2-[(2R,6S)-6-((R)-2-Benzyloxy-pent-4-enyl)-tetrahydro-pyran-2-yl]-2-methyl-propionic acid methyl ester

Base Information

Chemical Name:2-[(2R,6S)-6-((R)-2-Benzyloxy-pent-4-enyl)-tetrahydro-pyran-2-yl]-2-methyl-propionic acid methyl ester
CAS No.:863662-27-5
Molecular Formula:C₂₂H₃₂O₄
Molecular Weight:360.494
Hs Code.:

Synonyms:2-[(2R,6S)-6-((R)-2-Benzyloxy-pent-4-enyl)-tetrahydro-pyran-2-yl]-2-methyl-propionic acid methyl ester

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Chemical Property of 2-[(2R,6S)-6-((R)-2-Benzyloxy-pent-4-enyl)-tetrahydro-pyran-2-yl]-2-methyl-propionic acid methyl ester

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Technology Process of 2-[(2R,6S)-6-((R)-2-Benzyloxy-pent-4-enyl)-tetrahydro-pyran-2-yl]-2-methyl-propionic acid methyl ester

There total 9 articles about 2-[(2R,6S)-6-((R)-2-Benzyloxy-pent-4-enyl)-tetrahydro-pyran-2-yl]-2-methyl-propionic 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: 100.0%

: 863659-97-6
2-[(2R,6S)-6-((R)-2-Hydroxy-pent-4-enyl)-tetrahydro-pyran-2-yl]-2-methyl-propionic acid methyl ester

: 100-39-0
benzyl bromide

: 863662-27-5
2-[(2R,6S)-6-((R)-2-Benzyloxy-pent-4-enyl)-tetrahydro-pyran-2-yl]-2-methyl-propionic acid methyl ester

Guidance literature:: With sodium hexamethyldisilazane; In tetrahydrofuran; N,N-dimethyl-formamide; at 20 ℃; for 12h;
DOI:10.1021/jo0507993

Reference yield:

: 863659-96-5
2-Methyl-2-[(2R,6S)-6-(2-oxo-ethyl)-tetrahydro-pyran-2-yl]-propionic acid methyl ester

: 863662-27-5
2-[(2R,6S)-6-((R)-2-Benzyloxy-pent-4-enyl)-tetrahydro-pyran-2-yl]-2-methyl-propionic acid methyl ester

Guidance literature:: Multi-step reaction with 2 steps

1.1: (+)-DIP-chloride / tetrahydrofuran / 2 h / -78 - 20 °C

1.2: 92 percent / NaOH; H₂O₂ / tetrahydrofuran / 0.17 h / 20 °C

2.1: 100 percent / NaHMDS / tetrahydrofuran; dimethylformamide / 12 h / 20 °C

With sodium hexamethyldisilazane; B-chlorodiisopinocampheylborane; In tetrahydrofuran; N,N-dimethyl-formamide; 1.1: Brown allylation;
DOI:10.1021/jo0507993

Reference yield:

: 863662-20-8
methyl 2-[(2R,6S)-tetrahydro-6-(2-hydroxyethyl)-2H-pyran-2-yl]-2-methylpropanoate

: 863662-27-5
2-[(2R,6S)-6-((R)-2-Benzyloxy-pent-4-enyl)-tetrahydro-pyran-2-yl]-2-methyl-propionic acid methyl ester

Guidance literature:: Multi-step reaction with 3 steps

1.1: 91 percent / sulfur trioxide; pyridine / dimethylsulfoxide; CH₂Cl₂ / 1 h / 0 °C

2.1: (+)-DIP-chloride / tetrahydrofuran / 2 h / -78 - 20 °C

2.2: 92 percent / NaOH; H₂O₂ / tetrahydrofuran / 0.17 h / 20 °C

3.1: 100 percent / NaHMDS / tetrahydrofuran; dimethylformamide / 12 h / 20 °C

With pyridine; sulfur trioxide; sodium hexamethyldisilazane; B-chlorodiisopinocampheylborane; In tetrahydrofuran; dichloromethane; dimethyl sulfoxide; N,N-dimethyl-formamide; 2.1: Brown allylation;
DOI:10.1021/jo0507993