(S,S)-(-)-5,17-bis[(o-anisylphenylphosphino)]-25,26,27,28-tetrapropoxycalix[4]arene

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Chemical Name:(S,S)-(-)-5,17-bis[(o-anisylphenylphosphino)]-25,26,27,28-tetrapropoxycalix[4]arene
CAS No.:1431139-04-6
Molecular Formula:C₆₆H₇₀O₆P₂
Molecular Weight:1021.23
Hs Code.:

Synonyms:(S,S)-(-)-5,17-bis[(o-anisylphenylphosphino)]-25,26,27,28-tetrapropoxycalix[4]arene

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Chemical Property of (S,S)-(-)-5,17-bis[(o-anisylphenylphosphino)]-25,26,27,28-tetrapropoxycalix[4]arene

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Technology Process of (S,S)-(-)-5,17-bis[(o-anisylphenylphosphino)]-25,26,27,28-tetrapropoxycalix[4]arene

There total 7 articles about (S,S)-(-)-5,17-bis[(o-anisylphenylphosphino)]-25,26,27,28-tetrapropoxycalix[4]arene 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%

: 1431138-89-4
(S,S)-(-)-5,17-bis[(o-anisylphenylphosphinoborane)]-25,26,27,28-tetrapropoxycalix[4]arene

: 1431139-04-6
(S,S)-(-)-5,17-bis[(o-anisylphenylphosphino)]-25,26,27,28-tetrapropoxycalix[4]arene

Guidance literature:: With 1,4-diaza-bicyclo[2.2.2]octane; In toluene; at 50 ℃; for 12h; Inert atmosphere;
DOI:10.1021/om400229p

Reference yield:

: 172472-58-1,176299-00-6,863555-70-8
5,17-dibromo-25,26,27,28-tetra-n-propylcalix[4]arene

: 1431139-04-6
(S,S)-(-)-5,17-bis[(o-anisylphenylphosphino)]-25,26,27,28-tetrapropoxycalix[4]arene

Guidance literature:: Multi-step reaction with 2 steps

1.1: sec.-butyllithium / tetrahydrofuran; cyclohexane / 0.08 h / -78 °C / Inert atmosphere

1.2: 1 h / -78 °C / Inert atmosphere

2.1: 1,4-diaza-bicyclo[2.2.2]octane / toluene / 12 h / 50 °C / Inert atmosphere

With 1,4-diaza-bicyclo[2.2.2]octane; sec.-butyllithium; In tetrahydrofuran; cyclohexane; toluene;
DOI:10.1021/om400229p

Reference yield:

: (2R_P,4S_C,5R_C)-(+)-3,4-dimethyl-2,5-diphenyl-1,3,2-oxazaphospholidine borane

: 1431139-04-6
(S,S)-(-)-5,17-bis[(o-anisylphenylphosphino)]-25,26,27,28-tetrapropoxycalix[4]arene

Guidance literature:: Multi-step reaction with 4 steps

1.1: sec.-butyllithium / hexane; tetrahydrofuran / 0.75 h / -78 °C / Inert atmosphere

1.2: -78 - 20 °C / Inert atmosphere

2.1: hydrogenchloride / toluene / 2 h / 20 °C / Inert atmosphere

3.1: sec.-butyllithium / cyclohexane / Inert atmosphere

3.2: 2 h / -78 - 20 °C / Inert atmosphere

4.1: 1,4-diaza-bicyclo[2.2.2]octane / toluene / 12 h / 50 °C / Inert atmosphere

With 1,4-diaza-bicyclo[2.2.2]octane; hydrogenchloride; sec.-butyllithium; In tetrahydrofuran; hexane; cyclohexane; toluene;
DOI:10.1021/om400229p