((2R,4R,6R)-4-(tert-Butyl-diphenyl-silanyloxy)-6-{(S)-3-[(2R,3S,6S)-6-((E)-(R)-2-hydroxy-6-methyl-hept-3-enyl)-3-methyl-tetrahydro-pyran-2-yl]-2-methoxy-propyl}-tetrahydro-pyran-2-yl)-acetic acid methyl ester

Base Information

Chemical Name:((2R,4R,6R)-4-(tert-Butyl-diphenyl-silanyloxy)-6-{(S)-3-[(2R,3S,6S)-6-((E)-(R)-2-hydroxy-6-methyl-hept-3-enyl)-3-methyl-tetrahydro-pyran-2-yl]-2-methoxy-propyl}-tetrahydro-pyran-2-yl)-acetic acid methyl ester
CAS No.:321667-25-8
Molecular Formula:C₄₂H₆₄O₇Si
Molecular Weight:709.051
Hs Code.:

((2R,4R,6R)-4-(tert-Butyl-diphenyl-silanyloxy)-6-{(S)-3-[(2R,3S,6S)-6-((E)-(R)-2-hydroxy-6-methyl-hept-3-enyl)-3-methyl-tetrahydro-pyran-2-yl]-2-methoxy-propyl}-tetrahydro-pyran-2-yl)-acetic acid methyl ester

Synonyms:((2R,4R,6R)-4-(tert-Butyl-diphenyl-silanyloxy)-6-{(S)-3-[(2R,3S,6S)-6-((E)-(R)-2-hydroxy-6-methyl-hept-3-enyl)-3-methyl-tetrahydro-pyran-2-yl]-2-methoxy-propyl}-tetrahydro-pyran-2-yl)-acetic acid methyl ester

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Chemical Property of ((2R,4R,6R)-4-(tert-Butyl-diphenyl-silanyloxy)-6-{(S)-3-[(2R,3S,6S)-6-((E)-(R)-2-hydroxy-6-methyl-hept-3-enyl)-3-methyl-tetrahydro-pyran-2-yl]-2-methoxy-propyl}-tetrahydro-pyran-2-yl)-acetic acid methyl ester

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Technology Process of ((2R,4R,6R)-4-(tert-Butyl-diphenyl-silanyloxy)-6-{(S)-3-[(2R,3S,6S)-6-((E)-(R)-2-hydroxy-6-methyl-hept-3-enyl)-3-methyl-tetrahydro-pyran-2-yl]-2-methoxy-propyl}-tetrahydro-pyran-2-yl)-acetic acid methyl ester

There total 3 articles about ((2R,4R,6R)-4-(tert-Butyl-diphenyl-silanyloxy)-6-{(S)-3-[(2R,3S,6S)-6-((E)-(R)-2-hydroxy-6-methyl-hept-3-enyl)-3-methyl-tetrahydro-pyran-2-yl]-2-methoxy-propyl}-tetrahydro-pyran-2-yl)-acetic acid methyl ester 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:

: 7154-75-8
4-methylpentyne

: 321667-23-6
((2R,4R,6R)-4-(tert-Butyl-diphenyl-silanyloxy)-6-{(S)-2-methoxy-3-[(2R,3S,6S)-3-methyl-6-(2-oxo-ethyl)-tetrahydro-pyran-2-yl]-propyl}-tetrahydro-pyran-2-yl)-acetic acid methyl ester

: ((2R,4R,6R)-4-(tert-Butyl-diphenyl-silanyloxy)-6-{(S)-3-[(2R,3S,6S)-6-((E)-(S)-2-hydroxy-6-methyl-hept-3-enyl)-3-methyl-tetrahydro-pyran-2-yl]-2-methoxy-propyl}-tetrahydro-pyran-2-yl)-acetic acid methyl ester

: 321667-25-8
((2R,4R,6R)-4-(tert-Butyl-diphenyl-silanyloxy)-6-{(S)-3-[(2R,3S,6S)-6-((E)-(R)-2-hydroxy-6-methyl-hept-3-enyl)-3-methyl-tetrahydro-pyran-2-yl]-2-methoxy-propyl}-tetrahydro-pyran-2-yl)-acetic acid methyl ester

