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

Base Information

Chemical Name:5,11,17,23-tetra-tert-butyl-25,26-bis(diphenylphosphinomethoxy)-27(or 28)-benzoyloxy-28(or 27)-hydroxycalix[4] arene
CAS No.:917952-99-9
Molecular Formula:C₇₇H₈₂O₅P₂
Molecular Weight:1149.44
Hs Code.:

Synonyms: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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Chemical Property of 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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Technology Process of 5,11,17,23-tetra-tert-butyl-25,26-bis(diphenylphosphinomethoxy)-27(or 28)-benzoyloxy-28(or 27)-hydroxycalix[4] arene

There total 2 articles about 5,11,17,23-tetra-tert-butyl-25,26-bis(diphenylphosphinomethoxy)-27(or 28)-benzoyloxy-28(or 27)-hydroxycalix[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: 87.0%

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

: 917952-99-9
5,11,17,23-tetra-tert-butyl-25,26-bis(diphenylphosphinomethoxy)-27(or 28)-benzoyloxy-28(or 27)-hydroxycalix[4] arene

Guidance literature:: With phenylsilane; In toluene; at 90 ℃; for 168h;
DOI:10.1039/b602605b

Reference yield:

: 172036-62-3
5,11,17,23-tetra-tert-butyl-25,26-bis(diphenylphosphinoylmethoxy)-27,28-bis(hydroxy)calix[4]arene

: 917952-99-9
5,11,17,23-tetra-tert-butyl-25,26-bis(diphenylphosphinomethoxy)-27(or 28)-benzoyloxy-28(or 27)-hydroxycalix[4] arene

Guidance literature:: Multi-step reaction with 2 steps

1: 68 percent / pyridine / 15 h / 20 °C

2: 87 percent / PhSiH₃ / toluene / 168 h / 90 °C

With pyridine; phenylsilane; In toluene;
DOI:10.1039/b602605b

Reference yield: 85.0%

: 917952-99-9
5,11,17,23-tetra-tert-butyl-25,26-bis(diphenylphosphinomethoxy)-27(or 28)-benzoyloxy-28(or 27)-hydroxycalix[4] arene

: 14104-20-2
silver tetrafluoroborate

: (2-methylallyl)palladium-chloride dimer

: 75-09-2
dichloromethane

: (η3-2-methylallyl)-(P,P')-[5,11,17,23-tetra-tert-butyl-25,26-bis(diphenylphosphinomethoxy)-27(or 28)-benzoyloxy-28(or 27)-hydroxycalix[4] arene]palladium(II) tetrafluoroborate methylene dichloride solvate

Guidance literature:: In tetrahydrofuran; dichloromethane; byproducts: AgCl; under N2 atm. using Schlenk techniques; to soln. of Pd complex in CH2Cl2added soln. of AgBF4 in THF; soln. decanted; supernatant filtered throu gh Celite; added to soln. of ligand in CH2Cl2; after 1 h soln. concd.; pentane added; elem. anal.;
DOI:10.1039/b602605b