1-((2S,3S,4aR,8aS)-3-{(2R,4aR,6S,7R,8aS)-6-[2-(tert-Butyl-diphenyl-silanyloxy)-ethyl]-4a,6-dimethyl-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-7-yloxy}-octahydro-pyrano[3,2-b]pyran-2-yl)-ethanone

Base Information

• Chemical Name: 1-((2S,3S,4aR,8aS)-3-{(2R,4aR,6S,7R,8aS)-6-[2-(tert-Butyl-diphenyl-silanyloxy)-ethyl]-4a,6-dimethyl-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-7-yloxy}-octahydro-pyrano[3,2-b]pyran-2-yl)-ethanone
• CAS No.: 874211-79-7
• Molecular Formula: C₄₃H₅₆O₈Si
• Molecular Weight: 728.998

Synonyms:1-((2S,3S,4aR,8aS)-3-{(2R,4aR,6S,7R,8aS)-6-[2-(tert-Butyl-diphenyl-silanyloxy)-ethyl]-4a,6-dimethyl-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-7-yloxy}-octahydro-pyrano[3,2-b]pyran-2-yl)-ethanone

Chemical Property of 1-((2S,3S,4aR,8aS)-3-{(2R,4aR,6S,7R,8aS)-6-[2-(tert-Butyl-diphenyl-silanyloxy)-ethyl]-4a,6-dimethyl-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-7-yloxy}-octahydro-pyrano[3,2-b]pyran-2-yl)-ethanone

Chemical Property:

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Technology Process of 1-((2S,3S,4aR,8aS)-3-{(2R,4aR,6S,7R,8aS)-6-[2-(tert-Butyl-diphenyl-silanyloxy)-ethyl]-4a,6-dimethyl-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-7-yloxy}-octahydro-pyrano[3,2-b]pyran-2-yl)-ethanone

There total 1 articles about 1-((2S,3S,4aR,8aS)-3-{(2R,4aR,6S,7R,8aS)-6-[2-(tert-Butyl-diphenyl-silanyloxy)-ethyl]-4a,6-dimethyl-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-7-yloxy}-octahydro-pyrano[3,2-b]pyran-2-yl)-ethanone 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: 81.0%

tert-Butyl-{2-[(2R,4aR,6S,7R,8aS)-4a,6-dimethyl-2-phenyl-7-((2R,3S,4aR,8aS)-2-vinyl-octahydro-pyrano[3,2-b]pyran-3-yloxy)-hexahydro-pyrano[3,2-d][1,3]dioxin-6-yl]-ethoxy}-diphenyl-silane (874211-78-6) → 1-((2S,3S,4aR,8aS)-3-{(2R,4aR,6S,7R,8aS)-6-[2-(tert-Butyl-diphenyl-silanyloxy)-ethyl]-4a,6-dimethyl-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-7-yloxy}-octahydro-pyrano[3,2-b]pyran-2-yl)-ethanone (874211-79-7)

Guidance literature:

With oxygen; copper(l) chloride; palladium dichloride; In water; N,N-dimethyl-formamide; at 30 ℃;

DOI:10.1016/j.tetlet.2005.10.136

Reference yield: 74.0%

1-((2S,3S,4aR,8aS)-3-{(2R,4aR,6S,7R,8aS)-6-[2-(tert-Butyl-diphenyl-silanyloxy)-ethyl]-4a,6-dimethyl-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-7-yloxy}-octahydro-pyrano[3,2-b]pyran-2-yl)-ethanone (874211-79-7) + methanol (67-56-1) + carbon monoxide (201230-82-2) → 2-((2R,3S,4aR,8aS)-3-{(2R,4aR,6S,7R,8aS)-6-[2-(tert-Butyl-diphenyl-silanyloxy)-ethyl]-4a,6-dimethyl-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-7-yloxy}-octahydro-pyrano[3,2-b]pyran-2-yl)-acrylic acid methyl ester (874211-83-3)

Guidance literature:

1-((2S,3S,4aR,8aS)-3-{(2R,4aR,6S,7R,8aS)-6-[2-(tert-Butyl-diphenyl-silanyloxy)-ethyl]-4a,6-dimethyl-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-7-yloxy}-octahydro-pyrano[3,2-b]pyran-2-yl)-ethanone; With 1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone; N,N-phenylbistrifluoromethane-sulfonimide; potassium hexamethylsilazane; In tetrahydrofuran; at -78 ℃;

methanol; carbon monoxide; tetrakis(triphenylphosphine) palladium⁽⁰⁾; In tetrahydrofuran; N,N-dimethyl-formamide; at 20 ℃;

DOI:10.1016/j.tetlet.2005.10.136

Reference yield:

1-((2S,3S,4aR,8aS)-3-{(2R,4aR,6S,7R,8aS)-6-[2-(tert-Butyl-diphenyl-silanyloxy)-ethyl]-4a,6-dimethyl-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-7-yloxy}-octahydro-pyrano[3,2-b]pyran-2-yl)-ethanone (874211-79-7) → 1-{(2S,3S,4aR,8aS)-3-[(2R,4aR,6S,7R,8aS)-6-(2-Hydroxy-ethyl)-4a,6-dimethyl-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-7-yloxy]-octahydro-pyrano[3,2-b]pyran-2-yl}-ethanone

Guidance literature:

With tetrabutyl ammonium fluoride; In tetrahydrofuran; at 20 ℃;

DOI:10.1016/j.tetlet.2005.10.136

upstream raw materials:

tert-Butyl-{2-[(2R,4aR,6S,7R,8aS)-4a,6-dimethyl-2-phenyl-7-((2R,3S,4aR,8aS)-2-vinyl-octahydro-pyrano[3,2-b]pyran-3-yloxy)-hexahydro-pyrano[3,2-d][1,3]dioxin-6-yl]-ethoxy}-diphenyl-silane

Downstream raw materials:

2-((2R,3S,4aR,8aS)-3-{(2R,4aR,6S,7R,8aS)-6-[2-(tert-Butyl-diphenyl-silanyloxy)-ethyl]-4a,6-dimethyl-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-7-yloxy}-octahydro-pyrano[3,2-b]pyran-2-yl)-acrylic acid methyl ester

(2R,4aR,6S,7R,8aS)-4a,6-Dimethyl-7-[(2R,3S,4aR,8aS)-2-((S)-1-methyl-allyl)-octahydro-pyrano[3,2-b]pyran-3-yloxy]-2-phenyl-6-vinyl-hexahydro-pyrano[3,2-d][1,3]dioxine

(2R,4aR,6S,7R,8aS)-6-Allyl-7-((2R,3S,4aR,8aS)-2-isopropenyl-octahydro-pyrano[3,2-b]pyran-3-yloxy)-4a,6-dimethyl-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxine

tert-Butyl-(2-{(2R,4aR,6S,7R,8aS)-4a,6-dimethyl-7-[(2R,3S,4aR,8aS)-2-((S)-1-methyl-allyl)-octahydro-pyrano[3,2-b]pyran-3-yloxy]-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-6-yl}-ethoxy)-diphenyl-silane

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