5,11,17,23-tetra-tert-butyl-25,26-bis(diphenylphosphinoylmethoxy)-27,28-bis(hydroxy)calix[4]arene

Base Information

• Chemical Name: 5,11,17,23-tetra-tert-butyl-25,26-bis(diphenylphosphinoylmethoxy)-27,28-bis(hydroxy)calix[4]arene
• CAS No.: 172036-62-3
• Molecular Formula: C₇₀H₇₈O₆P₂
• Molecular Weight: 1077.33

Synonyms:5,11,17,23-tetra-tert-butyl-25,26-bis(diphenylphosphinoylmethoxy)-27,28-bis(hydroxy)calix[4]arene

Chemical Property of 5,11,17,23-tetra-tert-butyl-25,26-bis(diphenylphosphinoylmethoxy)-27,28-bis(hydroxy)calix[4]arene

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Technology Process of 5,11,17,23-tetra-tert-butyl-25,26-bis(diphenylphosphinoylmethoxy)-27,28-bis(hydroxy)calix[4]arene

There total 1 articles about 5,11,17,23-tetra-tert-butyl-25,26-bis(diphenylphosphinoylmethoxy)-27,28-bis(hydroxy)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: 66.0%

5,11,17,23-tetra-t-butyl-25,26,27,28-tetrahydroxycalix-4-arene (157432-87-6,288302-11-4,288302-12-5,60705-62-6) + (diphenylphosphoryl)methyl p-toluenesulfonate (33730-69-7) → 5,11,17,23-tetra-tert-butyl-25,26-bis(diphenylphosphinoylmethoxy)-27,28-bis(hydroxy)calix[4]arene (172036-62-3)

Guidance literature:

With sodium hydride; In N,N-dimethyl-formamide; at 0 ℃;

DOI:10.1039/a905814a

Reference yield: 99.0%

5,11,17,23-tetra-tert-butyl-25,26-bis(diphenylphosphinoylmethoxy)-27,28-bis(hydroxy)calix[4]arene (172036-62-3) → cone-5,11,17,23-tetra-tert-butyl-25,26-bis(diphenylphosphinomethoxy)-27,28-dihydroxycalix[4]arene (258884-32-1)

Guidance literature:

With phenylsilane; In toluene; at 90 - 100 ℃; for 168h;

DOI:10.1039/a905814a

Reference yield: 91.0%

ethyl bromoacetate (105-36-2) + 5,11,17,23-tetra-tert-butyl-25,26-bis(diphenylphosphinoylmethoxy)-27,28-bis(hydroxy)calix[4]arene (172036-62-3) → 5,11,17,23-tetra-tert-butyl-25,26-bis(diphenylphosphinoylmethoxy)-27,28-bis(ethoxycarbonylmethoxy)calix[4]arene

Guidance literature:

With potassium carbonate; In acetonitrile; for 74h; Heating;

DOI:10.1039/b101369f

upstream raw materials:

5,11,17,23-tetra-t-butyl-25,26,27,28-tetrahydroxycalix-4-arene

(diphenylphosphoryl)methyl p-toluenesulfonate

Downstream raw materials:

cone-5,11,17,23-tetra-tert-butyl-25,26-bis(diphenylphosphinomethoxy)-27,28-dihydroxycalix[4]arene

(R,R)-5,11,17,23-tetra-tert-butyl-25,26-bis(diphenylphosphinoylmethoxy)-27,28-bis[(1-phenylethyl)carbamoylmethoxy]calix[4]arene

5,11,17,23-tetra-tert-butyl-25,26-bis(diphenylphosphinomethoxy)-27(or 28)-benzoyloxy-28(or 27)-hydroxycalix[4] arene

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