2,4-Heptadienoic acid, 4-[2-[[(1,1-dimethylethyl)diphenylsilyl]oxy]ethyl]-6-hydroxy-7-[(1S,2R,6R) -2-(methoxymethoxy)-3-methyl-6-(1-methylethenyl)-3-cyclohexen-1-yl]-3- [3-[(4-methoxyphenyl)methoxy]propyl]-, ethyl ester, (2E,4E,6S)-

Base Information

Chemical Name:2,4-Heptadienoic acid, 4-[2-[[(1,1-dimethylethyl)diphenylsilyl]oxy]ethyl]-6-hydroxy-7-[(1S,2R,6R) -2-(methoxymethoxy)-3-methyl-6-(1-methylethenyl)-3-cyclohexen-1-yl]-3- [3-[(4-methoxyphenyl)methoxy]propyl]-, ethyl ester, (2E,4E,6S)-
CAS No.:874301-13-0
Molecular Formula:C₅₀H₆₈O₈Si
Molecular Weight:825.171
Hs Code.:

2,4-Heptadienoic acid,
4-[2-[[(1,1-dimethylethyl)diphenylsilyl]oxy]ethyl]-6-hydroxy-7-[(1S,2R,6R)
-2-(methoxymethoxy)-3-methyl-6-(1-methylethenyl)-3-cyclohexen-1-yl]-3-
[3-[(4-methoxyphenyl)methoxy]propyl]-, ethyl ester, (2E,4E,6S)-

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Chemical Property of 2,4-Heptadienoic acid, 4-[2-[[(1,1-dimethylethyl)diphenylsilyl]oxy]ethyl]-6-hydroxy-7-[(1S,2R,6R) -2-(methoxymethoxy)-3-methyl-6-(1-methylethenyl)-3-cyclohexen-1-yl]-3- [3-[(4-methoxyphenyl)methoxy]propyl]-, ethyl ester, (2E,4E,6S)-

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Technology Process of 2,4-Heptadienoic acid, 4-[2-[[(1,1-dimethylethyl)diphenylsilyl]oxy]ethyl]-6-hydroxy-7-[(1S,2R,6R) -2-(methoxymethoxy)-3-methyl-6-(1-methylethenyl)-3-cyclohexen-1-yl]-3- [3-[(4-methoxyphenyl)methoxy]propyl]-, ethyl ester, (2E,4E,6S)-

There total 2 articles about 2,4-Heptadienoic acid, 4-[2-[[(1,1-dimethylethyl)diphenylsilyl]oxy]ethyl]-6-hydroxy-7-[(1S,2R,6R) -2-(methoxymethoxy)-3-methyl-6-(1-methylethenyl)-3-cyclohexen-1-yl]-3- [3-[(4-methoxyphenyl)methoxy]propyl]-, ethyl ester, (2E,4E,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:

: (E)-ethyl 6-(4-methoxybenzyloxy)-3-(tributylstannyl)hex-2-enoate

: 874301-10-7
(E)-6-(tert-Butyl-diphenyl-silanyloxy)-4-iodo-1-((1S,2R,6R)-6-isopropenyl-2-methoxymethoxy-3-methyl-cyclohex-3-enyl)-hex-3-en-2-ol

: 874301-13-0
(2E,4E)-ethyl 4-(2-[tert-butyldiphenylsilyloxy]ethyl)-6-hydroxy-3-(3-(4-methoxybenzyloxy)propyl)-7-((1S,2R,6R)-2-(methoxymethoxy)-3-methyl-6-(prop-1-en-2-yl)cyclohex-3-enyl)hepta-2,4-dienoate

: (3R,4aS,4bR,8R,8aS,10aS)-ethyl 1-(2-[tert-butyldiphenylsilyloxy]ethyl)-2-(3-(4-methoxybenzyloxy)propyl)-3,4,4a,4b,5,8,8a,9,10,10a-decahydro-10-hydroxy-8-(methoxymethoxy)-4a,7-dimethylphenanthrene-3-carboxylate

Guidance literature:: (E)-ethyl 6-(4-methoxybenzyloxy)-3-(tributylstannyl)hex-2-enoate; (E)-6-(tert-Butyl-diphenyl-silanyloxy)-4-iodo-1-((1S,2R,6R)-6-isopropenyl-2-methoxymethoxy-3-methyl-cyclohex-3-enyl)-hex-3-en-2-ol; With tetrakis(triphenylphosphine) palladium⁽⁰⁾; copper(l) chloride; lithium chloride; In dimethyl sulfoxide; at 20 ℃; for 20h;

In toluene; at 20 - 195 ℃; for 24h;
DOI:10.1021/jo0520691

Reference yield:

: (3E)-4-(tributylstannyl)-6-(tert-butyldiphenylsilyloxy)-1-((1S,2R,6R)-2-(methoxymethoxy)-3-methyl-6-(prop-1-en-2-yl)cyclohex-3-enyl)hex-3-en-2-ol

: 874301-13-0
(2E,4E)-ethyl 4-(2-[tert-butyldiphenylsilyloxy]ethyl)-6-hydroxy-3-(3-(4-methoxybenzyloxy)propyl)-7-((1S,2R,6R)-2-(methoxymethoxy)-3-methyl-6-(prop-1-en-2-yl)cyclohex-3-enyl)hepta-2,4-dienoate

Guidance literature:: Multi-step reaction with 2 steps

1.1: 75 percent / I₂ / CH₂Cl₂ / 0.08 h / -78 °C

2.1: LiCl; Pd(PPh₃)4; CuCl / dimethylsulfoxide / 20 h / 20 °C

2.2: toluene / 24 h / 20 - 195 °C

With tetrakis(triphenylphosphine) palladium⁽⁰⁾; iodine; copper(l) chloride; lithium chloride; In dichloromethane; dimethyl sulfoxide; 2.1: Stille coupling / 2.2: Diels-Alder reaction;
DOI:10.1021/jo0520691