phosphoric acid 7-(tert-butyl-diphenyl-silanyloxy)-hept-2-ynyl ester 2-cyano-ethyl ester

Base Information

• Chemical Name: phosphoric acid 7-(tert-butyl-diphenyl-silanyloxy)-hept-2-ynyl ester 2-cyano-ethyl ester
• CAS No.: 750646-55-0
• Molecular Formula: C₂₆H₃₄NO₅PSi
• Molecular Weight: 499.619

Synonyms:phosphoric acid 7-(tert-butyl-diphenyl-silanyloxy)-hept-2-ynyl ester 2-cyano-ethyl ester

Chemical Property of phosphoric acid 7-(tert-butyl-diphenyl-silanyloxy)-hept-2-ynyl ester 2-cyano-ethyl ester

Chemical Property:

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Technology Process of phosphoric acid 7-(tert-butyl-diphenyl-silanyloxy)-hept-2-ynyl ester 2-cyano-ethyl ester

There total 6 articles about phosphoric acid 7-(tert-butyl-diphenyl-silanyloxy)-hept-2-ynyl ester 2-cyano-ethyl 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:

[7-(tert-butyldiphenylsilyloxy)-hept-2-ynyl]-bis-(2-cyano-ethyl) phosphate (750646-54-9) → phosphoric acid 7-(tert-butyl-diphenyl-silanyloxy)-hept-2-ynyl ester 2-cyano-ethyl ester (750646-55-0)

Guidance literature:

With N,N-dimethyl-ethanamine; In methanol;

DOI:10.1002/chem.200305543

Reference yield:

1,7-bis(tert-butyldiphenylsilyloxy)hept-2-yne (832076-95-6) → phosphoric acid 7-(tert-butyl-diphenyl-silanyloxy)-hept-2-ynyl ester 2-cyano-ethyl ester (750646-55-0)

Guidance literature:

Multi-step reaction with 3 steps

1.1: 82 percent / NH₄F / methanol / 8 h / 20 °C

2.1: tetrazole / acetonitrile / 3 h / 20 °C

2.2: 74 percent / iodine; pyridine / tetrahydrofuran; H₂O / 0.08 h / 20 °C

3.1: Me₂NEt / methanol

With 1H-tetrazole; ammonium fluoride; N,N-dimethyl-ethanamine; In methanol; acetonitrile;

DOI:10.1002/chem.200305543

Reference yield:

5-hexyl-1-ol (928-90-5) → phosphoric acid 7-(tert-butyl-diphenyl-silanyloxy)-hept-2-ynyl ester 2-cyano-ethyl ester (750646-55-0)

Guidance literature:

Multi-step reaction with 4 steps

1.1: 95 percent / imidazole / dimethylformamide / 48 h / 20 °C

2.1: BuLi / tetrahydrofuran / 1 h / -40 °C

2.2: 70 percent / tetrahydrofuran / 5 h / -78 - 20 °C

3.1: tetrazole / acetonitrile / 3 h / 20 °C

3.2: 74 percent / iodine; pyridine / tetrahydrofuran; H₂O / 0.08 h / 20 °C

4.1: Me₂NEt / methanol

With 1H-imidazole; 1H-tetrazole; n-butyllithium; N,N-dimethyl-ethanamine; In tetrahydrofuran; methanol; N,N-dimethyl-formamide; acetonitrile;

DOI:10.1002/chem.200305543

upstream raw materials:

[7-(tert-butyldiphenylsilyloxy)-hept-2-ynyl]-bis-(2-cyano-ethyl) phosphate

1,7-bis(tert-butyldiphenylsilyloxy)hept-2-yne

5-hexyl-1-ol

1-(tert-butyldiphenylsilyloxy)-5-hexyne

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