25,27-bis{[2-(benzyloxy)ethyl]oxy}-26,28-bis{[2-(tert-butyldimethylsilyloxy)ethyl]oxy}calix[4]arene

Base Information

Chemical Name:25,27-bis{[2-(benzyloxy)ethyl]oxy}-26,28-bis{[2-(tert-butyldimethylsilyloxy)ethyl]oxy}calix[4]arene
CAS No.:944127-26-8
Molecular Formula:C₆₂H₈₀O₈Si₂
Molecular Weight:1009.48
Hs Code.:

Synonyms:25,27-bis{[2-(benzyloxy)ethyl]oxy}-26,28-bis{[2-(tert-butyldimethylsilyloxy)ethyl]oxy}calix[4]arene

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Chemical Property of 25,27-bis{[2-(benzyloxy)ethyl]oxy}-26,28-bis{[2-(tert-butyldimethylsilyloxy)ethyl]oxy}calix[4]arene

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Technology Process of 25,27-bis{[2-(benzyloxy)ethyl]oxy}-26,28-bis{[2-(tert-butyldimethylsilyloxy)ethyl]oxy}calix[4]arene

There total 3 articles about 25,27-bis{[2-(benzyloxy)ethyl]oxy}-26,28-bis{[2-(tert-butyldimethylsilyloxy)ethyl]oxy}calix[4]arene 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: 67.0%

: 944127-25-7
25,27-bis[(2-benzyloxy)ethyloxy]-26,28-dihydroxycalix[4]arene

: 148400-72-0
2-[tert-butyl(dimethyl)silyl]oxyethyl 4-methylbenzenesulfonate

: 944127-26-8
25,27-bis{[2-(benzyloxy)ethyl]oxy}-26,28-bis{[2-(tert-butyldimethylsilyloxy)ethyl]oxy}calix[4]arene

Guidance literature:: With caesium carbonate; In N,N-dimethyl-formamide; at 90 ℃; for 24h;
DOI:10.1002/anie.200500057

Reference yield:

: 4981-83-3
2-(Benzyloxy)ethyl p-toluenesulfonate

: 944127-26-8
25,27-bis{[2-(benzyloxy)ethyl]oxy}-26,28-bis{[2-(tert-butyldimethylsilyloxy)ethyl]oxy}calix[4]arene

Guidance literature:: Multi-step reaction with 2 steps

1.1: 71 percent / K₂CO₃ / acetonitrile / 24 h / Heating

2.1: Cs₂CO₃ / dimethylformamide / 1 h / 90 °C

2.2: 67 percent / dimethylformamide / 24 h / 90 °C

With potassium carbonate; caesium carbonate; In N,N-dimethyl-formamide; acetonitrile; 1.1: Williamson alkylation reaction / 2.1: Williamson alkylation reaction;
DOI:10.1002/chem.200601545

Reference yield:

: 248590-47-8,74568-07-3
25,26,27,28-tetrakis(hydroxy)calix[4]arene

: 944127-26-8
25,27-bis{[2-(benzyloxy)ethyl]oxy}-26,28-bis{[2-(tert-butyldimethylsilyloxy)ethyl]oxy}calix[4]arene

Guidance literature:: Multi-step reaction with 2 steps

1.1: 71 percent / K₂CO₃ / acetonitrile / 24 h / Heating

2.1: Cs₂CO₃ / dimethylformamide / 1 h / 90 °C

2.2: 67 percent / dimethylformamide / 24 h / 90 °C

With potassium carbonate; caesium carbonate; In N,N-dimethyl-formamide; acetonitrile; 1.1: Williamson alkylation reaction / 2.1: Williamson alkylation reaction;
DOI:10.1002/chem.200601545