

: 69739-34-0
t-butyldimethylsiyl triflate

: 249890-37-7
(1S,5R,7R,2'R,S,3'R,S)-7-hydroxy-6-[(E,Z)-3'-hydroxyoct-2'-carbobenzyloxy-1'-ylidene]-2-oxabicyclo[3.3.0]octan-3-one

: 249890-40-2
(1S,5R,7R,2'R,S,3'R,S)-7-[(tert-butyl)dimethylsiloxy]-6-[(E,Z)-3'-(tert-butyl)dimethylsiloxyoct-2'-carbobenzyloxy-1'-ylidene]-2-oxabicyclo[3.3.0]octan-3-one

Guidance literature:: With 2,6-dimethylpyridine; In dichloromethane; at 20 ℃; for 0.75h;
DOI:10.1021/jo990906r

Reference yield:

: 51260-12-9
(1S,5S)-3-oxo-2-oxabicyclo<3.3.0>oct-6-en-6-carbaldehyde

: 249890-40-2
(1S,5R,7R,2'R,S,3'R,S)-7-[(tert-butyl)dimethylsiloxy]-6-[(E,Z)-3'-(tert-butyl)dimethylsiloxyoct-2'-carbobenzyloxy-1'-ylidene]-2-oxabicyclo[3.3.0]octan-3-one

Guidance literature:: Multi-step reaction with 6 steps

1: 96 percent / NaBH₄; CeCl₃*7H₂O / CH₂Cl₂; methanol / 1.5 h / -78 °C

2: 75 percent / Ti(i-PrO)4; (-)-D-diethyl tartrate; t-BuOOH / CH₂Cl₂ / 3 h / -23 °C

3: 100 percent / oxalyl chloride; DMSO; Et₃N / CH₂Cl₂ / 1.83 h / -78 - 0 °C

4: 89 percent / CH₂Cl₂ / 2 h / 20 °C

5: 100 percent / SmI₂ / tetrahydrofuran / 0.83 h / -78 °C

6: 98 percent / 2,6-lutidine / CH₂Cl₂ / 0.75 h / 20 °C

With 2,6-dimethylpyridine; titanium(IV) isopropylate; tert.-butylhydroperoxide; sodium tetrahydroborate; samarium diiodide; cerium(III) chloride; oxalyl dichloride; diethyl (2S,3S)-tartrate; dimethyl sulfoxide; triethylamine; In tetrahydrofuran; methanol; dichloromethane; 1: Luche readuction / 2: Sharpless asymmetric epoxidation / 3: Swern oxidation / 4: Wittig reaction / 5: Condensation / 6: Substitution;
DOI:10.1021/jo990906r

Reference yield:

: 62158-44-5
(1S,5R)-6-hydroxymethyl-2-oxabicyclo[3.3.0]oct-6-en-3-one

: 249890-40-2
(1S,5R,7R,2'R,S,3'R,S)-7-[(tert-butyl)dimethylsiloxy]-6-[(E,Z)-3'-(tert-butyl)dimethylsiloxyoct-2'-carbobenzyloxy-1'-ylidene]-2-oxabicyclo[3.3.0]octan-3-one

Guidance literature:: Multi-step reaction with 5 steps

1: 75 percent / Ti(i-PrO)4; (-)-D-diethyl tartrate; t-BuOOH / CH₂Cl₂ / 3 h / -23 °C

2: 100 percent / oxalyl chloride; DMSO; Et₃N / CH₂Cl₂ / 1.83 h / -78 - 0 °C

3: 89 percent / CH₂Cl₂ / 2 h / 20 °C

4: 100 percent / SmI₂ / tetrahydrofuran / 0.83 h / -78 °C

5: 98 percent / 2,6-lutidine / CH₂Cl₂ / 0.75 h / 20 °C

With 2,6-dimethylpyridine; titanium(IV) isopropylate; tert.-butylhydroperoxide; samarium diiodide; oxalyl dichloride; diethyl (2S,3S)-tartrate; dimethyl sulfoxide; triethylamine; In tetrahydrofuran; dichloromethane; 1: Sharpless asymmetric epoxidation / 2: Swern oxidation / 3: Wittig reaction / 4: Condensation / 5: Substitution;
DOI:10.1021/jo990906r