Guidance literature:: 4-methylpentyne; With dimethylsulfide borane complex; cyclohexene; In hexane; at 20 ℃; for 1h;

With titanium(IV) isopropylate; N,N-dibutylaminoethanol; diethylzinc; In hexane; toluene; at 50 ℃; for 0.5h;

((2R,4R,6R)-4-(tert-Butyl-diphenyl-silanyloxy)-6-{(S)-2-methoxy-3-[(2R,3S,6S)-3-methyl-6-(2-oxo-ethyl)-tetrahydro-pyran-2-yl]-propyl}-tetrahydro-pyran-2-yl)-acetic acid methyl ester; In hexane; toluene; at -20 ℃; for 20h; Further stages.;
DOI:10.1021/ja003593m

Reference yield:

: 321667-21-4
[(2R,4R,6R)-6-[(S)-3-((2R,3S,6S)-6-Allyl-3-methyl-tetrahydro-pyran-2-yl)-2-methoxy-propyl]-4-(tert-butyl-diphenyl-silanyloxy)-tetrahydro-pyran-2-yl]-acetic acid methyl ester

: 321667-25-8
((2R,4R,6R)-4-(tert-Butyl-diphenyl-silanyloxy)-6-{(S)-3-[(2R,3S,6S)-6-((E)-(R)-2-hydroxy-6-methyl-hept-3-enyl)-3-methyl-tetrahydro-pyran-2-yl]-2-methoxy-propyl}-tetrahydro-pyran-2-yl)-acetic acid methyl ester

Guidance literature:: Multi-step reaction with 2 steps

1.1: O₃ / CH₂Cl₂ / -78 °C

1.2: 93 percent / PPh₃ / CH₂Cl₂ / 16 h / 20 °C

2.1: BH₃*SMe₂; cyclohexene / hexane / 1 h / 20 °C

2.2: Et₂Zn; Ti(O-i-Pr)4; N,N-dibutylaminoethanol / hexane; toluene / 0.5 h / 50 °C

2.3: hexane; toluene / 20 h / -20 °C

With dimethylsulfide borane complex; ozone; cyclohexene; In hexane; dichloromethane;
DOI:10.1021/ja003593m

Reference yield:

: 321667-19-0
[(2R,4R,6R)-6-[(S)-3-((2R,3S,6S)-6-Allyl-3-methyl-tetrahydro-pyran-2-yl)-2-hydroxy-propyl]-4-(tert-butyl-diphenyl-silanyloxy)-tetrahydro-pyran-2-yl]-acetic acid methyl ester

: 321667-25-8
((2R,4R,6R)-4-(tert-Butyl-diphenyl-silanyloxy)-6-{(S)-3-[(2R,3S,6S)-6-((E)-(R)-2-hydroxy-6-methyl-hept-3-enyl)-3-methyl-tetrahydro-pyran-2-yl]-2-methoxy-propyl}-tetrahydro-pyran-2-yl)-acetic acid methyl ester

Guidance literature:: Multi-step reaction with 3 steps

1.1: 96 percent / 4 Angstroem molecular sieves; Proton Sponge (R) / CH₂Cl₂ / 0.83 h

2.1: O₃ / CH₂Cl₂ / -78 °C

2.2: 93 percent / PPh₃ / CH₂Cl₂ / 16 h / 20 °C

3.1: BH₃*SMe₂; cyclohexene / hexane / 1 h / 20 °C

3.2: Et₂Zn; Ti(O-i-Pr)4; N,N-dibutylaminoethanol / hexane; toluene / 0.5 h / 50 °C

3.3: hexane; toluene / 20 h / -20 °C

With Proton Sponge; dimethylsulfide borane complex; 4 A molecular sieve; ozone; cyclohexene; In hexane; dichloromethane;
DOI:10.1021/ja003593m