<3R-<3α,5α,6β(1S,3S)>>-6-<5-(Benzoyloxy)-1-methoxy-3-methylpentyl>tetrahydro-5-methoxy-3-methyl-2H-pyran-2-one

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Chemical Name:<3R-<3α,5α,6β(1S*,3S*)>>-6-<5-(Benzoyloxy)-1-methoxy-3-methylpentyl>tetrahydro-5-methoxy-3-methyl-2H-pyran-2-one
CAS No.:118299-12-0
Molecular Formula:C₂₁H₃₀O₆
Molecular Weight:378.466
Hs Code.:

Synonyms:<3R-<3α,5α,6β(1S*,3S*)>>-6-<5-(Benzoyloxy)-1-methoxy-3-methylpentyl>tetrahydro-5-methoxy-3-methyl-2H-pyran-2-one

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Chemical Property of <3R-<3α,5α,6β(1S*,3S*)>>-6-<5-(Benzoyloxy)-1-methoxy-3-methylpentyl>tetrahydro-5-methoxy-3-methyl-2H-pyran-2-one

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Technology Process of <3R-<3α,5α,6β(1S*,3S*)>>-6-<5-(Benzoyloxy)-1-methoxy-3-methylpentyl>tetrahydro-5-methoxy-3-methyl-2H-pyran-2-one

There total 23 articles about <3R-<3α,5α,6β(1S*,3S*)>>-6-<5-(Benzoyloxy)-1-methoxy-3-methylpentyl>tetrahydro-5-methoxy-3-methyl-2H-pyran-2-one 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: 93.0%

: 118299-11-9
<2R-(2R*,4S*,5R*,8S*)>-10-(Benzoyloxy)-5-hydroxy-4,6-dimethoxy-2,8-dimethyldecanoic acid methyl ester

: 118299-12-0
<3R-<3α,5α,6β(1S*,3S*)>>-6-<5-(Benzoyloxy)-1-methoxy-3-methylpentyl>tetrahydro-5-methoxy-3-methyl-2H-pyran-2-one

Guidance literature:: With molecular sieve; toluene-4-sulfonic acid; In dichloromethane; for 3h; Ambient temperature;
DOI:10.1021/jo00296a041

Reference yield:

: 118299-09-5
(E)-(2R,3R,4S)-3,8-Dihydroxy-2,4-dimethoxy-6-methyl-oct-5-enal

: 118299-12-0
<3R-<3α,5α,6β(1S*,3S*)>>-6-<5-(Benzoyloxy)-1-methoxy-3-methylpentyl>tetrahydro-5-methoxy-3-methyl-2H-pyran-2-one

Guidance literature:: Multi-step reaction with 4 steps

1: CH₂Cl₂ / from 0 deg C to RT

2: pyridine / tetrahydrofuran / Ambient temperature

3: 94 percent / H₂ / BF₄ (Evans catalyst) / CH₂Cl₂ / 51714.8 Torr / Ambient temperature

4: 93 percent / TsOH, 4-A molecular sieves / CH₂Cl₂ / Ambient temperature

With pyridine; 4 A molecular sieve; hydrogen; toluene-4-sulfonic acid; [(bicyclo[2.2.1]hepta-2,5-diene)(1,4-bis(diphenylphosphino)butane)rhodium(I)] tetrafluoroborate; In tetrahydrofuran; dichloromethane;
DOI:10.1021/jo00262a006

Reference yield:

: 126502-54-3
<4S-(2E,4R*,5S*,6R*,7E)>-5,10-Dihydroxy-4,6-dimethoxy-2,8-dimethyl-2,7-decadienoic acid methyl ester

: 118299-12-0
<3R-<3α,5α,6β(1S*,3S*)>>-6-<5-(Benzoyloxy)-1-methoxy-3-methylpentyl>tetrahydro-5-methoxy-3-methyl-2H-pyran-2-one

Guidance literature:: Multi-step reaction with 3 steps

1: pyridine / tetrahydrofuran / Ambient temperature

2: 94 percent / H₂ / BF₄ (Evans catalyst) / CH₂Cl₂ / 51714.8 Torr / Ambient temperature

3: 93 percent / TsOH, 4-A molecular sieves / CH₂Cl₂ / Ambient temperature

With pyridine; 4 A molecular sieve; hydrogen; toluene-4-sulfonic acid; [(bicyclo[2.2.1]hepta-2,5-diene)(1,4-bis(diphenylphosphino)butane)rhodium(I)] tetrafluoroborate; In tetrahydrofuran; dichloromethane;
DOI:10.1021/jo00262a006