(E)-(R)-1-[(2R,3S)-9-Benzyloxy-4-(tert-butyl-dimethyl-silanyloxy)-6,7-dimethoxy-2,3,8-trimethyl-2,3-dihydro-naphtho[1,2-b]furan-3-yl]-5-(tert-butyl-dimethyl-silanyloxy)-4-methyl-pent-3-en-1-ol

Base Information

Chemical Name:(E)-(R)-1-[(2R,3S)-9-Benzyloxy-4-(tert-butyl-dimethyl-silanyloxy)-6,7-dimethoxy-2,3,8-trimethyl-2,3-dihydro-naphtho[1,2-b]furan-3-yl]-5-(tert-butyl-dimethyl-silanyloxy)-4-methyl-pent-3-en-1-ol
CAS No.:217486-64-1
Molecular Formula:C₄₂H₆₄O₇Si₂
Molecular Weight:737.137
Hs Code.:

(E)-(R)-1-[(2R,3S)-9-Benzyloxy-4-(tert-butyl-dimethyl-silanyloxy)-6,7-dimethoxy-2,3,8-trimethyl-2,3-dihydro-naphtho[1,2-b]furan-3-yl]-5-(tert-butyl-dimethyl-silanyloxy)-4-methyl-pent-3-en-1-ol

Synonyms:(E)-(R)-1-[(2R,3S)-9-Benzyloxy-4-(tert-butyl-dimethyl-silanyloxy)-6,7-dimethoxy-2,3,8-trimethyl-2,3-dihydro-naphtho[1,2-b]furan-3-yl]-5-(tert-butyl-dimethyl-silanyloxy)-4-methyl-pent-3-en-1-ol

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Chemical Property of (E)-(R)-1-[(2R,3S)-9-Benzyloxy-4-(tert-butyl-dimethyl-silanyloxy)-6,7-dimethoxy-2,3,8-trimethyl-2,3-dihydro-naphtho[1,2-b]furan-3-yl]-5-(tert-butyl-dimethyl-silanyloxy)-4-methyl-pent-3-en-1-ol

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Technology Process of (E)-(R)-1-[(2R,3S)-9-Benzyloxy-4-(tert-butyl-dimethyl-silanyloxy)-6,7-dimethoxy-2,3,8-trimethyl-2,3-dihydro-naphtho[1,2-b]furan-3-yl]-5-(tert-butyl-dimethyl-silanyloxy)-4-methyl-pent-3-en-1-ol

There total 8 articles about (E)-(R)-1-[(2R,3S)-9-Benzyloxy-4-(tert-butyl-dimethyl-silanyloxy)-6,7-dimethoxy-2,3,8-trimethyl-2,3-dihydro-naphtho[1,2-b]furan-3-yl]-5-(tert-butyl-dimethyl-silanyloxy)-4-methyl-pent-3-en-1-ol 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:

: 69739-34-0
t-butyldimethylsiyl triflate

: (E)-(R)-5-((2R,3S)-9-Benzyloxy-4-hydroxy-6,7-dimethoxy-2,3,8-trimethyl-2,3-dihydro-naphtho[1,2-b]furan-3-yl)-2-methyl-pent-2-ene-1,5-diol

: 217486-64-1
(E)-(R)-1-[(2R,3S)-9-Benzyloxy-4-(tert-butyl-dimethyl-silanyloxy)-6,7-dimethoxy-2,3,8-trimethyl-2,3-dihydro-naphtho[1,2-b]furan-3-yl]-5-(tert-butyl-dimethyl-silanyloxy)-4-methyl-pent-3-en-1-ol

Guidance literature:: With triethylamine; In dichloromethane; at -78 ℃; for 1.5h; Yield given;
DOI:10.1021/ja982403t

Reference yield:

: 217486-32-3
(2R,3R)-9-Benzyloxy-6,7-dimethoxy-4-(2-methoxy-ethoxymethoxy)-2,3,8-trimethyl-2,3-dihydro-naphtho[1,2-b]furan-3-carbaldehyde

: 217486-64-1
(E)-(R)-1-[(2R,3S)-9-Benzyloxy-4-(tert-butyl-dimethyl-silanyloxy)-6,7-dimethoxy-2,3,8-trimethyl-2,3-dihydro-naphtho[1,2-b]furan-3-yl]-5-(tert-butyl-dimethyl-silanyloxy)-4-methyl-pent-3-en-1-ol

Guidance literature:: Multi-step reaction with 4 steps

1: 1.) NaH / 1.) hexane, DMSO, RT, 40 min, 2.) hexane, DMSO, RT, 6 d

2: 1.) n-BuLi, 2.) BF₃*OEt₂ / 1.) THF, hexane, -78 deg C, 3 h, 2.) THF, hexane, -78 deg C, 5 h

3: 1 M aq. H₂SO₄ / 1,2-dimethoxy-ethane / 3 h / 75 °C

4: Et₃N / CH₂Cl₂ / 1.5 h / -78 °C

With n-butyllithium; sulfuric acid; boron trifluoride diethyl etherate; sodium hydride; triethylamine; In 1,2-dimethoxyethane; dichloromethane;
DOI:10.1021/ja982403t

Reference yield:

: 217486-38-9
(2R,3R)-9-Benzyloxy-6,7-dimethoxy-4-(2-methoxy-ethoxymethoxy)-2,3,8-trimethyl-3-(S)-oxiranyl-2,3-dihydro-naphtho[1,2-b]furan

: 217486-64-1
(E)-(R)-1-[(2R,3S)-9-Benzyloxy-4-(tert-butyl-dimethyl-silanyloxy)-6,7-dimethoxy-2,3,8-trimethyl-2,3-dihydro-naphtho[1,2-b]furan-3-yl]-5-(tert-butyl-dimethyl-silanyloxy)-4-methyl-pent-3-en-1-ol

Guidance literature:: Multi-step reaction with 3 steps

1: 1.) n-BuLi, 2.) BF₃*OEt₂ / 1.) THF, hexane, -78 deg C, 3 h, 2.) THF, hexane, -78 deg C, 5 h

2: 1 M aq. H₂SO₄ / 1,2-dimethoxy-ethane / 3 h / 75 °C

3: Et₃N / CH₂Cl₂ / 1.5 h / -78 °C

With n-butyllithium; sulfuric acid; boron trifluoride diethyl etherate; triethylamine; In 1,2-dimethoxyethane; dichloromethane;
DOI:10.1021/ja982403t