(1R,3S)-6-benzyloxymethyl-1-[(2R,3R,5R)-5-[(S)-1,2-bis-(tert-butyl-dimethyl-silanyloxy)-ethyl]-3-(tert-butyl-dimethyl-silanyloxy)-5-methyl-tetrahydro-furan-2-yl]-3-methyl-hept-6-ene-1,3-diol

Base Information

• Chemical Name: (1R,3S)-6-benzyloxymethyl-1-[(2R,3R,5R)-5-[(S)-1,2-bis-(tert-butyl-dimethyl-silanyloxy)-ethyl]-3-(tert-butyl-dimethyl-silanyloxy)-5-methyl-tetrahydro-furan-2-yl]-3-methyl-hept-6-ene-1,3-diol
• CAS No.: 1063693-65-1
• Molecular Formula: C₄₁H₇₈O₇Si₃
• Molecular Weight: 767.323
• Mol file: 1063693-65-1.mol

Synonyms:(1R,3S)-6-benzyloxymethyl-1-[(2R,3R,5R)-5-[(S)-1,2-bis-(tert-butyl-dimethyl-silanyloxy)-ethyl]-3-(tert-butyl-dimethyl-silanyloxy)-5-methyl-tetrahydro-furan-2-yl]-3-methyl-hept-6-ene-1,3-diol

Chemical Property of (1R,3S)-6-benzyloxymethyl-1-[(2R,3R,5R)-5-[(S)-1,2-bis-(tert-butyl-dimethyl-silanyloxy)-ethyl]-3-(tert-butyl-dimethyl-silanyloxy)-5-methyl-tetrahydro-furan-2-yl]-3-methyl-hept-6-ene-1,3-diol

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (1R,3S)-6-benzyloxymethyl-1-[(2R,3R,5R)-5-[(S)-1,2-bis-(tert-butyl-dimethyl-silanyloxy)-ethyl]-3-(tert-butyl-dimethyl-silanyloxy)-5-methyl-tetrahydro-furan-2-yl]-3-methyl-hept-6-ene-1,3-diol

There total 2 articles about (1R,3S)-6-benzyloxymethyl-1-[(2R,3R,5R)-5-[(S)-1,2-bis-(tert-butyl-dimethyl-silanyloxy)-ethyl]-3-(tert-butyl-dimethyl-silanyloxy)-5-methyl-tetrahydro-furan-2-yl]-3-methyl-hept-6-ene-1,3-diol 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: 91.0%

(R)-6-benzyloxymethyl-1-[(2R,3R,5R)-5-[(S)-1,2-bis-(tert-butyl-dimethyl-silanyloxy)-ethyl]-3-(tert-butyl-dimethyl-silanyloxy)-5-methyl-tetrahydro-furan-2-yl]-1-hydroxy-hept-6-en-3-one (1063694-11-0) + methyllithium (917-54-4) → (1R,3R)-6-benzyloxymethyl-1-[(2R,3R,5R)-5-[(S)-1,2-bis-(tert-butyl-dimethyl-silanyloxy)-ethyl]-3-(tert-butyl-dimethyl-silanyloxy)-5-methyl-tetrahydro-furan-2-yl]-3-methyl-hept-6-ene-1,3-diol + (1R,3S)-6-benzyloxymethyl-1-[(2R,3R,5R)-5-[(S)-1,2-bis-(tert-butyl-dimethyl-silanyloxy)-ethyl]-3-(tert-butyl-dimethyl-silanyloxy)-5-methyl-tetrahydro-furan-2-yl]-3-methyl-hept-6-ene-1,3-diol (1063693-65-1)

Guidance literature:

methyllithium; With titanium(IV) isopropylate; titanium tetrachloride; In diethyl ether; at 0 ℃; Inert atmosphere;

(R)-6-benzyloxymethyl-1-[(2R,3R,5R)-5-[(S)-1,2-bis-(tert-butyl-dimethyl-silanyloxy)-ethyl]-3-(tert-butyl-dimethyl-silanyloxy)-5-methyl-tetrahydro-furan-2-yl]-1-hydroxy-hept-6-en-3-one; In diethyl ether; at -78 - 0 ℃; for 0.333333h; optical yield given as %de; diastereoselective reaction; Inert atmosphere;

