(2E,7E)-(S)-5-(4-Methoxy-benzyloxy)-8-((S)-4-methyl-3,6-dihydro-2H-pyran-2-yl)-6-oxo-octa-2,7-dienoic acid methyl ester

Base Information

Chemical Name:(2E,7E)-(S)-5-(4-Methoxy-benzyloxy)-8-((S)-4-methyl-3,6-dihydro-2H-pyran-2-yl)-6-oxo-octa-2,7-dienoic acid methyl ester
CAS No.:849361-59-7
Molecular Formula:C₂₃H₂₈O₆
Molecular Weight:400.472
Hs Code.:

Synonyms:(2E,7E)-(S)-5-(4-Methoxy-benzyloxy)-8-((S)-4-methyl-3,6-dihydro-2H-pyran-2-yl)-6-oxo-octa-2,7-dienoic acid methyl ester

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Chemical Property of (2E,7E)-(S)-5-(4-Methoxy-benzyloxy)-8-((S)-4-methyl-3,6-dihydro-2H-pyran-2-yl)-6-oxo-octa-2,7-dienoic acid methyl ester

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Technology Process of (2E,7E)-(S)-5-(4-Methoxy-benzyloxy)-8-((S)-4-methyl-3,6-dihydro-2H-pyran-2-yl)-6-oxo-octa-2,7-dienoic acid methyl ester

There total 6 articles about (2E,7E)-(S)-5-(4-Methoxy-benzyloxy)-8-((S)-4-methyl-3,6-dihydro-2H-pyran-2-yl)-6-oxo-octa-2,7-dienoic 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:

: 847835-08-9
6-hydroxy-5-(4-methoxy-benzyloxy)-8-(4-methyl-3,6-dihydro-2H-pyran-2-yl)-octa-2,7-dienoic acid methyl ester

: 849361-59-7
(2E,7E)-(S)-5-(4-Methoxy-benzyloxy)-8-((S)-4-methyl-3,6-dihydro-2H-pyran-2-yl)-6-oxo-octa-2,7-dienoic acid methyl ester

Guidance literature:: With Dess-Martin periodane; In dichloromethane;
DOI:10.1016/j.tetlet.2004.12.056

Reference yield:

: 152453-72-0
2-deoxy-3-O-<(4-methoxyphenyl)methyl>-4,5-O-(1-methylethylidene)-D-erythro-pentose

: 849361-59-7
(2E,7E)-(S)-5-(4-Methoxy-benzyloxy)-8-((S)-4-methyl-3,6-dihydro-2H-pyran-2-yl)-6-oxo-octa-2,7-dienoic acid methyl ester

Guidance literature:: Multi-step reaction with 6 steps

1: NaH / tetrahydrofuran / 0 °C

2: Bu₃P / acetonitrile / 60 °C

3: aq. HCl / tetrahydrofuran

4: 70 percent / NaIO₄ / tetrahydrofuran; H₂O / 0 °C

5: 60 percent / NiCl₂; CrCl₂ / dimethylsulfoxide

6: Dess-Martin periodinane / CH₂Cl₂

With hydrogenchloride; sodium periodate; tributylphosphine; sodium hydride; Dess-Martin periodane; chromium dichloride; nickel dichloride; In tetrahydrofuran; dichloromethane; water; dimethyl sulfoxide; acetonitrile; 1: Horner-Wadsworth-Emmons reaction;
DOI:10.1016/j.tetlet.2004.12.056

Reference yield:

: 676474-12-7
5-(2,2-dimethyl-[1,3]dioxolan-4-yl)-5-(4-methoxy-benzyloxy)-pent-2-enoic acid methyl ester

: 849361-59-7
(2E,7E)-(S)-5-(4-Methoxy-benzyloxy)-8-((S)-4-methyl-3,6-dihydro-2H-pyran-2-yl)-6-oxo-octa-2,7-dienoic acid methyl ester

Guidance literature:: Multi-step reaction with 4 steps

1: aq. HCl / tetrahydrofuran

2: 70 percent / NaIO₄ / tetrahydrofuran; H₂O / 0 °C

3: 60 percent / NiCl₂; CrCl₂ / dimethylsulfoxide

4: Dess-Martin periodinane / CH₂Cl₂

With hydrogenchloride; sodium periodate; Dess-Martin periodane; chromium dichloride; nickel dichloride; In tetrahydrofuran; dichloromethane; water; dimethyl sulfoxide;
DOI:10.1016/j.tetlet.2004.12.056