2H-Pyran-3(6H)-one, 6-[[(2R,3S,6R)-6-[[(2R,3S,6S)-3,6-dihydro-2-methyl-6-(phenylmethoxy)- 2H-pyran-3-yl]oxy]-3,6-dihydro-2-methyl-2H-pyran-3-yl]oxy]-2-methyl-, (2R,6S)-

Base Information

Chemical Name:2H-Pyran-3(6H)-one, 6-[[(2R,3S,6R)-6-[[(2R,3S,6S)-3,6-dihydro-2-methyl-6-(phenylmethoxy)- 2H-pyran-3-yl]oxy]-3,6-dihydro-2-methyl-2H-pyran-3-yl]oxy]-2-methyl-, (2R,6S)-
CAS No.:679412-11-4
Molecular Formula:C25H30O7
Molecular Weight:442.509
Hs Code.:

2H-Pyran-3(6H)-one,
6-[[(2R,3S,6R)-6-[[(2R,3S,6S)-3,6-dihydro-2-methyl-6-(phenylmethoxy)-
2H-pyran-3-yl]oxy]-3,6-dihydro-2-methyl-2H-pyran-3-yl]oxy]-2-methyl-,
(2R,6S)-

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Chemical Property of 2H-Pyran-3(6H)-one, 6-[[(2R,3S,6R)-6-[[(2R,3S,6S)-3,6-dihydro-2-methyl-6-(phenylmethoxy)- 2H-pyran-3-yl]oxy]-3,6-dihydro-2-methyl-2H-pyran-3-yl]oxy]-2-methyl-, (2R,6S)-

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Technology Process of 2H-Pyran-3(6H)-one, 6-[[(2R,3S,6R)-6-[[(2R,3S,6S)-3,6-dihydro-2-methyl-6-(phenylmethoxy)- 2H-pyran-3-yl]oxy]-3,6-dihydro-2-methyl-2H-pyran-3-yl]oxy]-2-methyl-, (2R,6S)-

There total 7 articles about 2H-Pyran-3(6H)-one, 6-[[(2R,3S,6R)-6-[[(2R,3S,6S)-3,6-dihydro-2-methyl-6-(phenylmethoxy)- 2H-pyran-3-yl]oxy]-3,6-dihydro-2-methyl-2H-pyran-3-yl]oxy]-2-methyl-, (2R,6S)- 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%

: 679412-06-7
tert-butyl ((2R,6R)-6-methyl-5-oxo-5,6-dihydro-2H-pyran-2-yl) carbonate

: 679412-10-3
(2R,3S,6R)-6-(((2R,3S,6S)-6-(benzyloxy)-2-methyl-3,6-dihydro-2H-pyran-3-yl)oxy)-2-methyl-3,6-dihydro-2H-pyran-3-ol

: 679412-11-4
(2R,6S)-6-(((2R,3S,6R)-6-(((2R,3S,6S)-6-(benzyloxy)-2-methyl-3,6-dihydro-2H-pyran-3-yl)oxy)-2-methyl-3,6-dihydro-2H-pyran-3-yl)oxy)-2-methyl-2H-pyran-3(6H)-one

Guidance literature:: With tris(dibenzylideneacetone)dipalladium⁽⁰⁾ chloroform complex; triphenylphosphine; In dichloromethane; at 0 ℃; for 3h; diastereoselective reaction;
DOI:10.1021/ja305321e

Reference yield:

: 247244-64-0
(2R)-6-hydroxy-2-methyl-2H-pyran-3-(6H)-one

: 679412-11-4
(2R,6S)-6-(((2R,3S,6R)-6-(((2R,3S,6S)-6-(benzyloxy)-2-methyl-3,6-dihydro-2H-pyran-3-yl)oxy)-2-methyl-3,6-dihydro-2H-pyran-3-yl)oxy)-2-methyl-2H-pyran-3(6H)-one

Guidance literature:: Multi-step reaction with 4 steps

1: DMAP / CH₂Cl₂ / 5 h / -78 - 20 °C

2: 93 percent / Pd₂(DBA)3*CHCl₃; PPh₃ / CH₂Cl₂ / 3 h / 0 °C

3: 93 percent / NaBH₄ / methanol; CH₂Cl₂ / 3 h / -78 °C

4: 93 percent / Pd₂(DBA)3*CHCl₃; PPh₃ / CH₂Cl₂ / 3 h / 0 °C

With dmap; tris(dibenzylideneacetone)dipalladium⁽⁰⁾ chloroform complex; sodium tetrahydroborate; triphenylphosphine; In methanol; dichloromethane;
DOI:10.1021/ja039400n

Reference yield:

: 171599-47-6
(2R,3S,6S)-6-(benzyloxy)-3,6-dihydro-2-methyl-2H-pyran-3-ol

: 679412-11-4
(2R,6S)-6-(((2R,3S,6R)-6-(((2R,3S,6S)-6-(benzyloxy)-2-methyl-3,6-dihydro-2H-pyran-3-yl)oxy)-2-methyl-3,6-dihydro-2H-pyran-3-yl)oxy)-2-methyl-2H-pyran-3(6H)-one

Guidance literature:: Multi-step reaction with 3 steps

1: 93 percent / Pd₂(DBA)3*CHCl₃; PPh₃ / CH₂Cl₂ / 3 h / 0 °C

2: 93 percent / NaBH₄ / methanol; CH₂Cl₂ / 3 h / -78 °C

3: 93 percent / Pd₂(DBA)3*CHCl₃; PPh₃ / CH₂Cl₂ / 3 h / 0 °C

With tris(dibenzylideneacetone)dipalladium⁽⁰⁾ chloroform complex; sodium tetrahydroborate; triphenylphosphine; In methanol; dichloromethane;
DOI:10.1021/ja039400n