(2R,3S,4S,6S)-6-(6-Ethyl-3,5-dimethyl-4-oxo-4H-pyran-2-yl)-3-(4-methoxy-benzyloxy)-2,4-dimethyl-5-oxo-heptanal

Base Information

Chemical Name:(2R,3S,4S,6S)-6-(6-Ethyl-3,5-dimethyl-4-oxo-4H-pyran-2-yl)-3-(4-methoxy-benzyloxy)-2,4-dimethyl-5-oxo-heptanal
CAS No.:1026344-34-2
Molecular Formula:C₂₆H₃₄O₆
Molecular Weight:442.552
Hs Code.:

Synonyms:(2R,3S,4S,6S)-6-(6-Ethyl-3,5-dimethyl-4-oxo-4H-pyran-2-yl)-3-(4-methoxy-benzyloxy)-2,4-dimethyl-5-oxo-heptanal

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Chemical Property of (2R,3S,4S,6S)-6-(6-Ethyl-3,5-dimethyl-4-oxo-4H-pyran-2-yl)-3-(4-methoxy-benzyloxy)-2,4-dimethyl-5-oxo-heptanal

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Technology Process of (2R,3S,4S,6S)-6-(6-Ethyl-3,5-dimethyl-4-oxo-4H-pyran-2-yl)-3-(4-methoxy-benzyloxy)-2,4-dimethyl-5-oxo-heptanal

There total 9 articles about (2R,3S,4S,6S)-6-(6-Ethyl-3,5-dimethyl-4-oxo-4H-pyran-2-yl)-3-(4-methoxy-benzyloxy)-2,4-dimethyl-5-oxo-heptanal 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:

: 158783-80-3
2-[(1R,2R,3R,4S,5S)-2,6-Dihydroxy-4-(4-methoxy-benzyloxy)-1,3,5-trimethyl-hexyl]-6-ethyl-3,5-dimethyl-pyran-4-one

: 1026344-34-2
(2R,3S,4S,6S)-6-(6-Ethyl-3,5-dimethyl-4-oxo-4H-pyran-2-yl)-3-(4-methoxy-benzyloxy)-2,4-dimethyl-5-oxo-heptanal

Guidance literature:: With oxalyl dichloride; dimethyl sulfoxide; triethylamine; In dichloromethane; -78 deg C, 1 h; -> -30 deg C, 30 min;
DOI:10.1016/0040-4039(94)85043-7

Reference yield:

: 944913-77-3
C₃₈H₆₆O₆Si₂

: 1026344-34-2
(2R,3S,4S,6S)-6-(6-Ethyl-3,5-dimethyl-4-oxo-4H-pyran-2-yl)-3-(4-methoxy-benzyloxy)-2,4-dimethyl-5-oxo-heptanal

Guidance literature:: Multi-step reaction with 2 steps

1: 98 percent / tris(dimethylamino)sulfonium difluorotrimethylsilicate / dimethylformamide / 4 h / 22 °C

2: (COCl)2; dimethyl sulfoxide; triethylamine / CH₂Cl₂ / 2 h / -78 - -30 °C

With oxalyl dichloride; tris(dimethylamino)sulfonium trimethylsilyldifluoride; dimethyl sulfoxide; triethylamine; In dichloromethane; N,N-dimethyl-formamide;
DOI:10.1002/anie.200700501

Reference yield:

: C₄₇H₉₀O₇Si₃

: 1026344-34-2
(2R,3S,4S,6S)-6-(6-Ethyl-3,5-dimethyl-4-oxo-4H-pyran-2-yl)-3-(4-methoxy-benzyloxy)-2,4-dimethyl-5-oxo-heptanal

Guidance literature:: Multi-step reaction with 4 steps

1: Dess-Martin periodinane / CH₂Cl₂ / 1 h / 22 °C

2: 69.0 mg / 1,8-diazabicyclo[5.4.0]undec-7-ene / tetrahydrofuran / 4 h / 60 °C

3: 98 percent / tris(dimethylamino)sulfonium difluorotrimethylsilicate / dimethylformamide / 4 h / 22 °C

4: (COCl)2; dimethyl sulfoxide; triethylamine / CH₂Cl₂ / 2 h / -78 - -30 °C

With oxalyl dichloride; tris(dimethylamino)sulfonium trimethylsilyldifluoride; Dess-Martin periodane; dimethyl sulfoxide; 1,8-diazabicyclo[5.4.0]undec-7-ene; triethylamine; In tetrahydrofuran; dichloromethane; N,N-dimethyl-formamide;
DOI:10.1002/anie.200700501