N-[2-[3,4-bis-(tert-butyl-dimethyl-silanyloxy)-phenyl]-5,7-bis-(tert-butyl-dimethyl-silanyloxy)-chroman-3-yl]-3,4,5-tris-(tert-butyl-dimethyl-silanyloxy)-benzamide

Base Information

Chemical Name:N-[2-[3,4-bis-(tert-butyl-dimethyl-silanyloxy)-phenyl]-5,7-bis-(tert-butyl-dimethyl-silanyloxy)-chroman-3-yl]-3,4,5-tris-(tert-butyl-dimethyl-silanyloxy)-benzamide
CAS No.:853687-50-0
Molecular Formula:C₆₄H₁₁₇NO₉Si₇
Molecular Weight:1241.23
Hs Code.:

<i>N</i>-[2-[3,4-bis-(<i>tert</i>-butyl-dimethyl-silanyloxy)-phenyl]-5,7-bis-(<i>tert</i>-butyl-dimethyl-silanyloxy)-chroman-3-yl]-3,4,5-tris-(<i>tert</i>-butyl-dimethyl-silanyloxy)-benzamide

Synonyms:N-[2-[3,4-bis-(tert-butyl-dimethyl-silanyloxy)-phenyl]-5,7-bis-(tert-butyl-dimethyl-silanyloxy)-chroman-3-yl]-3,4,5-tris-(tert-butyl-dimethyl-silanyloxy)-benzamide

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Chemical Property of N-[2-[3,4-bis-(tert-butyl-dimethyl-silanyloxy)-phenyl]-5,7-bis-(tert-butyl-dimethyl-silanyloxy)-chroman-3-yl]-3,4,5-tris-(tert-butyl-dimethyl-silanyloxy)-benzamide

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Technology Process of N-[2-[3,4-bis-(tert-butyl-dimethyl-silanyloxy)-phenyl]-5,7-bis-(tert-butyl-dimethyl-silanyloxy)-chroman-3-yl]-3,4,5-tris-(tert-butyl-dimethyl-silanyloxy)-benzamide

There total 7 articles about N-[2-[3,4-bis-(tert-butyl-dimethyl-silanyloxy)-phenyl]-5,7-bis-(tert-butyl-dimethyl-silanyloxy)-chroman-3-yl]-3,4,5-tris-(tert-butyl-dimethyl-silanyloxy)-benzamide 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: 59.0%

: 853687-48-6
2-[3,4-bis-(tert-butyl-dimethyl-silanyloxy)-phenyl]-5,7-bis-(tert-butyl-dimethyl-silanyloxy)-chroman-3-ylamine

: 121056-98-2
3,4,5‐tris(tert‐butyldimethylsilyloxy)benzoic acid

: 853687-50-0
N-[2-[3,4-bis-(tert-butyl-dimethyl-silanyloxy)-phenyl]-5,7-bis-(tert-butyl-dimethyl-silanyloxy)-chroman-3-yl]-3,4,5-tris-(tert-butyl-dimethyl-silanyloxy)-benzamide

Guidance literature:: With dmap; dicyclohexyl-carbodiimide; In dichloromethane; at 20 ℃; for 16h;
DOI:10.1016/j.bmcl.2005.03.063

Reference yield:

: 853687-37-3
(-)-ECG-7TBS

: 853687-50-0
N-[2-[3,4-bis-(tert-butyl-dimethyl-silanyloxy)-phenyl]-5,7-bis-(tert-butyl-dimethyl-silanyloxy)-chroman-3-yl]-3,4,5-tris-(tert-butyl-dimethyl-silanyloxy)-benzamide

Guidance literature:: Multi-step reaction with 4 steps

1: LiAlH₄ / tetrahydrofuran / 0.5 h / 0 °C

2: Dess-Martin periodinane

3: aq. NaO₂Cl; 2-methyl-2-butene / 2-methyl-propan-2-ol / pH 4

4: 59 percent / DCC; DMAP / CH₂Cl₂ / 16 h / 20 °C

With dmap; sodium chlorite; lithium aluminium tetrahydride; 2-methyl-but-2-ene; Dess-Martin periodane; dicyclohexyl-carbodiimide; In tetrahydrofuran; dichloromethane; tert-butyl alcohol; 2: Dess-Martin oxidation;
DOI:10.1016/j.bmcl.2005.03.063

Reference yield:

: 853687-38-4
5,7,3’,4’-O-tetra-tert-butyldimethylsilylepicatechin

: 853687-50-0
N-[2-[3,4-bis-(tert-butyl-dimethyl-silanyloxy)-phenyl]-5,7-bis-(tert-butyl-dimethyl-silanyloxy)-chroman-3-yl]-3,4,5-tris-(tert-butyl-dimethyl-silanyloxy)-benzamide

Guidance literature:: Multi-step reaction with 4 steps

1: 91 percent / DMP / CH₂Cl₂ / 9 h / 0 °C

2: 26 percent / sodium cyanoborohydride; AcOH / tetrahydrofuran / 14 h / 20 °C

3: 91 percent / H₂ / Pd/C / ethanol / 16 h / 20 °C

4: 59 percent / DCC; DMAP / CH₂Cl₂ / 16 h / 20 °C

With dmap; phthalic acid dimethyl ester; hydrogen; sodium cyanoborohydride; acetic acid; dicyclohexyl-carbodiimide; palladium on activated charcoal; In tetrahydrofuran; ethanol; dichloromethane; 1: Dess-Martin oxidation;
DOI:10.1016/j.bmcl.2005.03.063