Acetic acid (2R,3S,4R,6S)-2-allyl-6-(3-benzyloxy-propyl)-4-(4-methoxy-benzyloxy)-3-methyl-tetrahydro-pyran-3-yl ester

Base Information

Chemical Name:Acetic acid (2R,3S,4R,6S)-2-allyl-6-(3-benzyloxy-propyl)-4-(4-methoxy-benzyloxy)-3-methyl-tetrahydro-pyran-3-yl ester
CAS No.:365212-79-9
Molecular Formula:C₂₉H₃₈O₆
Molecular Weight:482.617
Hs Code.:

Synonyms:Acetic acid (2R,3S,4R,6S)-2-allyl-6-(3-benzyloxy-propyl)-4-(4-methoxy-benzyloxy)-3-methyl-tetrahydro-pyran-3-yl ester

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Chemical Property of Acetic acid (2R,3S,4R,6S)-2-allyl-6-(3-benzyloxy-propyl)-4-(4-methoxy-benzyloxy)-3-methyl-tetrahydro-pyran-3-yl ester

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Technology Process of Acetic acid (2R,3S,4R,6S)-2-allyl-6-(3-benzyloxy-propyl)-4-(4-methoxy-benzyloxy)-3-methyl-tetrahydro-pyran-3-yl ester

There total 10 articles about Acetic acid (2R,3S,4R,6S)-2-allyl-6-(3-benzyloxy-propyl)-4-(4-methoxy-benzyloxy)-3-methyl-tetrahydro-pyran-3-yl 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: 85.0%

: 108-24-7
acetic anhydride

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

: 365212-79-9
Acetic acid (2R,3S,4R,6S)-2-allyl-6-(3-benzyloxy-propyl)-4-(4-methoxy-benzyloxy)-3-methyl-tetrahydro-pyran-3-yl ester

Guidance literature:: With N-ethyl-N,N-diisopropylamine;
DOI:10.1002/chem.200500993

Reference yield:

: 5470-84-8
4-benzyloxybutanal

: 365212-79-9
Acetic acid (2R,3S,4R,6S)-2-allyl-6-(3-benzyloxy-propyl)-4-(4-methoxy-benzyloxy)-3-methyl-tetrahydro-pyran-3-yl ester

Guidance literature:: Multi-step reaction with 5 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

5.1: 78 percent / i-Pr₂NEt; DMAP / CH₂Cl₂ / 50 h / 20 °C

With dmap; cerium(III) chloride; 4 A molecular sieve; 3,3-dimethyldioxirane; sodium hydride; N-ethyl-N,N-diisopropylamine; (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

: 365212-79-9
Acetic acid (2R,3S,4R,6S)-2-allyl-6-(3-benzyloxy-propyl)-4-(4-methoxy-benzyloxy)-3-methyl-tetrahydro-pyran-3-yl ester

Guidance literature:: Multi-step reaction with 5 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

5.1: 78 percent / i-Pr₂NEt; DMAP / CH₂Cl₂ / 50 h / 20 °C

With dmap; cerium(III) chloride; 4 A molecular sieve; 3,3-dimethyldioxirane; sodium hydride; N-ethyl-N,N-diisopropylamine; (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