11,20-dibenzenesulfonyl-11,12,19,20-tetrahydro-β-carotene

Base Information

Chemical Name:11,20-dibenzenesulfonyl-11,12,19,20-tetrahydro-β-carotene
CAS No.:251291-82-4
Molecular Formula:C₅₂H₆₈O₄S₂
Molecular Weight:821.242
Hs Code.:

Synonyms:11,20-dibenzenesulfonyl-11,12,19,20-tetrahydro-β-carotene

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Chemical Property of 11,20-dibenzenesulfonyl-11,12,19,20-tetrahydro-β-carotene

Chemical Property:

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MSDS Files:: SDS file from LookChem

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Technology Process of 11,20-dibenzenesulfonyl-11,12,19,20-tetrahydro-β-carotene

There total 7 articles about 11,20-dibenzenesulfonyl-11,12,19,20-tetrahydro-β-carotene 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: 69.0%

: 251291-81-3
bis(11-benzenesulfonyl-11,12-dihydroretinyl) sulfone

: 251291-82-4
11,20-dibenzenesulfonyl-11,12,19,20-tetrahydro-β-carotene

Guidance literature:: With potassium hydroxide; In tetrachloromethane; tert-butyl alcohol; at 20 ℃; for 5h;
DOI:10.1021/jo990987r

Reference yield:

: 62285-77-2
(E)-chloro-2-methyl-2-buten-1-aldimethylacetal

: 251291-82-4
11,20-dibenzenesulfonyl-11,12,19,20-tetrahydro-β-carotene

Guidance literature:: Multi-step reaction with 7 steps

1.1: Na₂S*9H₂O / methanol / 10 h / 20 °C

2.1: 7.43 g / HCl / methanol / 1 h / 20 °C

3.1: LiAlH₄ / tetrahydrofuran / 1 h / 0 °C

4.1: 9.26 g / PPh₃; CCl₄ / acetonitrile / 5 h / 20 °C

5.1: NaH / tetrahydrofuran / 0.25 h / 20 °C

5.2: 85 percent / NaI / tetrahydrofuran / 15 h / 20 °C

6.1: 72 percent / urea-hydrogen peroxide; phthalic anhydride / acetonitrile / 1 h / 0 °C

7.1: 69 percent / KOH / 2-methyl-propan-2-ol; CCl₄ / 5 h / 20 °C

With hydrogenchloride; tetrachloromethane; sodium sulfide; potassium hydroxide; lithium aluminium tetrahydride; phthalic anhydride; urea-hydrogen peroxide; sodium hydride; triphenylphosphine; In tetrahydrofuran; methanol; tetrachloromethane; acetonitrile; tert-butyl alcohol; 1.1: coupling / 2.1: Hydrolysis / 3.1: Reduction / 4.1: Chlorination / 5.1: Metallation / 5.2: coupling; Julia reaction / 6.1: Oxidation / 7.1: Elimination;
DOI:10.1021/jo990987r

Reference yield:

: 251291-80-2
bis(3-formyl-3-methyl-2-propenyl) sulfide

: 251291-82-4
11,20-dibenzenesulfonyl-11,12,19,20-tetrahydro-β-carotene

Guidance literature:: Multi-step reaction with 5 steps

1.1: LiAlH₄ / tetrahydrofuran / 1 h / 0 °C

2.1: 9.26 g / PPh₃; CCl₄ / acetonitrile / 5 h / 20 °C

3.1: NaH / tetrahydrofuran / 0.25 h / 20 °C

3.2: 85 percent / NaI / tetrahydrofuran / 15 h / 20 °C

4.1: 72 percent / urea-hydrogen peroxide; phthalic anhydride / acetonitrile / 1 h / 0 °C

5.1: 69 percent / KOH / 2-methyl-propan-2-ol; CCl₄ / 5 h / 20 °C

With tetrachloromethane; potassium hydroxide; lithium aluminium tetrahydride; phthalic anhydride; urea-hydrogen peroxide; sodium hydride; triphenylphosphine; In tetrahydrofuran; tetrachloromethane; acetonitrile; tert-butyl alcohol; 1.1: Reduction / 2.1: Chlorination / 3.1: Metallation / 3.2: coupling; Julia reaction / 4.1: Oxidation / 5.1: Elimination;
DOI:10.1021/jo990987r