5,17-Di-tert-butyl-11,23-bis(cyanomethyl)-25,27-bis(benzyloxy)calix<4>arene-26,28-diol

Base Information

• Chemical Name: 5,17-Di-tert-butyl-11,23-bis(cyanomethyl)-25,27-bis(benzyloxy)calix<4>arene-26,28-diol
• CAS No.: 170940-12-2
• Molecular Formula: C₅₄H₅₄N₂O₄
• Molecular Weight: 795.034
• Mol file: 170940-12-2.mol

Synonyms:5,17-Di-tert-butyl-11,23-bis(cyanomethyl)-25,27-bis(benzyloxy)calix<4>arene-26,28-diol

Chemical Property of 5,17-Di-tert-butyl-11,23-bis(cyanomethyl)-25,27-bis(benzyloxy)calix<4>arene-26,28-diol

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 5,17-Di-tert-butyl-11,23-bis(cyanomethyl)-25,27-bis(benzyloxy)calix<4>arene-26,28-diol

There total 5 articles about 5,17-Di-tert-butyl-11,23-bis(cyanomethyl)-25,27-bis(benzyloxy)calix<4>arene-26,28-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: 82.0%

benzyl bromide (100-39-0) + 5,17-Di-tert-butyl-11,23-bis(cyanomethyl)calix[4]arene-25,26,27,28-tetrol (170940-14-4) → 5,17-Di-tert-butyl-11,23-bis(cyanomethyl)-25,27-bis(benzyloxy)calix<4>arene-26,28-diol (170940-12-2)

Guidance literature:

With potassium carbonate; In acetone; for 24h; Ambient temperature;

DOI:10.1021/jo00124a017

Reference yield:

5,17-di-tert-butyl-25,27-bis((3,5-dinitrobenzoyl)oxy)-26,28-dihydroxycalix<4>arene (137258-45-8,142435-21-0) → 5,17-Di-tert-butyl-11,23-bis(cyanomethyl)-25,27-bis(benzyloxy)calix<4>arene-26,28-diol (170940-12-2)

Guidance literature:

Multi-step reaction with 5 steps

1: 89 percent / 5percent NaOH / aq. ethanol / 3 h / Heating

2: 92 percent / AcOH / tetrahydrofuran; H₂O / 24 h / Ambient temperature

3: dimethylsulfoxide / 0.5 h / Ambient temperature

4: dimethylsulfoxide / 15 h / 100 °C

5: 82 percent / K₂CO₃ / acetone / 24 h / Ambient temperature

With sodium hydroxide; potassium carbonate; acetic acid; In tetrahydrofuran; ethanol; water; dimethyl sulfoxide; acetone;

DOI:10.1021/jo00124a017

Reference yield:

11,23-di-tert-butylcalix<4>arene-25,26,27,28-tetrol (137571-15-4) → 5,17-Di-tert-butyl-11,23-bis(cyanomethyl)-25,27-bis(benzyloxy)calix<4>arene-26,28-diol (170940-12-2)

Guidance literature:

Multi-step reaction with 4 steps

1: 92 percent / AcOH / tetrahydrofuran; H₂O / 24 h / Ambient temperature

2: dimethylsulfoxide / 0.5 h / Ambient temperature

3: dimethylsulfoxide / 15 h / 100 °C

4: 82 percent / K₂CO₃ / acetone / 24 h / Ambient temperature

With potassium carbonate; acetic acid; In tetrahydrofuran; water; dimethyl sulfoxide; acetone;

DOI:10.1021/jo00124a017

upstream raw materials:

benzyl bromide

5,17-Di-tert-butyl-11,23-bis(cyanomethyl)calix[4]arene-25,26,27,28-tetrol

5,17-di-tert-butyl-25,27-bis((3,5-dinitrobenzoyl)oxy)-26,28-dihydroxycalix<4>arene

11,23-di-tert-butylcalix<4>arene-25,26,27,28-tetrol