(1RS,4RS,5SR,6SR,7RS)-7-endo-(benzyloxy)-4-exo-<(benzyloxy)methyl>-4-endo-methyl-6-exo-<<(t-butyl)dimethylsilyl>oxy>-2,8-dioxabicyclo<3.2.1>octan-3-one

Base Information

Chemical Name:(1RS,4RS,5SR,6SR,7RS)-7-endo-(benzyloxy)-4-exo-<(benzyloxy)methyl>-4-endo-methyl-6-exo-<<(t-butyl)dimethylsilyl>oxy>-2,8-dioxabicyclo<3.2.1>octan-3-one
CAS No.:139391-40-5
Molecular Formula:C₂₈H₃₈O₆Si
Molecular Weight:498.692
Hs Code.:

(1RS,4RS,5SR,6SR,7RS)-7-endo-(benzyloxy)-4-exo-<(benzyloxy)methyl>-4-endo-methyl-6-exo-<<(t-butyl)dimethylsilyl>oxy>-2,8-dioxabicyclo<3.2.1>octan-3-one

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Chemical Property of (1RS,4RS,5SR,6SR,7RS)-7-endo-(benzyloxy)-4-exo-<(benzyloxy)methyl>-4-endo-methyl-6-exo-<<(t-butyl)dimethylsilyl>oxy>-2,8-dioxabicyclo<3.2.1>octan-3-one

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Technology Process of (1RS,4RS,5SR,6SR,7RS)-7-endo-(benzyloxy)-4-exo-<(benzyloxy)methyl>-4-endo-methyl-6-exo-<<(t-butyl)dimethylsilyl>oxy>-2,8-dioxabicyclo<3.2.1>octan-3-one

There total 5 articles about (1RS,4RS,5SR,6SR,7RS)-7-endo-(benzyloxy)-4-exo-<(benzyloxy)methyl>-4-endo-methyl-6-exo-<<(t-butyl)dimethylsilyl>oxy>-2,8-dioxabicyclo<3.2.1>octan-3-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:

: 115140-20-0,129829-54-5,139342-54-4
(+/-)-(1R,4R,5R,6S)-6-endo-(benzyloxy)-5-exo-hydroxy-7-oxabicyclo<2.2.1>heptan-2-one

: 139391-40-5
(1RS,4RS,5SR,6SR,7RS)-7-endo-(benzyloxy)-4-exo-<(benzyloxy)methyl>-4-endo-methyl-6-exo-<<(t-butyl)dimethylsilyl>oxy>-2,8-dioxabicyclo<3.2.1>octan-3-one

Guidance literature:: Multi-step reaction with 4 steps

1: imidazole / dimethylformamide / 1 h / 20 °C

2: 80percent m-chloroperbenzoic acid, NaHCO₃ / CH₂Cl₂ / 15 h / 20 °C

3: 1) LiN(SiMe₃)2 / 1) hexane, THF, -65 deg C, 30 min 2) -65 deg C, 5 min

4: 1) LiN(SiMe₃)2 / 1) hexane, THF, -65 deg C, 150 min, 2) up to 10 deg C, 30 min

With 1H-imidazole; sodium hydrogencarbonate; 3-chloro-benzenecarboperoxoic acid; lithium hexamethyldisilazane; In dichloromethane; N,N-dimethyl-formamide;
DOI:10.1016/S0040-4020(01)91030-0

Reference yield:

: 139391-31-4,139491-27-3
(1RS,4RS,5RS,6SR)-6-endo-(benzyloxy)-5-exo-{[(t-butyl)dimethylsilyl]oxy}-7-oxabicyclo[2.2.1]heptan-2-one

: 139391-40-5
(1RS,4RS,5SR,6SR,7RS)-7-endo-(benzyloxy)-4-exo-<(benzyloxy)methyl>-4-endo-methyl-6-exo-<<(t-butyl)dimethylsilyl>oxy>-2,8-dioxabicyclo<3.2.1>octan-3-one

Guidance literature:: Multi-step reaction with 3 steps

1: 80percent m-chloroperbenzoic acid, NaHCO₃ / CH₂Cl₂ / 15 h / 20 °C

2: 1) LiN(SiMe₃)2 / 1) hexane, THF, -65 deg C, 30 min 2) -65 deg C, 5 min

3: 1) LiN(SiMe₃)2 / 1) hexane, THF, -65 deg C, 150 min, 2) up to 10 deg C, 30 min

With sodium hydrogencarbonate; 3-chloro-benzenecarboperoxoic acid; lithium hexamethyldisilazane; In dichloromethane;
DOI:10.1016/S0040-4020(01)91030-0

Reference yield:

: 18162-48-6
tert-butyldimethylsilyl chloride

: 139391-40-5
(1RS,4RS,5SR,6SR,7RS)-7-endo-(benzyloxy)-4-exo-<(benzyloxy)methyl>-4-endo-methyl-6-exo-<<(t-butyl)dimethylsilyl>oxy>-2,8-dioxabicyclo<3.2.1>octan-3-one

Guidance literature:: Multi-step reaction with 4 steps

1: imidazole / dimethylformamide / 1 h / 20 °C

2: 80percent m-chloroperbenzoic acid, NaHCO₃ / CH₂Cl₂ / 15 h / 20 °C

3: 1) LiN(SiMe₃)2 / 1) hexane, THF, -65 deg C, 30 min 2) -65 deg C, 5 min

4: 1) LiN(SiMe₃)2 / 1) hexane, THF, -65 deg C, 150 min, 2) up to 10 deg C, 30 min

With 1H-imidazole; sodium hydrogencarbonate; 3-chloro-benzenecarboperoxoic acid; lithium hexamethyldisilazane; In dichloromethane; N,N-dimethyl-formamide;
DOI:10.1016/S0040-4020(01)91030-0