DOI:10.1021/ol8015868

Reference yield:

(R)-6-benzyloxymethyl-1-[(2R,3R,5R)-5-[(S)-1,2-bis-(tert-butyl-dimethyl-silanyloxy)-ethyl]-3-(tert-butyl-dimethyl-silanyloxy)-5-methyl-tetrahydro-furan-2-yl]-1-hydroxy-hept-6-en-3-one (1063694-11-0) + methylmagnesium bromide (75-16-1) → (1R,3R)-6-benzyloxymethyl-1-[(2R,3R,5R)-5-[(S)-1,2-bis-(tert-butyl-dimethyl-silanyloxy)-ethyl]-3-(tert-butyl-dimethyl-silanyloxy)-5-methyl-tetrahydro-furan-2-yl]-3-methyl-hept-6-ene-1,3-diol + (1R,3S)-6-benzyloxymethyl-1-[(2R,3R,5R)-5-[(S)-1,2-bis-(tert-butyl-dimethyl-silanyloxy)-ethyl]-3-(tert-butyl-dimethyl-silanyloxy)-5-methyl-tetrahydro-furan-2-yl]-3-methyl-hept-6-ene-1,3-diol (1063693-65-1)

Guidance literature:

methylmagnesium bromide; With titanium(IV) isopropylate; titanium tetrachloride; In tetrahydrofuran; diethyl ether; at 0 ℃; for 1h; Inert atmosphere;

(R)-6-benzyloxymethyl-1-[(2R,3R,5R)-5-[(S)-1,2-bis-(tert-butyl-dimethyl-silanyloxy)-ethyl]-3-(tert-butyl-dimethyl-silanyloxy)-5-methyl-tetrahydro-furan-2-yl]-1-hydroxy-hept-6-en-3-one; In tetrahydrofuran; diethyl ether; at -78 - 0 ℃; for 0.666667h; optical yield given as %de; diastereoselective reaction; Inert atmosphere;

DOI:10.1021/ol8015868

Reference yield: 91.0%

(1R,3S)-6-benzyloxymethyl-1-[(2R,3R,5R)-5-[(S)-1,2-bis-(tert-butyl-dimethyl-silanyloxy)-ethyl]-3-(tert-butyl-dimethyl-silanyloxy)-5-methyl-tetrahydro-furan-2-yl]-3-methyl-hept-6-ene-1,3-diol (1063693-65-1) → (1S,3R,5S)-1-benzyloxymethyl-3-[(2R,3R,5R)-5-[(S)-1,2-bis-(tert-butyl-dimethyl-silanyloxy)-ethyl]-3-(tert-butyl-dimethyl-silanyloxy)-5-methyl-tetrahydro-furan-2-yl]-5-methyl-2,8-dioxa-bicyclo[3.2.1]octane (1063713-63-2)

Guidance literature:

(1R,3S)-6-benzyloxymethyl-1-[(2R,3R,5R)-5-[(S)-1,2-bis-(tert-butyl-dimethyl-silanyloxy)-ethyl]-3-(tert-butyl-dimethyl-silanyloxy)-5-methyl-tetrahydro-furan-2-yl]-3-methyl-hept-6-ene-1,3-diol; With ozone; In dichloromethane; at -78 ℃;

With dimethylsulfide; In dichloromethane; at -78 - 20 ℃; for 3h;

DOI:10.1021/ol801585j

upstream raw materials:

(R)-6-benzyloxymethyl-1-[(2R,3R,5R)-5-[(S)-1,2-bis-(tert-butyl-dimethyl-silanyloxy)-ethyl]-3-(tert-butyl-dimethyl-silanyloxy)-5-methyl-tetrahydro-furan-2-yl]-1-hydroxy-hept-6-en-3-one

methylmagnesium bromide

methyllithium

Downstream raw materials:

(1S,3R,5S)-1-benzyloxymethyl-3-[(2R,3R,5R)-5-[(S)-1,2-bis-(tert-butyl-dimethyl-silanyloxy)-ethyl]-3-(tert-butyl-dimethyl-silanyloxy)-5-methyl-tetrahydro-furan-2-yl]-5-methyl-2,8-dioxa-bicyclo[3.2.1]octane