[(3S,5S)-5-(tert-Butyl-dimethyl-silanyloxy)-3-(tert-butyl-dimethyl-silanyloxymethyl)-2-methylene-cyclohex-(E)-ylidene]-acetic acid ethyl ester

Base Information

• Chemical Name: [(3S,5S)-5-(tert-Butyl-dimethyl-silanyloxy)-3-(tert-butyl-dimethyl-silanyloxymethyl)-2-methylene-cyclohex-(E)-ylidene]-acetic acid ethyl ester
• CAS No.: 142508-74-5
• Molecular Formula: C₂₄H₄₆O₄Si₂
• Molecular Weight: 454.798

Synonyms:

Chemical Property of [(3S,5S)-5-(tert-Butyl-dimethyl-silanyloxy)-3-(tert-butyl-dimethyl-silanyloxymethyl)-2-methylene-cyclohex-(E)-ylidene]-acetic acid ethyl ester

Chemical Property:

Purity/Quality:

Safty Information:

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Technology Process of [(3S,5S)-5-(tert-Butyl-dimethyl-silanyloxy)-3-(tert-butyl-dimethyl-silanyloxymethyl)-2-methylene-cyclohex-(E)-ylidene]-acetic acid ethyl ester

There total 21 articles about [(3S,5S)-5-(tert-Butyl-dimethyl-silanyloxy)-3-(tert-butyl-dimethyl-silanyloxymethyl)-2-methylene-cyclohex-(E)-ylidene]-acetic acid 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: 87.0%

[(3S,5S)-5-(tert-Butyl-dimethyl-silanyloxy)-3-(tert-butyl-dimethyl-silanyloxymethyl)-2-methylene-cyclohex-(E)-ylidene]-acetic acid ethyl ester (142508-74-5,142562-66-1,142562-67-2,142562-68-3,142562-69-4,142630-83-9) → [(3S,5S)-5-(tert-Butyl-dimethyl-silanyloxy)-3-(tert-butyl-dimethyl-silanyloxymethyl)-2-methylene-cyclohex-(E)-ylidene]-acetic acid ethyl ester (142508-74-5,142562-66-1,142562-67-2,142562-68-3,142562-69-4,142630-83-9)

Guidance literature:

With 9-fluorenone; tert-butyl methyl ether; for 16h; Irradiation;

DOI:10.1021/jm00095a026

Reference yield: 9.0%

1-(phenylsulfinyl)-2,2,2-triethoxyethane (127492-03-9) + [(4R,6S)-4-(tert-Butyl-dimethyl-silanyloxy)-6-(tert-butyl-dimethyl-silanyloxymethyl)-cyclohex-1-enyl]-methanol (142508-73-4) → [(3S,5S)-5-(tert-Butyl-dimethyl-silanyloxy)-3-(tert-butyl-dimethyl-silanyloxymethyl)-2-methylene-cyclohex-(E)-ylidene]-acetic acid ethyl ester (142508-74-5,142562-66-1,142562-67-2,142562-68-3,142562-69-4,142630-83-9) + [(3S,5S)-5-(tert-Butyl-dimethyl-silanyloxy)-3-(tert-butyl-dimethyl-silanyloxymethyl)-2-methylene-cyclohex-(E)-ylidene]-acetic acid ethyl ester (142508-74-5,142562-66-1,142562-67-2,142562-68-3,142562-69-4,142630-83-9)

Guidance literature:

With mesitylenecarboxylic acid; In dichloromethane; at 135 - 145 ℃; for 12.5h;

DOI:10.1021/jm00095a026

Reference yield: 9.0%

1-(phenylsulfinyl)-2,2,2-triethoxyethane (127492-03-9) + [(4R,6S)-4-(tert-Butyl-dimethyl-silanyloxy)-6-(tert-butyl-dimethyl-silanyloxymethyl)-cyclohex-1-enyl]-methanol (142508-73-4) → [(3S,5S)-5-(tert-Butyl-dimethyl-silanyloxy)-3-(tert-butyl-dimethyl-silanyloxymethyl)-2-methylene-cyclohex-(E)-ylidene]-acetic acid ethyl ester (142508-74-5,142562-66-1,142562-67-2,142562-68-3,142562-69-4,142630-83-9) + [(3S,5S)-5-(tert-Butyl-dimethyl-silanyloxy)-3-(tert-butyl-dimethyl-silanyloxymethyl)-2-methylene-cyclohex-(E)-ylidene]-acetic acid ethyl ester (142508-74-5,142562-66-1,142562-67-2,142562-68-3,142562-69-4,142630-83-9)

Guidance literature:

With mesitylenecarboxylic acid; In dichloromethane; at 135 - 145 ℃; for 12.5h;

DOI:10.1021/jm00095a026

upstream raw materials:

1-(phenylsulfinyl)-2,2,2-triethoxyethane

[(4S,6R)-4-(tert-Butyl-dimethyl-silanyloxy)-6-(tert-butyl-dimethyl-silanyloxymethyl)-cyclohex-1-enyl]-methanol

[(4R,6S)-4-(tert-Butyl-dimethyl-silanyloxy)-6-(tert-butyl-dimethyl-silanyloxymethyl)-cyclohex-1-enyl]-methanol

3-bromo-2H-pyran-2-one

Downstream raw materials:

2-[(3R,5R)-5-(tert-Butyl-dimethyl-silanyloxy)-3-(tert-butyl-dimethyl-silanyloxymethyl)-2-methylene-cyclohex-(E)-ylidene]-ethanol

(1R,5R)-5-(tert-Butyl-dimethyl-silanyloxy)-1-(tert-butyl-dimethyl-silanyloxymethyl)-3-[2-chloro-eth-(E)-ylidene]-2-methylene-cyclohexane

1β-(hydroxymethyl)-3β-norhydroxy-3α,25-dihydroxyvitamin D₃

C₃₄H₅₃O₃PSi₂

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