ethyl (2E,4S,5R,6R,7R)-4,6-dimethyl-7-(4-methoxybenzyloxy)-5,6-<1-(4-methoxyphenyl)ethylidenedioxy>-2-trimethylsilylmethyl-2-nonenoate

Base Information

Chemical Name:ethyl (2E,4S,5R,6R,7R)-4,6-dimethyl-7-(4-methoxybenzyloxy)-5,6-<1-(4-methoxyphenyl)ethylidenedioxy>-2-trimethylsilylmethyl-2-nonenoate
CAS No.:124871-67-6
Molecular Formula:C₃₄H₅₀O₇Si
Molecular Weight:598.852
Hs Code.:

Synonyms:ethyl (2E,4S,5R,6R,7R)-4,6-dimethyl-7-(4-methoxybenzyloxy)-5,6-<1-(4-methoxyphenyl)ethylidenedioxy>-2-trimethylsilylmethyl-2-nonenoate

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Chemical Property of ethyl (2E,4S,5R,6R,7R)-4,6-dimethyl-7-(4-methoxybenzyloxy)-5,6-<1-(4-methoxyphenyl)ethylidenedioxy>-2-trimethylsilylmethyl-2-nonenoate

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Technology Process of ethyl (2E,4S,5R,6R,7R)-4,6-dimethyl-7-(4-methoxybenzyloxy)-5,6-<1-(4-methoxyphenyl)ethylidenedioxy>-2-trimethylsilylmethyl-2-nonenoate

There total 9 articles about ethyl (2E,4S,5R,6R,7R)-4,6-dimethyl-7-(4-methoxybenzyloxy)-5,6-<1-(4-methoxyphenyl)ethylidenedioxy>-2-trimethylsilylmethyl-2-nonenoate 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: 99.0%

: 124871-64-3,124871-65-4,124871-66-5,124895-75-6
(R)-3-Methanesulfonyloxy-4-[(4R,5R)-5-[(R)-1-(4-methoxy-benzyloxy)-propyl]-2-(4-methoxy-phenyl)-2,5-dimethyl-[1,3]dioxolan-4-yl]-2-trimethylsilanylmethyl-pentanoic acid ethyl ester

: 124871-67-6
ethyl (2E,4S,5R,6R,7R)-4,6-dimethyl-7-(4-methoxybenzyloxy)-5,6-<1-(4-methoxyphenyl)ethylidenedioxy>-2-trimethylsilylmethyl-2-nonenoate

Guidance literature:: With sodium ethanolate; In tetrahydrofuran; for 3.5h; Ambient temperature;
DOI:10.1248/cpb.37.1160

Reference yield:

: 17728-88-0
ethyl 3-(trimethylsilyl)propionate

: 124871-67-6
ethyl (2E,4S,5R,6R,7R)-4,6-dimethyl-7-(4-methoxybenzyloxy)-5,6-<1-(4-methoxyphenyl)ethylidenedioxy>-2-trimethylsilylmethyl-2-nonenoate

Guidance literature:: Multi-step reaction with 3 steps

1: 99 percent / LDA / tetrahydrofuran / -83 deg C, -20 deg C, 2 h

2: 90 percent / Et₃N / benzene / 0.33 h / 7 °C

3: 99 percent / NaOEt / tetrahydrofuran / 3.5 h / Ambient temperature

With sodium ethanolate; triethylamine; lithium diisopropyl amide; In tetrahydrofuran; benzene;
DOI:10.1248/cpb.37.1160

Reference yield:

: 27150-99-8
1,1-dimethoxy-1-(4-methoxyphenyl)ethane

: 124871-67-6
ethyl (2E,4S,5R,6R,7R)-4,6-dimethyl-7-(4-methoxybenzyloxy)-5,6-<1-(4-methoxyphenyl)ethylidenedioxy>-2-trimethylsilylmethyl-2-nonenoate

Guidance literature:: Multi-step reaction with 6 steps

1: CSA / CH₂Cl₂ / 2 h / Ambient temperature

2: 1N KOH / methanol / 18 h / Ambient temperature

3: 94 percent / oxalyl chloride / CH₂Cl₂; dimethylsulfoxide / 0.5 h / -60 - -50 °C

4: 99 percent / LDA / tetrahydrofuran / -83 deg C, -20 deg C, 2 h

5: 90 percent / Et₃N / benzene / 0.33 h / 7 °C

6: 99 percent / NaOEt / tetrahydrofuran / 3.5 h / Ambient temperature

With potassium hydroxide; oxalyl dichloride; camphor-10-sulfonic acid; sodium ethanolate; triethylamine; lithium diisopropyl amide; In tetrahydrofuran; methanol; dichloromethane; dimethyl sulfoxide; benzene;
DOI:10.1248/cpb.37.1160