11,23-di-tert-butyl-5,17-bis(N'-phenyl-ureido)-26,28-dipropoxycalix[4]arene-25,27-diol

Base Information

Chemical Name:11,23-di-tert-butyl-5,17-bis(N'-phenyl-ureido)-26,28-dipropoxycalix[4]arene-25,27-diol
CAS No.:1378022-47-9
Molecular Formula:C₅₆H₆₄N₄O₆
Molecular Weight:889.147
Hs Code.:

Synonyms:11,23-di-tert-butyl-5,17-bis(N'-phenyl-ureido)-26,28-dipropoxycalix[4]arene-25,27-diol

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Chemical Property of 11,23-di-tert-butyl-5,17-bis(N'-phenyl-ureido)-26,28-dipropoxycalix[4]arene-25,27-diol

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Technology Process of 11,23-di-tert-butyl-5,17-bis(N'-phenyl-ureido)-26,28-dipropoxycalix[4]arene-25,27-diol

There total 6 articles about 11,23-di-tert-butyl-5,17-bis(N'-phenyl-ureido)-26,28-dipropoxycalix[4]arene-25,27-diol 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: 29.0%

: 1378022-46-8
5,17-diamino-11,23-di-tert-butyl-26,28-dipropoxycalix[4]arene-25,27-diol

: 103-71-9
phenyl isocyanate

: 1378022-47-9
11,23-di-tert-butyl-5,17-bis(N'-phenyl-ureido)-26,28-dipropoxycalix[4]arene-25,27-diol

Guidance literature:: In dichloromethane; at 20 ℃; for 48h; Inert atmosphere;
DOI:10.1016/j.tet.2012.03.102

Reference yield:

: 1378022-37-7
5,11,17,23-tetra-tert-butyl-25,27-bis(p-nitrobenzenesulfonyloxy)-26,28-dipropoxycalix[4]arene

: 1378022-47-9
11,23-di-tert-butyl-5,17-bis(N'-phenyl-ureido)-26,28-dipropoxycalix[4]arene-25,27-diol

Guidance literature:: Multi-step reaction with 4 steps

1: nitric acid; acetic acid / dichloromethane / 0 °C

2: potassium hydroxide / ethanol; dichloromethane / 24 h / 20 °C

3: hydrazine hydrate / methanol / 5 h / Reflux

4: dichloromethane / 48 h / 20 °C / Inert atmosphere

With nitric acid; hydrazine hydrate; acetic acid; potassium hydroxide; In methanol; ethanol; dichloromethane;
DOI:10.1016/j.tet.2012.03.102

Reference yield:

: 1378022-40-2
11,23-di-tert-butyl-5,17-dinitro-25,27-bis(p-nitrobenzenesulfonyloxy)-26,28-dipropoxycalix[4]arene

: 1378022-47-9
11,23-di-tert-butyl-5,17-bis(N'-phenyl-ureido)-26,28-dipropoxycalix[4]arene-25,27-diol

Guidance literature:: Multi-step reaction with 3 steps

1: potassium hydroxide / ethanol; dichloromethane / 24 h / 20 °C

2: hydrazine hydrate / methanol / 5 h / Reflux

3: dichloromethane / 48 h / 20 °C / Inert atmosphere

With hydrazine hydrate; potassium hydroxide; In methanol; ethanol; dichloromethane;
DOI:10.1016/j.tet.2012.03.102