(+/-)-(1α,2α,4bβ,10α)-Ethyl 8,8-(ethylenedioxy)-1-(methoxycarbonyl)-2-(phenylsulfonyl)-7-<(methoxymethyl)oxy>-1-methylgibb-4a(10a)-ene-10-carboxylate

Base Information

Chemical Name:(+/-)-(1α,2α,4bβ,10α)-Ethyl 8,8-(ethylenedioxy)-1-(methoxycarbonyl)-2-(phenylsulfonyl)-7-<(methoxymethyl)oxy>-1-methylgibb-4a(10a)-ene-10-carboxylate
CAS No.:91127-32-1
Molecular Formula:C₃₁H₄₀O₁₁S
Molecular Weight:620.718
Hs Code.:

(+/-)-(1α,2α,4bβ,10α)-Ethyl 8,8-(ethylenedioxy)-1-(methoxycarbonyl)-2-(phenylsulfonyl)-7-<(methoxymethyl)oxy>-1-methylgibb-4a(10a)-ene-10-carboxylate

Synonyms:

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Chemical Property of (+/-)-(1α,2α,4bβ,10α)-Ethyl 8,8-(ethylenedioxy)-1-(methoxycarbonyl)-2-(phenylsulfonyl)-7-<(methoxymethyl)oxy>-1-methylgibb-4a(10a)-ene-10-carboxylate

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Technology Process of (+/-)-(1α,2α,4bβ,10α)-Ethyl 8,8-(ethylenedioxy)-1-(methoxycarbonyl)-2-(phenylsulfonyl)-7-<(methoxymethyl)oxy>-1-methylgibb-4a(10a)-ene-10-carboxylate

There total 4 articles about (+/-)-(1α,2α,4bβ,10α)-Ethyl 8,8-(ethylenedioxy)-1-(methoxycarbonyl)-2-(phenylsulfonyl)-7-<(methoxymethyl)oxy>-1-methylgibb-4a(10a)-ene-10-carboxylate 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:

: 91156-88-6
(+/-)-(1α,4bβ,10α)-8,8-(Ethylenedioxy)-1-(methoxycarbonyl)-7-<(methoxymethyl)oxy>-1-methyl-2-oxogibb-4a(10a)-ene-10-carboxylic acid

: 91127-32-1
(+/-)-(1α,2α,4bβ,10α)-Ethyl 8,8-(ethylenedioxy)-1-(methoxycarbonyl)-2-(phenylsulfonyl)-7-<(methoxymethyl)oxy>-1-methylgibb-4a(10a)-ene-10-carboxylate

Guidance literature:: Multi-step reaction with 3 steps

1: 90 percent / NaBH₄ / ethanol / 0.67 h / 0 °C

2: CH₂Cl₂; diethyl ether / 0.5 h

3: 170 mg / pyridine / 1) 0 deg C 2) 18h, 5 deg C 3) 6h, 25 deg C

With sodium tetrahydroborate; In pyridine; diethyl ether; ethanol; dichloromethane;
DOI:10.1021/jo00192a002

Reference yield:

: 75758-96-2
(+/-)-(1α,4bβ,10α)-8,8-(Ethylenedioxy)-2-methoxy-1-(methoxycarbonyl)-7-<(methoxymethyl)oxy>-1-methylgibba-2,4a(10a)-diene-10-carboxylic acid

: 91127-32-1
(+/-)-(1α,2α,4bβ,10α)-Ethyl 8,8-(ethylenedioxy)-1-(methoxycarbonyl)-2-(phenylsulfonyl)-7-<(methoxymethyl)oxy>-1-methylgibb-4a(10a)-ene-10-carboxylate

Guidance literature:: Multi-step reaction with 4 steps

1: 77 percent / Hg(NO₃)2 / acetonitrile; H₂O / 18 h / 22 °C

2: 90 percent / NaBH₄ / ethanol / 0.67 h / 0 °C

3: CH₂Cl₂; diethyl ether / 0.5 h

4: 170 mg / pyridine / 1) 0 deg C 2) 18h, 5 deg C 3) 6h, 25 deg C

With sodium tetrahydroborate; mercury(II) nitrate; In pyridine; diethyl ether; ethanol; dichloromethane; water; acetonitrile;
DOI:10.1021/jo00192a002

Reference yield:

: 91156-89-7
(+/-)-(1α,2α,4bβ,10α)-8,8-(Ethylenedioxy)-2-hydroxy-1-(methoxycarbonyl)-7-<(methoxymethyl)oxy>-1-methylgibb-4a(10a)-ene-10-carboxylic acid

: 91127-32-1
(+/-)-(1α,2α,4bβ,10α)-Ethyl 8,8-(ethylenedioxy)-1-(methoxycarbonyl)-2-(phenylsulfonyl)-7-<(methoxymethyl)oxy>-1-methylgibb-4a(10a)-ene-10-carboxylate

Guidance literature:: Multi-step reaction with 2 steps

1: CH₂Cl₂; diethyl ether / 0.5 h

2: 170 mg / pyridine / 1) 0 deg C 2) 18h, 5 deg C 3) 6h, 25 deg C

In pyridine; diethyl ether; dichloromethane;
DOI:10.1021/jo00192a002