2-allyl-6-(3-benzyloxy-propyl)-4-(4-methoxy-benzyloxy)-3-methyl-tetrahydro-pyran-3-ol

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Chemical Name:2-allyl-6-(3-benzyloxy-propyl)-4-(4-methoxy-benzyloxy)-3-methyl-tetrahydro-pyran-3-ol
CAS No.:365212-88-0
Molecular Formula:C₂₇H₃₆O₅
Molecular Weight:440.58
Hs Code.:

Synonyms:2-allyl-6-(3-benzyloxy-propyl)-4-(4-methoxy-benzyloxy)-3-methyl-tetrahydro-pyran-3-ol

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Chemical Property of 2-allyl-6-(3-benzyloxy-propyl)-4-(4-methoxy-benzyloxy)-3-methyl-tetrahydro-pyran-3-ol

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Technology Process of 2-allyl-6-(3-benzyloxy-propyl)-4-(4-methoxy-benzyloxy)-3-methyl-tetrahydro-pyran-3-ol

There total 10 articles about 2-allyl-6-(3-benzyloxy-propyl)-4-(4-methoxy-benzyloxy)-3-methyl-tetrahydro-pyran-3-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: 65.0%

: 2622-05-1
allylmagnesium bromide

: 365212-78-8
(2S,4R)-2-(3-Benzyloxy-propyl)-4-(4-methoxy-benzyloxy)-5-methyl-3,4-dihydro-2H-pyran

: 365212-88-0
2-allyl-6-(3-benzyloxy-propyl)-4-(4-methoxy-benzyloxy)-3-methyl-tetrahydro-pyran-3-ol

Guidance literature:: (2S,4R)-2-(3-Benzyloxy-propyl)-4-(4-methoxy-benzyloxy)-5-methyl-3,4-dihydro-2H-pyran; With 3,3-dimethyldioxirane; In dichloromethane; acetone; at -60 - 20 ℃;

allylmagnesium bromide; In tetrahydrofuran; at 0 - 20 ℃; Further stages.;
DOI:10.1021/ol016434w

Reference yield:

: 5470-84-8
4-benzyloxybutanal

: 365212-88-0
2-allyl-6-(3-benzyloxy-propyl)-4-(4-methoxy-benzyloxy)-3-methyl-tetrahydro-pyran-3-ol

Guidance literature:: Multi-step reaction with 4 steps

1.1: 4 Angstroem molecular sieves / Jacobsen's tridentate Cr (III) catalyst / acetone / 52 h / 20 °C

1.2: TFA / CH₂Cl₂; acetone / 1 h / 0 °C

2.1: CeCl₃*7H₂O / ethanol / 0.33 h / 20 °C

2.2: NaBH₄ / ethanol / 2 h / -60 - 20 °C

3.1: NaH / dimethylformamide / 0.5 h / 0 °C

3.2: 97 percent / dimethylformamide / 4 h / 20 °C

4.1: dimethyldioxirane / CH₂Cl₂; acetone / -60 - 20 °C

4.2: 65 percent / tetrahydrofuran / 0 - 20 °C

With cerium(III) chloride; 4 A molecular sieve; 3,3-dimethyldioxirane; sodium hydride; (1R,2R)-(-)-[1,2-cyclohexanediamine-N,N’-bis(3,5-di-tertbutylsalicylidine)]chromium(III) chloride; In ethanol; dichloromethane; N,N-dimethyl-formamide; acetone;
DOI:10.1021/ol016434w

Reference yield:

: 72476-03-0
(E)-3-methyl-4-methoxy-2-[(trimethylsilyl)oxy]-1,3-butadiene

: 365212-88-0
2-allyl-6-(3-benzyloxy-propyl)-4-(4-methoxy-benzyloxy)-3-methyl-tetrahydro-pyran-3-ol

Guidance literature:: Multi-step reaction with 4 steps

1.1: 4 Angstroem molecular sieves / Jacobsen's tridentate Cr (III) catalyst / acetone / 52 h / 20 °C

1.2: TFA / CH₂Cl₂; acetone / 1 h / 0 °C

2.1: CeCl₃*7H₂O / ethanol / 0.33 h / 20 °C

2.2: NaBH₄ / ethanol / 2 h / -60 - 20 °C

3.1: NaH / dimethylformamide / 0.5 h / 0 °C

3.2: 97 percent / dimethylformamide / 4 h / 20 °C

4.1: dimethyldioxirane / CH₂Cl₂; acetone / -60 - 20 °C

4.2: 65 percent / tetrahydrofuran / 0 - 20 °C

With cerium(III) chloride; 4 A molecular sieve; 3,3-dimethyldioxirane; sodium hydride; (1R,2R)-(-)-[1,2-cyclohexanediamine-N,N’-bis(3,5-di-tertbutylsalicylidine)]chromium(III) chloride; In ethanol; dichloromethane; N,N-dimethyl-formamide; acetone;
DOI:10.1021/ol016434w