carbonic acid tert-butyl ester 2-tert-butyl-6-phenylethynyl-4-[(triisopropylsilanyl)-ethynyl]-phenyl ester

Base Information

• Chemical Name: carbonic acid tert-butyl ester 2-tert-butyl-6-phenylethynyl-4-[(triisopropylsilanyl)-ethynyl]-phenyl ester
• CAS No.: 676256-77-2
• Molecular Formula: C₃₄H₄₆O₃Si
• Molecular Weight: 530.823

Synonyms:carbonic acid tert-butyl ester 2-tert-butyl-6-phenylethynyl-4-[(triisopropylsilanyl)-ethynyl]-phenyl ester

Chemical Property of carbonic acid tert-butyl ester 2-tert-butyl-6-phenylethynyl-4-[(triisopropylsilanyl)-ethynyl]-phenyl ester

Chemical Property:

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Technology Process of carbonic acid tert-butyl ester 2-tert-butyl-6-phenylethynyl-4-[(triisopropylsilanyl)-ethynyl]-phenyl ester

There total 2 articles about carbonic acid tert-butyl ester 2-tert-butyl-6-phenylethynyl-4-[(triisopropylsilanyl)-ethynyl]-phenyl ester 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: 98.0%

phenylacetylene (536-74-3) + carbonic acid tert-butyl ester 2-tert-butyl-6-iodo-4-[(triisopropylsilanyl)-ethynyl]-phenyl ester (364068-82-6) → carbonic acid tert-butyl ester 2-tert-butyl-6-phenylethynyl-4-[(triisopropylsilanyl)-ethynyl]-phenyl ester (676256-77-2)

Guidance literature:

With copper(l) iodide; triethylamine; triphenylphosphine; palladium diacetate; at 70 ℃; for 6h;

DOI:10.1002/chem.200305284

Reference yield:

di-tert-butyl dicarbonate (24424-99-5) → carbonic acid tert-butyl ester 2-tert-butyl-6-phenylethynyl-4-[(triisopropylsilanyl)-ethynyl]-phenyl ester (676256-77-2)

Guidance literature:

Multi-step reaction with 2 steps

1: 7.3 g / K₂CO₃; DMAP; [18]crown-6 / tetrahydrofuran / 1 h

2: 98 percent / CuI; PPh₃; Et₃N / Pd(OAc)2 / 6 h / 70 °C

With dmap; copper(l) iodide; 18-crown-6 ether; potassium carbonate; triethylamine; triphenylphosphine; palladium diacetate; In tetrahydrofuran;

DOI:10.1002/chem.200305284

Reference yield:

carbonic acid tert-butyl ester 2-tert-butyl-6-phenylethynyl-4-[(triisopropylsilanyl)-ethynyl]-phenyl ester (676256-77-2) → carbonic acid tert-butyl ester 2-tert-butyl-4-ethynyl-6-phenylethynyl-phenyl ester (364068-83-7)

Guidance literature:

With tetrabutyl ammonium fluoride; In tetrahydrofuran; dichloromethane; at 20 ℃; for 0.25h;

DOI:10.1002/chem.200305284

upstream raw materials:

phenylacetylene

carbonic acid tert-butyl ester 2-tert-butyl-6-iodo-4-[(triisopropylsilanyl)-ethynyl]-phenyl ester

di-tert-butyl dicarbonate

Downstream raw materials:

carbonic acid tert-butyl ester 2-tert-butyl-4-ethynyl-6-phenylethynyl-phenyl ester

C₄₂H₄₆O₆

C₅₃H₅₈O₉

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