(3aS,4S,6S,7aS)-4-[(E)-(S)-1-(tert-Butyl-diphenyl-silanyloxy)-oct-2-enyl]-6-methoxy-tetrahydro-furo[3,2-c]pyran-2-one

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Chemical Name:(3aS,4S,6S,7aS)-4-[(E)-(S)-1-(tert-Butyl-diphenyl-silanyloxy)-oct-2-enyl]-6-methoxy-tetrahydro-furo[3,2-c]pyran-2-one
CAS No.:186664-12-0
Molecular Formula:C₃₂H₄₄O₅Si
Molecular Weight:536.784
Hs Code.:

Synonyms:(3aS,4S,6S,7aS)-4-[(E)-(S)-1-(tert-Butyl-diphenyl-silanyloxy)-oct-2-enyl]-6-methoxy-tetrahydro-furo[3,2-c]pyran-2-one

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Chemical Property of (3aS,4S,6S,7aS)-4-[(E)-(S)-1-(tert-Butyl-diphenyl-silanyloxy)-oct-2-enyl]-6-methoxy-tetrahydro-furo[3,2-c]pyran-2-one

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Technology Process of (3aS,4S,6S,7aS)-4-[(E)-(S)-1-(tert-Butyl-diphenyl-silanyloxy)-oct-2-enyl]-6-methoxy-tetrahydro-furo[3,2-c]pyran-2-one

There total 7 articles about (3aS,4S,6S,7aS)-4-[(E)-(S)-1-(tert-Butyl-diphenyl-silanyloxy)-oct-2-enyl]-6-methoxy-tetrahydro-furo[3,2-c]pyran-2-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: 85.0%

: 66225-50-1
di-iodohexane

: 186664-11-9
(R)-(tert-Butyl-diphenyl-silanyloxy)-((3aS,4S,6S,7aS)-6-methoxy-2-oxo-hexahydro-furo[3,2-c]pyran-4-yl)-acetaldehyde

: 186664-12-0
(3aS,4S,6S,7aS)-4-[(E)-(S)-1-(tert-Butyl-diphenyl-silanyloxy)-oct-2-enyl]-6-methoxy-tetrahydro-furo[3,2-c]pyran-2-one

Guidance literature:: With chromium dichloride; In tetrahydrofuran; N,N-dimethyl-formamide; for 8h; Heating;
DOI:10.1016/S0040-4039(97)82953-X

Reference yield:

: 186664-06-2
2-{(2S,3S,6S)-2-[(S)-1-Hydroxy-2-(4-methoxy-phenoxy)-ethyl]-6-methoxy-3,6-dihydro-2H-pyran-3-yl}-N,N-dimethyl-acetamide

: 186664-12-0
(3aS,4S,6S,7aS)-4-[(E)-(S)-1-(tert-Butyl-diphenyl-silanyloxy)-oct-2-enyl]-6-methoxy-tetrahydro-furo[3,2-c]pyran-2-one

Guidance literature:: Multi-step reaction with 6 steps

1: 90 percent / I₂ / tetrahydrofuran; H₂O / 5 h / Heating

2: 88 percent / imidazole / dimethylformamide / 20 h / Ambient temperature

3: 98 percent / H₃PO₂ aq., AIBN, Et₃N / dioxane / 1 h / Heating

4: 96 percent / CAN, pyridine / H₂O; acetonitrile / 0.5 h / 0 °C

5: 1) (COCl)2, DMSO, 2) Et₃N / 1) CH₂Cl₂, -78 deg C, 2) CH₂Cl₂, -78 to 0 deg C

6: 85 percent / CrCl₂ / dimethylformamide; tetrahydrofuran / 8 h / Heating

With pyridine; 1H-imidazole; chromium dichloride; oxalyl dichloride; ammonium cerium(IV) nitrate; 2,2'-azobis(isobutyronitrile); iodine; hypophosphorous acid; dimethyl sulfoxide; triethylamine; In tetrahydrofuran; 1,4-dioxane; water; N,N-dimethyl-formamide; acetonitrile;
DOI:10.1016/S0040-4039(97)82953-X

Reference yield:

: 2-[(1S,2S,5S,7S)-7-(4-Methoxy-phenoxymethyl)-6,8-dioxa-bicyclo[3.2.1]oct-3-en-2-yl]-N,N-dimethyl-acetamide

: 186664-12-0
(3aS,4S,6S,7aS)-4-[(E)-(S)-1-(tert-Butyl-diphenyl-silanyloxy)-oct-2-enyl]-6-methoxy-tetrahydro-furo[3,2-c]pyran-2-one

Guidance literature:: Multi-step reaction with 7 steps

1: 91 percent / p-TsOH*H₂O / 7.5 h / 0 °C

2: 90 percent / I₂ / tetrahydrofuran; H₂O / 5 h / Heating

3: 88 percent / imidazole / dimethylformamide / 20 h / Ambient temperature

4: 98 percent / H₃PO₂ aq., AIBN, Et₃N / dioxane / 1 h / Heating

5: 96 percent / CAN, pyridine / H₂O; acetonitrile / 0.5 h / 0 °C

6: 1) (COCl)2, DMSO, 2) Et₃N / 1) CH₂Cl₂, -78 deg C, 2) CH₂Cl₂, -78 to 0 deg C

7: 85 percent / CrCl₂ / dimethylformamide; tetrahydrofuran / 8 h / Heating

With pyridine; 1H-imidazole; chromium dichloride; oxalyl dichloride; ammonium cerium(IV) nitrate; 2,2'-azobis(isobutyronitrile); iodine; hypophosphorous acid; toluene-4-sulfonic acid; dimethyl sulfoxide; triethylamine; In tetrahydrofuran; 1,4-dioxane; water; N,N-dimethyl-formamide; acetonitrile;
DOI:10.1016/S0040-4039(97)82953-X