(4-Methoxy-phenyl)-carbamic acid (2S,3S,6S)-6-(4-methoxy-benzyloxy)-2,4-dimethyl-3,6-dihydro-2H-pyran-3-yl ester

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Chemical Name:(4-Methoxy-phenyl)-carbamic acid (2S,3S,6S)-6-(4-methoxy-benzyloxy)-2,4-dimethyl-3,6-dihydro-2H-pyran-3-yl ester
CAS No.:293294-26-5
Molecular Formula:C₂₃H₂₇NO₆
Molecular Weight:413.47
Hs Code.:

Synonyms:(4-Methoxy-phenyl)-carbamic acid (2S,3S,6S)-6-(4-methoxy-benzyloxy)-2,4-dimethyl-3,6-dihydro-2H-pyran-3-yl ester

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Chemical Property of (4-Methoxy-phenyl)-carbamic acid (2S,3S,6S)-6-(4-methoxy-benzyloxy)-2,4-dimethyl-3,6-dihydro-2H-pyran-3-yl ester

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Technology Process of (4-Methoxy-phenyl)-carbamic acid (2S,3S,6S)-6-(4-methoxy-benzyloxy)-2,4-dimethyl-3,6-dihydro-2H-pyran-3-yl ester

There total 10 articles about (4-Methoxy-phenyl)-carbamic acid (2S,3S,6S)-6-(4-methoxy-benzyloxy)-2,4-dimethyl-3,6-dihydro-2H-pyran-3-yl ester 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: 77.0%

: 105-13-5
4-Methoxybenzyl alcohol

: 293294-25-4
(4-Methoxy-phenyl)-carbamic acid (2S,3S,6S)-6-hydroxy-2,4-dimethyl-3,6-dihydro-2H-pyran-3-yl ester

: 293294-26-5
(4-Methoxy-phenyl)-carbamic acid (2S,3S,6S)-6-(4-methoxy-benzyloxy)-2,4-dimethyl-3,6-dihydro-2H-pyran-3-yl ester

Guidance literature:: With hydrogenchloride; In dichloromethane; at 0 ℃; for 0.5h;
DOI:10.1002/1521-3773(20000717)39:14<2525::AID-ANIE2525>3.0.CO;2-1

Reference yield: 55.0%

: 105-13-5
4-Methoxybenzyl alcohol

: 293294-24-3
(4-Methoxy-phenyl)-carbamic acid (Z)-(S)-4-hydroxy-1-((S)-1-hydroxy-ethyl)-2-methyl-but-2-enyl ester

: 293294-26-5
(4-Methoxy-phenyl)-carbamic acid (2S,3S,6S)-6-(4-methoxy-benzyloxy)-2,4-dimethyl-3,6-dihydro-2H-pyran-3-yl ester

Guidance literature:: (4-Methoxy-phenyl)-carbamic acid (Z)-(S)-4-hydroxy-1-((S)-1-hydroxy-ethyl)-2-methyl-but-2-enyl ester; With 1-hydroxy-3H-benz[d][1,2]iodoxole-1,3-dione; In tetrahydrofuran; dimethyl sulfoxide; at 25 ℃; for 0.333333h;

4-Methoxybenzyl alcohol; With hydrogenchloride; In dichloromethane; at 0 ℃; for 0.5h; Further stages.;
DOI:10.1021/ja012126h

Reference yield:

: 2-(tert-butyl-dimethyl-silanyloxy)-6-(tert-butyl-diphenyl-silanyloxy)-4-methyl-hex-4-en-3-one

: 293294-26-5
(4-Methoxy-phenyl)-carbamic acid (2S,3S,6S)-6-(4-methoxy-benzyloxy)-2,4-dimethyl-3,6-dihydro-2H-pyran-3-yl ester

Guidance literature:: Multi-step reaction with 4 steps

1.1: 229 mg / NaBH₄; CeCl₃ / methanol / 1 h / -20 - 0 °C

2.1: 86 percent / DBU / CH₂Cl₂ / 10 h / 25 °C

3.1: HF*Py / tetrahydrofuran / 5 h / 25 °C

4.1: o-iodoxybenzoic acid / tetrahydrofuran; dimethylsulfoxide / 0.33 h / 25 °C

4.2: 55 percent / HCl (gas) / CH₂Cl₂ / 0.5 h / 0 °C

With sodium tetrahydroborate; cerium(III) chloride; pyridine hydrogenfluoride; 1,8-diazabicyclo[5.4.0]undec-7-ene; 1-hydroxy-3H-benz[d][1,2]iodoxole-1,3-dione; In tetrahydrofuran; methanol; dichloromethane; dimethyl sulfoxide;
DOI:10.1021/ja012126h