(R,E)-5-((2S,6S)-6-allyl-4-methylenetetrahydro-2H-pyran-2-yl)-2-(4-methoxybenzyloxy)-4-methylpent-4-enoic acid

Base Information

Chemical Name:(R,E)-5-((2S,6S)-6-allyl-4-methylenetetrahydro-2H-pyran-2-yl)-2-(4-methoxybenzyloxy)-4-methylpent-4-enoic acid
CAS No.:882424-53-5
Molecular Formula:C₂₃H₃₀O₅
Molecular Weight:386.488
Hs Code.:

Synonyms:(R,E)-5-((2S,6S)-6-allyl-4-methylenetetrahydro-2H-pyran-2-yl)-2-(4-methoxybenzyloxy)-4-methylpent-4-enoic acid

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Chemical Property of (R,E)-5-((2S,6S)-6-allyl-4-methylenetetrahydro-2H-pyran-2-yl)-2-(4-methoxybenzyloxy)-4-methylpent-4-enoic acid

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Technology Process of (R,E)-5-((2S,6S)-6-allyl-4-methylenetetrahydro-2H-pyran-2-yl)-2-(4-methoxybenzyloxy)-4-methylpent-4-enoic acid

There total 3 articles about (R,E)-5-((2S,6S)-6-allyl-4-methylenetetrahydro-2H-pyran-2-yl)-2-(4-methoxybenzyloxy)-4-methylpent-4-enoic acid 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%

: 882424-52-4
(S)-1-((2S,6S)-6-allyl-4-methylenetetrahydro-2H-pyran-2-yl)-2-methylallyl 2-(4-methoxybenzyloxy)acetate

: 882424-53-5
(R,E)-5-((2S,6S)-6-allyl-4-methylenetetrahydro-2H-pyran-2-yl)-2-(4-methoxybenzyloxy)-4-methylpent-4-enoic acid

Guidance literature:: With chloro-trimethyl-silane; lithium hexamethyldisilazane; In tetrahydrofuran; at -78 - 20 ℃; for 12h;
DOI:10.1021/ol053092b

Reference yield:

: 1-((2S,6S)-6-allyl-4-methylenetetrahydro-2H-pyran-2-yl)-2-methylprop-2-en-1-ol

: 882424-53-5
(R,E)-5-((2S,6S)-6-allyl-4-methylenetetrahydro-2H-pyran-2-yl)-2-(4-methoxybenzyloxy)-4-methylpent-4-enoic acid

Guidance literature:: Multi-step reaction with 2 steps

1: 76 percent / 4-dimethylaminopyridine; 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide hydrochloride / CH₂Cl₂ / 0 - 45 °C

2: 100 percent / LiHMDS; TMSCl / tetrahydrofuran / 12 h / -78 - 20 °C

With dmap; chloro-trimethyl-silane; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; lithium hexamethyldisilazane; In tetrahydrofuran; dichloromethane; 2: Ireland-Claisen rearrangement;
DOI:10.1021/ol053092b

Reference yield:

: 88920-24-5
p-methoxybenzyloxy acetic acid

: 882424-53-5
(R,E)-5-((2S,6S)-6-allyl-4-methylenetetrahydro-2H-pyran-2-yl)-2-(4-methoxybenzyloxy)-4-methylpent-4-enoic acid

Guidance literature:: Multi-step reaction with 2 steps

1: 76 percent / 4-dimethylaminopyridine; 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide hydrochloride / CH₂Cl₂ / 0 - 45 °C

2: 100 percent / LiHMDS; TMSCl / tetrahydrofuran / 12 h / -78 - 20 °C

With dmap; chloro-trimethyl-silane; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; lithium hexamethyldisilazane; In tetrahydrofuran; dichloromethane; 2: Ireland-Claisen rearrangement;
DOI:10.1021/ol053092b