2,2-dimethyl-propionic acid 8-(2,2-dimethyl-propionyloxy)-5-[4-(2-piperidin-1-yl-ethoxy)phenyl]-5,11-dihydro-chromeno[4,3-c]chromen-2-yl ester

Base Information

Chemical Name:2,2-dimethyl-propionic acid 8-(2,2-dimethyl-propionyloxy)-5-[4-(2-piperidin-1-yl-ethoxy)phenyl]-5,11-dihydro-chromeno[4,3-c]chromen-2-yl ester
CAS No.:554429-87-7
Molecular Formula:C₃₉H₄₅NO₇
Molecular Weight:639.789
Hs Code.:

Synonyms:2,2-dimethyl-propionic acid 8-(2,2-dimethyl-propionyloxy)-5-[4-(2-piperidin-1-yl-ethoxy)phenyl]-5,11-dihydro-chromeno[4,3-c]chromen-2-yl ester

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Chemical Property of 2,2-dimethyl-propionic acid 8-(2,2-dimethyl-propionyloxy)-5-[4-(2-piperidin-1-yl-ethoxy)phenyl]-5,11-dihydro-chromeno[4,3-c]chromen-2-yl ester

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Technology Process of 2,2-dimethyl-propionic acid 8-(2,2-dimethyl-propionyloxy)-5-[4-(2-piperidin-1-yl-ethoxy)phenyl]-5,11-dihydro-chromeno[4,3-c]chromen-2-yl ester

There total 7 articles about 2,2-dimethyl-propionic acid 8-(2,2-dimethyl-propionyloxy)-5-[4-(2-piperidin-1-yl-ethoxy)phenyl]-5,11-dihydro-chromeno[4,3-c]chromen-2-yl ester 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:

: 554430-98-7
5-[4-(2-(piperidin-1-yl)ethoxy)phenyl]-5,11-dihydrochromeno[4,3-c]-chromene-2,8-diol

: 3282-30-2
pivaloyl chloride

: 554429-87-7
2,2-dimethyl-propionic acid 8-(2,2-dimethyl-propionyloxy)-5-[4-(2-piperidin-1-yl-ethoxy)phenyl]-5,11-dihydro-chromeno[4,3-c]chromen-2-yl ester

Guidance literature:: With triethylamine; In dichloromethane; at 0 - 20 ℃;
DOI:10.1021/jm060353u

Reference yield:

: 554430-39-6
2,8-bis(tert-butyldimethylsilyloxy)-5-[4-(2-(piperidin-1-yl)ethoxy)phenyl]-5,11-dihydrochromeno[4,3-c]chromene

: 3282-30-2
pivaloyl chloride

: 554429-87-7
2,2-dimethyl-propionic acid 8-(2,2-dimethyl-propionyloxy)-5-[4-(2-piperidin-1-yl-ethoxy)phenyl]-5,11-dihydro-chromeno[4,3-c]chromen-2-yl ester

Guidance literature:: 2,8-bis(tert-butyldimethylsilyloxy)-5-[4-(2-(piperidin-1-yl)ethoxy)phenyl]-5,11-dihydrochromeno[4,3-c]chromene; With tetrabutyl ammonium fluoride; In tetrahydrofuran; at -10 ℃; for 0.25h;

pivaloyl chloride; In tetrahydrofuran; for 0.5h; Product distribution / selectivity;

Reference yield:

: 554430-12-5
2-(4-(hydroxy-(4-(2-(piperidin-1-yl)ethoxy)phenyl)methyl))-7-(tert-butyldimethylsilyloxy-2H-chromen-3-yl)-5-(tertbutyldimethylsilyloxy)phenol

: 554429-87-7
2,2-dimethyl-propionic acid 8-(2,2-dimethyl-propionyloxy)-5-[4-(2-piperidin-1-yl-ethoxy)phenyl]-5,11-dihydro-chromeno[4,3-c]chromen-2-yl ester

Guidance literature:: Multi-step reaction with 3 steps

1: aq. HCl / toluene / 0.5 h / 20 °C

2: tetra-n-butylammonium fluoride / tetrahydrofuran / 3 h

3: Et₃N / CH₂Cl₂ / 0 - 20 °C

With hydrogenchloride; tetrabutyl ammonium fluoride; triethylamine; In tetrahydrofuran; dichloromethane; toluene;
DOI:10.1021/jm060353u