<2R<2α(1S,2R),3β,6β>>-6-<(3,4-dimethoxyphenyl)methoxy>-2-<4-(1,3-dioxolan-2-yl)-1-methyl-2-<(phenylmethoxy)methoxy>butyl>-3,6-dihydro-3,5-dimethyl-2H-pyran

Base Information

Chemical Name:<2R<2α(1S*,2R*),3β,6β>>-6-<(3,4-dimethoxyphenyl)methoxy>-2-<4-(1,3-dioxolan-2-yl)-1-methyl-2-<(phenylmethoxy)methoxy>butyl>-3,6-dihydro-3,5-dimethyl-2H-pyran
CAS No.:106734-77-4
Molecular Formula:C₃₂H₄₄O₈
Molecular Weight:556.697
Hs Code.:

Synonyms:<2R<2α(1S*,2R*),3β,6β>>-6-<(3,4-dimethoxyphenyl)methoxy>-2-<4-(1,3-dioxolan-2-yl)-1-methyl-2-<(phenylmethoxy)methoxy>butyl>-3,6-dihydro-3,5-dimethyl-2H-pyran

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Chemical Property of <2R<2α(1S*,2R*),3β,6β>>-6-<(3,4-dimethoxyphenyl)methoxy>-2-<4-(1,3-dioxolan-2-yl)-1-methyl-2-<(phenylmethoxy)methoxy>butyl>-3,6-dihydro-3,5-dimethyl-2H-pyran

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Technology Process of <2R<2α(1S*,2R*),3β,6β>>-6-<(3,4-dimethoxyphenyl)methoxy>-2-<4-(1,3-dioxolan-2-yl)-1-methyl-2-<(phenylmethoxy)methoxy>butyl>-3,6-dihydro-3,5-dimethyl-2H-pyran

There total 8 articles about <2R<2α(1S*,2R*),3β,6β>>-6-<(3,4-dimethoxyphenyl)methoxy>-2-<4-(1,3-dioxolan-2-yl)-1-methyl-2-<(phenylmethoxy)methoxy>butyl>-3,6-dihydro-3,5-dimethyl-2H-pyran 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:

: 106734-75-2
<2S<2α(1R*,2S*),3β>>-2-<4-(1,3-dioxolan-2yl)-1-methyl-2-<(phenylmethoxy)methoxy>butyl>-2,3-dihydro-3,5-dimethyl-4H-pyran-4-one

: 106734-77-4
<2R<2α(1S*,2R*),3β,6β>>-6-<(3,4-dimethoxyphenyl)methoxy>-2-<4-(1,3-dioxolan-2-yl)-1-methyl-2-<(phenylmethoxy)methoxy>butyl>-3,6-dihydro-3,5-dimethyl-2H-pyran

Guidance literature:: Multi-step reaction with 2 steps

1: NaBH₄-CeCl₃

2: p-TsOH / benzene

With sodium tetrahydroborate; cerium(III) chloride; toluene-4-sulfonic acid; In benzene;
DOI:10.1021/ja00239a049

Reference yield:

: 106734-76-3
(2R,3R,4R)-2-((1S,2R)-2-Benzyloxymethoxy-4-[1,3]dioxolan-2-yl-1-methyl-butyl)-3,5-dimethyl-3,4-dihydro-2H-pyran-4-ol

: 93-03-8
(3,4-dimethoxyphenyl)methanol

: 106734-77-4
<2R<2α(1S*,2R*),3β,6β>>-6-<(3,4-dimethoxyphenyl)methoxy>-2-<4-(1,3-dioxolan-2-yl)-1-methyl-2-<(phenylmethoxy)methoxy>butyl>-3,6-dihydro-3,5-dimethyl-2H-pyran

Guidance literature:: With toluene-4-sulfonic acid; In benzene; for 1h; Yield given; Ambient temperature;
DOI:10.1021/ja00221a043

Reference yield:

: 3587-60-8
Benzyloxymethyl chloride

: 106734-77-4
<2R<2α(1S*,2R*),3β,6β>>-6-<(3,4-dimethoxyphenyl)methoxy>-2-<4-(1,3-dioxolan-2-yl)-1-methyl-2-<(phenylmethoxy)methoxy>butyl>-3,6-dihydro-3,5-dimethyl-2H-pyran

Guidance literature:: Multi-step reaction with 5 steps

1: 91 percent / diisopropylamine / 16 h / Ambient temperature

2: 1.) ozone, sodium bicarbonate; 2.) dimethyl sulfide, Zn, AcOH / 1.) CH₂Cl₂, CH₃OH, -78 deg C, 20 min; 2.) room temp.

3: 80 percent / MgBr₂*OEt₂ / CH₂Cl₂; diethyl ether; benzene / 5 h / -65 deg C then to 0 deg C

4: CeCl₃*7H₂O, NaBH₄ / ethanol; CH₂Cl₂ / -78 °C

5: p-TsOH / benzene / 1 h / Ambient temperature

With sodium tetrahydroborate; cerium(III) chloride; dimethylsulfide; sodium hydrogencarbonate; toluene-4-sulfonic acid; ozone; acetic acid; diisopropylamine; magnesium bromide; zinc; In diethyl ether; ethanol; dichloromethane; benzene;
DOI:10.1021/ja00221a043