(5Z,7E)-(1S,2R,3S)-bis(triethylsilyloxy)-2-(3-triethylsilyloxypropoxy)-25-hydroxy-9,10-secocholesta-5,7,10⁽¹⁹⁾-triene

Base Information

• Chemical Name: (5Z,7E)-(1S,2R,3S)-bis(triethylsilyloxy)-2-(3-triethylsilyloxypropoxy)-25-hydroxy-9,10-secocholesta-5,7,10⁽¹⁹⁾-triene
• CAS No.: 957255-22-0
• Molecular Formula: C₄₈H₉₂O₅Si₃
• Molecular Weight: 833.512

Synonyms:(5Z,7E)-(1S,2R,3S)-bis(triethylsilyloxy)-2-(3-triethylsilyloxypropoxy)-25-hydroxy-9,10-secocholesta-5,7,10⁽¹⁹⁾-triene

Chemical Property of (5Z,7E)-(1S,2R,3S)-bis(triethylsilyloxy)-2-(3-triethylsilyloxypropoxy)-25-hydroxy-9,10-secocholesta-5,7,10⁽¹⁹⁾-triene

Chemical Property:

Purity/Quality:

98% ^*data from raw suppliers

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Technology Process of (5Z,7E)-(1S,2R,3S)-bis(triethylsilyloxy)-2-(3-triethylsilyloxypropoxy)-25-hydroxy-9,10-secocholesta-5,7,10⁽¹⁹⁾-triene

There total 1 articles about (5Z,7E)-(1S,2R,3S)-bis(triethylsilyloxy)-2-(3-triethylsilyloxypropoxy)-25-hydroxy-9,10-secocholesta-5,7,10⁽¹⁹⁾-triene 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: 80.0%

(3S,4R,5S)-4-(3-(triethylsilyloxy)propoxy)-3,5-bis(triethylsilyloxy)oct-1-en-7-yne (957255-17-3) + (E)-(20R)-de-A,B-8-(bromomethylene)cholestan-25-ol (143705-63-9) → (5Z,7E)-(1S,2R,3S)-bis(triethylsilyloxy)-2-(3-triethylsilyloxypropoxy)-25-hydroxy-9,10-secocholesta-5,7,10(19)-triene (957255-22-0)

Guidance literature:

With triethylamine; tetrakis(triphenylphosphine) palladium⁽⁰⁾; In toluene; for 2h; Heating;

DOI:10.1016/S0385-5414(07)81102-6

Reference yield: 60.0%

(5Z,7E)-(1S,2R,3S)-bis(triethylsilyloxy)-2-(3-triethylsilyloxypropoxy)-25-hydroxy-9,10-secocholesta-5,7,10(19)-triene (957255-22-0) → (5Z,7E)-(1S,2R,3S)-2-(3-hydroxypropoxy)-9,10-secocholesta-5,7,10(19)-triene-1,3,25-triol (957254-98-7)

Guidance literature:

With hydrogen fluoride; In acetonitrile; at 20 ℃; for 17h;

DOI:10.1016/S0385-5414(07)81102-6

upstream raw materials:

(3S,4R,5S)-4-(3-(triethylsilyloxy)propoxy)-3,5-bis(triethylsilyloxy)oct-1-en-7-yne

(E)-(20R)-de-A,B-8-(bromomethylene)cholestan-25-ol

Downstream raw materials:

(5Z,7E)-(1S,2R,3S)-2-(3-hydroxypropoxy)-9,10-secocholesta-5,7,10⁽¹⁹⁾-triene-1,3,25-triol

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