2,2-dimethyl-3,3-diphenyl-4,7,10,13,16-pentaoxa-3-silaoctadecan-18-oic acid

Base Information

• Chemical Name: 2,2-dimethyl-3,3-diphenyl-4,7,10,13,16-pentaoxa-3-silaoctadecan-18-oic acid
• CAS No.: 209542-21-2
• Molecular Formula: C₂₆H₃₈O₇Si
• Molecular Weight: 490.669

Synonyms:2,2-dimethyl-3,3-diphenyl-4,7,10,13,16-pentaoxa-3-silaoctadecan-18-oic acid

Chemical Property of 2,2-dimethyl-3,3-diphenyl-4,7,10,13,16-pentaoxa-3-silaoctadecan-18-oic acid

Chemical Property:

Purity/Quality:

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Technology Process of 2,2-dimethyl-3,3-diphenyl-4,7,10,13,16-pentaoxa-3-silaoctadecan-18-oic acid

There total 5 articles about 2,2-dimethyl-3,3-diphenyl-4,7,10,13,16-pentaoxa-3-silaoctadecan-18-oic acid 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: 43.0%

2-[2-[2-[2-[2-[tert-butyl(diphenyl)silyl]oxyethoxy]ethoxy]ethoxy]ethoxy]ethanol (615261-85-3) → 2,2-dimethyl-3,3-diphenyl-4,7,10,13,16-pentaoxa-3-silaoctadecan-18-oic acid (209542-21-2)

Guidance literature:

With jones reagent; In acetone; at 20 ℃; for 0.5h;

DOI:10.1016/j.tet.2005.08.085

Reference yield: 34.0%

methyl 2,2-dimethyl-3,3-diphenyl-4,7,10,13,16-pentaoxa-3-silaoctadecan-18-oate → 2,2-dimethyl-3,3-diphenyl-4,7,10,13,16-pentaoxa-3-silaoctadecan-18-oic acid (209542-21-2)

Guidance literature:

With water; In tetrahydrofuran; at 20 ℃; for 64h;

Reference yield:

tert-butylchlorodiphenylsilane (58479-61-1) → 2,2-dimethyl-3,3-diphenyl-4,7,10,13,16-pentaoxa-3-silaoctadecan-18-oic acid (209542-21-2)

Guidance literature:

Multi-step reaction with 2 steps

1: 39 percent / 1,8-diazabicyclo[5.4.0]undec-7-ene / CH₂Cl₂ / 3 h

2: 43 percent / Jones reagent / acetone / 0.5 h / 20 °C

With jones reagent; 1,8-diazabicyclo[5.4.0]undec-7-ene; In dichloromethane; acetone;

DOI:10.1016/j.tet.2005.08.085

upstream raw materials:

2-[2-[2-[2-[2-[tert-butyl(diphenyl)silyl]oxyethoxy]ethoxy]ethoxy]ethoxy]ethanol

Pentaethylene glycol

tert-butylchlorodiphenylsilane

2,2-dimethyl-3,3-diphenyl-4,7,10,13-tetraoxa-3-silapentadecan-15-ol

Downstream raw materials:

[2-(2-{2-[2-(tert-Butyl-diphenyl-silanyloxy)-ethoxy]-ethoxy}-ethoxy)-ethoxy]-acetic acid (S)-2-((5R,8R,9S,10S,13S,14S,17R)-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-17-yl)-propyl ester

[2-(2-{2-[2-(tert-Butyl-diphenyl-silanyloxy)-ethoxy]-ethoxy}-ethoxy)-ethoxy]-acetic acid (S)-2-((3S,5S,8R,9S,10S,13S,14S,17R)-3-hydroxy-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-17-yl)-propyl ester

[2-(2-{2-[2-(tert-Butyl-diphenyl-silanyloxy)-ethoxy]-ethoxy}-ethoxy)-ethoxy]-acetic acid (S)-2-((3S,5S,8R,9S,10S,13S,14S)-3-hydroxy-10,13-dimethyl-2,3,4,5,6,7,8,9,10,11,12,13,14,15-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)-propyl ester

[2-(2-{2-[2-(tert-Butyl-diphenyl-silanyloxy)-ethoxy]-ethoxy}-ethoxy)-ethoxy]-acetic acid (3S,5S,8R,9S,10S,13S,14S,17R)-17-((S)-2-acetoxy-1-methyl-ethyl)-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-3-yl ester

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