(2E,6E,8E)-5-Benzenesulfonyl-3,7-dimethyl-9-(2,6,6-trimethyl-cyclohex-1-enyl)-nona-2,6,8-trienoic acid 2,5,7,8-tetramethyl-2-(4,8,12-trimethyl-tridecyl)-chroman-6-yl ester

Base Information

Chemical Name:(2E,6E,8E)-5-Benzenesulfonyl-3,7-dimethyl-9-(2,6,6-trimethyl-cyclohex-1-enyl)-nona-2,6,8-trienoic acid 2,5,7,8-tetramethyl-2-(4,8,12-trimethyl-tridecyl)-chroman-6-yl ester
CAS No.:843647-71-2
Molecular Formula:C₅₅H₈₂O₅S
Molecular Weight:855.319
Hs Code.:

(2E,6E,8E)-5-Benzenesulfonyl-3,7-dimethyl-9-(2,6,6-trimethyl-cyclohex-1-enyl)-nona-2,6,8-trienoic acid 2,5,7,8-tetramethyl-2-(4,8,12-trimethyl-tridecyl)-chroman-6-yl ester

Synonyms:(2E,6E,8E)-5-Benzenesulfonyl-3,7-dimethyl-9-(2,6,6-trimethyl-cyclohex-1-enyl)-nona-2,6,8-trienoic acid 2,5,7,8-tetramethyl-2-(4,8,12-trimethyl-tridecyl)-chroman-6-yl ester

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Chemical Property of (2E,6E,8E)-5-Benzenesulfonyl-3,7-dimethyl-9-(2,6,6-trimethyl-cyclohex-1-enyl)-nona-2,6,8-trienoic acid 2,5,7,8-tetramethyl-2-(4,8,12-trimethyl-tridecyl)-chroman-6-yl ester

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Technology Process of (2E,6E,8E)-5-Benzenesulfonyl-3,7-dimethyl-9-(2,6,6-trimethyl-cyclohex-1-enyl)-nona-2,6,8-trienoic acid 2,5,7,8-tetramethyl-2-(4,8,12-trimethyl-tridecyl)-chroman-6-yl ester

There total 5 articles about (2E,6E,8E)-5-Benzenesulfonyl-3,7-dimethyl-9-(2,6,6-trimethyl-cyclohex-1-enyl)-nona-2,6,8-trienoic acid 2,5,7,8-tetramethyl-2-(4,8,12-trimethyl-tridecyl)-chroman-6-yl 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: 74.0%

: 38987-91-6
5-(2,6,6-trimethyl-cyclohex-1-enyl)-3-methyl-1-phenyl-sulphonyl-penta-2,4-diene

: 434283-23-5
(E)-4-Bromo-3-methyl-but-2-enoic acid 2,5,7,8-tetramethyl-2-(4,8,12-trimethyl-tridecyl)-chroman-6-yl ester

: 843647-71-2
(2E,6E,8E)-5-Benzenesulfonyl-3,7-dimethyl-9-(2,6,6-trimethyl-cyclohex-1-enyl)-nona-2,6,8-trienoic acid 2,5,7,8-tetramethyl-2-(4,8,12-trimethyl-tridecyl)-chroman-6-yl ester

Guidance literature:: 5-(2,6,6-trimethyl-cyclohex-1-enyl)-3-methyl-1-phenyl-sulphonyl-penta-2,4-diene; With n-butyllithium; In tetrahydrofuran; hexane; at -78 ℃; for 0.5h;

(E)-4-Bromo-3-methyl-but-2-enoic acid 2,5,7,8-tetramethyl-2-(4,8,12-trimethyl-tridecyl)-chroman-6-yl ester; In tetrahydrofuran; hexane; at -78 ℃; for 1h;
DOI:10.1055/s-2004-834867

Reference yield:

: 59-02-9,18920-62-2
vitamin E

: 843647-71-2
(2E,6E,8E)-5-Benzenesulfonyl-3,7-dimethyl-9-(2,6,6-trimethyl-cyclohex-1-enyl)-nona-2,6,8-trienoic acid 2,5,7,8-tetramethyl-2-(4,8,12-trimethyl-tridecyl)-chroman-6-yl ester

Guidance literature:: Multi-step reaction with 2 steps

1.1: BuLi / tetrahydrofuran; hexane / 0.67 h / -78 °C

1.2: 99 percent / tetrahydrofuran; hexane / 0.5 h / -78 °C

2.1: BuLi / tetrahydrofuran; hexane / 0.5 h / -78 °C

2.2: 74 percent / tetrahydrofuran; hexane / 1 h / -78 °C

With n-butyllithium; In tetrahydrofuran; hexane; 2.2: Julia olefination;
DOI:10.1055/s-2004-834867

Reference yield:

: 541-47-9
3-Methylbutenoic acid

: 843647-71-2
(2E,6E,8E)-5-Benzenesulfonyl-3,7-dimethyl-9-(2,6,6-trimethyl-cyclohex-1-enyl)-nona-2,6,8-trienoic acid 2,5,7,8-tetramethyl-2-(4,8,12-trimethyl-tridecyl)-chroman-6-yl ester

Guidance literature:: Multi-step reaction with 4 steps

1.1: NBS; AIBN / CCl₄ / 0.5 h / Heating

1.2: 43 percent / aq. NaOH / CCl₄ / 1 h / 20 °C

2.1: oxalyl chloride / benzene

3.1: BuLi / tetrahydrofuran; hexane / 0.67 h / -78 °C

3.2: 99 percent / tetrahydrofuran; hexane / 0.5 h / -78 °C

4.1: BuLi / tetrahydrofuran; hexane / 0.5 h / -78 °C

4.2: 74 percent / tetrahydrofuran; hexane / 1 h / -78 °C

With N-Bromosuccinimide; n-butyllithium; oxalyl dichloride; 2,2'-azobis(isobutyronitrile); In tetrahydrofuran; tetrachloromethane; hexane; benzene; 4.2: Julia olefination;
DOI:10.1055/s-2004-834867