tert-butyl 4-<(2R)-2-cyano-7-<4-<<<4'-(pentyloxy)-4-biphenyl>carbonyl>oxy>phenyl>heptylidene>benzoate

Base Information

Chemical Name:tert-butyl 4-<(2R)-2-cyano-7-<4-<<<4'-(pentyloxy)-4-biphenyl>carbonyl>oxy>phenyl>heptylidene>benzoate
CAS No.:151608-76-3
Molecular Formula:C₄₃H₄₉NO₅
Molecular Weight:659.866
Hs Code.:

Synonyms:tert-butyl 4-<(2R)-2-cyano-7-<4-<<<4'-(pentyloxy)-4-biphenyl>carbonyl>oxy>phenyl>heptylidene>benzoate

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Chemical Property of tert-butyl 4-<(2R)-2-cyano-7-<4-<<<4'-(pentyloxy)-4-biphenyl>carbonyl>oxy>phenyl>heptylidene>benzoate

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Technology Process of tert-butyl 4-<(2R)-2-cyano-7-<4-<<<4'-(pentyloxy)-4-biphenyl>carbonyl>oxy>phenyl>heptylidene>benzoate

There total 3 articles about tert-butyl 4-<(2R)-2-cyano-7-<4-<<<4'-(pentyloxy)-4-biphenyl>carbonyl>oxy>phenyl>heptylidene>benzoate 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%

: 59748-15-1
4'-n-pentyloxybiphenyl-4-carboxylic acid

: 136760-27-5
tert-butyl 4-<(2R)-2-cyano-7-(4-hydroxyphenyl)heptylidene>benzoate

: 151608-76-3
tert-butyl 4-<(2R)-2-cyano-7-<4-<<<4'-(pentyloxy)-4-biphenyl>carbonyl>oxy>phenyl>heptylidene>benzoate

Guidance literature:: With bis-2-propyl carbonate; 4-(dimethylamino)pyridinium tosylate; In dichloromethane; for 36h; Ambient temperature;
DOI:10.1021/ja00124a005

Reference yield:

: 126063-61-4
tert-butyl 4-<(2R)-2-cyano-7-<4<(dimethylthexylsilyl)oxy>phenyl>heptylidene>benzoate

: 151608-76-3
tert-butyl 4-<(2R)-2-cyano-7-<4-<<<4'-(pentyloxy)-4-biphenyl>carbonyl>oxy>phenyl>heptylidene>benzoate

Guidance literature:: Multi-step reaction with 2 steps

1: 100 percent / TBAF / tetrahydrofuran / 3 h / -78 °C

2: 80 percent / DPTS, DIPC / CH₂Cl₂ / 36 h / Ambient temperature

With bis-2-propyl carbonate; tetrabutyl ammonium fluoride; 4-(dimethylamino)pyridinium tosylate; In tetrahydrofuran; dichloromethane;
DOI:10.1021/ja00124a005

Reference yield:

: 4-((R)-7-{4-[Dimethyl-(1,1,2-trimethyl-propyl)-silanyloxy]-phenyl}-2-{[(E)-(R)-2-methoxymethyl-pyrrolidin-1-ylimino]-methyl}-heptyl)-benzoic acid tert-butyl ester

: 151608-76-3
tert-butyl 4-<(2R)-2-cyano-7-<4-<<<4'-(pentyloxy)-4-biphenyl>carbonyl>oxy>phenyl>heptylidene>benzoate

Guidance literature:: Multi-step reaction with 3 steps

1: 89 percent / SeO₂, 30percent aq. H₂O₂ / methanol / 0.5 h / Ambient temperature

2: 100 percent / TBAF / tetrahydrofuran / 3 h / -78 °C

3: 80 percent / DPTS, DIPC / CH₂Cl₂ / 36 h / Ambient temperature

With selenium(IV) oxide; bis-2-propyl carbonate; tetrabutyl ammonium fluoride; dihydrogen peroxide; 4-(dimethylamino)pyridinium tosylate; In tetrahydrofuran; methanol; dichloromethane;
DOI:10.1021/ja00124a005