(2S,4S,6R,8E)-2-<(2S,3S,4R,5S,6S)-6-Ethyl-6-hydroxy-4-(p-methoxybenzyloxy)-3,5-dimethyl-tetrahydro-2H-pyran-2-yl>-4,6,8-trimethyl-8-undecen-3,5-dione

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Chemical Name:(2S,4S,6R,8E)-2-<(2S,3S,4R,5S,6S)-6-Ethyl-6-hydroxy-4-(p-methoxybenzyloxy)-3,5-dimethyl-tetrahydro-2H-pyran-2-yl>-4,6,8-trimethyl-8-undecen-3,5-dione
CAS No.:132566-03-1
Molecular Formula:C₃₁H₄₈O₆
Molecular Weight:516.719
Hs Code.:

Synonyms:(2S,4S,6R,8E)-2-<(2S,3S,4R,5S,6S)-6-Ethyl-6-hydroxy-4-(p-methoxybenzyloxy)-3,5-dimethyl-tetrahydro-2H-pyran-2-yl>-4,6,8-trimethyl-8-undecen-3,5-dione

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Chemical Property of (2S,4S,6R,8E)-2-<(2S,3S,4R,5S,6S)-6-Ethyl-6-hydroxy-4-(p-methoxybenzyloxy)-3,5-dimethyl-tetrahydro-2H-pyran-2-yl>-4,6,8-trimethyl-8-undecen-3,5-dione

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Technology Process of (2S,4S,6R,8E)-2-<(2S,3S,4R,5S,6S)-6-Ethyl-6-hydroxy-4-(p-methoxybenzyloxy)-3,5-dimethyl-tetrahydro-2H-pyran-2-yl>-4,6,8-trimethyl-8-undecen-3,5-dione

There total 12 articles about (2S,4S,6R,8E)-2-<(2S,3S,4R,5S,6S)-6-Ethyl-6-hydroxy-4-(p-methoxybenzyloxy)-3,5-dimethyl-tetrahydro-2H-pyran-2-yl>-4,6,8-trimethyl-8-undecen-3,5-dione 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: 97.0%

: 132566-01-9
(2R,3S,4R,6R,8E)-2-<(2S,3S,4R,5S,6S)-6-Ethyl-6-hydroxy-4-(p-methoxybenzyloxy)-3,5-dimethyl-tetrahydro-2H-pyran-2-yl>-3-hydroxy-4,6,8-trimethyl-8-undecen-5-one

: 132566-03-1
(2S,4S,6R,8E)-2-<(2S,3S,4R,5S,6S)-6-Ethyl-6-hydroxy-4-(p-methoxybenzyloxy)-3,5-dimethyl-tetrahydro-2H-pyran-2-yl>-4,6,8-trimethyl-8-undecen-3,5-dione

Guidance literature:: With pyridine; 3 A molecular sieve; Dess-Martin periodane; In dichloromethane; at -5 ℃; for 2h;

Reference yield:

: 87758-53-0
(E)-(4R)-4,6-dimethyl-non-6-en-3-one

: 132566-03-1
(2S,4S,6R,8E)-2-<(2S,3S,4R,5S,6S)-6-Ethyl-6-hydroxy-4-(p-methoxybenzyloxy)-3,5-dimethyl-tetrahydro-2H-pyran-2-yl>-4,6,8-trimethyl-8-undecen-3,5-dione

Guidance literature:: Multi-step reaction with 2 steps

1: 1) ethyldiisopropylamine, 9-borabicyclononyl triflate, 2) H₂O₂ / 1) ether, hexane, a) -78 deg C to 0 deg C, then 1 h, 2) MeOH, 0 deg C, 1 h

2: 97 percent / pyridine, Dess-Martin reagent, molecular sieves 3 Angstroem / CH₂Cl₂ / 2 h / -5 °C

With pyridine; 3 A molecular sieve; 9-borabicyclononyl triflate; dihydrogen peroxide; Dess-Martin periodane; N-ethyl-N,N-diisopropylamine; In dichloromethane;

Reference yield:

: 132566-00-8
(2R,4E)-2,4-Dimethyl-4-heptenoic acid

: 132566-03-1
(2S,4S,6R,8E)-2-<(2S,3S,4R,5S,6S)-6-Ethyl-6-hydroxy-4-(p-methoxybenzyloxy)-3,5-dimethyl-tetrahydro-2H-pyran-2-yl>-4,6,8-trimethyl-8-undecen-3,5-dione

Guidance literature:: Multi-step reaction with 3 steps

1: diethyl ether / a) -78 deg C to r.t. over 1 h, b) r.t., 14 h

2: 1) ethyldiisopropylamine, 9-borabicyclononyl triflate, 2) H₂O₂ / 1) ether, hexane, a) -78 deg C to 0 deg C, then 1 h, 2) MeOH, 0 deg C, 1 h

3: 97 percent / pyridine, Dess-Martin reagent, molecular sieves 3 Angstroem / CH₂Cl₂ / 2 h / -5 °C

With pyridine; 3 A molecular sieve; 9-borabicyclononyl triflate; dihydrogen peroxide; Dess-Martin periodane; N-ethyl-N,N-diisopropylamine; In diethyl ether; dichloromethane;