(2E,4E)-8-{(1R,2R)-1-Amino-2-[(S)-2-(tert-butyl-diphenyl-silanyloxy)-1-methyl-ethyl]-cyclopentyl}-2-methyl-octa-2,4-dienoic acid ethyl ester

Base Information

Chemical Name:(2E,4E)-8-{(1R,2R)-1-Amino-2-[(S)-2-(tert-butyl-diphenyl-silanyloxy)-1-methyl-ethyl]-cyclopentyl}-2-methyl-octa-2,4-dienoic acid ethyl ester
CAS No.:403507-14-2
Molecular Formula:C₃₅H₅₁NO₃Si
Molecular Weight:561.88
Hs Code.:

Synonyms:(2E,4E)-8-{(1R,2R)-1-Amino-2-[(S)-2-(tert-butyl-diphenyl-silanyloxy)-1-methyl-ethyl]-cyclopentyl}-2-methyl-octa-2,4-dienoic acid ethyl ester

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Chemical Property of (2E,4E)-8-{(1R,2R)-1-Amino-2-[(S)-2-(tert-butyl-diphenyl-silanyloxy)-1-methyl-ethyl]-cyclopentyl}-2-methyl-octa-2,4-dienoic acid ethyl ester

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Technology Process of (2E,4E)-8-{(1R,2R)-1-Amino-2-[(S)-2-(tert-butyl-diphenyl-silanyloxy)-1-methyl-ethyl]-cyclopentyl}-2-methyl-octa-2,4-dienoic acid ethyl ester

There total 13 articles about (2E,4E)-8-{(1R,2R)-1-Amino-2-[(S)-2-(tert-butyl-diphenyl-silanyloxy)-1-methyl-ethyl]-cyclopentyl}-2-methyl-octa-2,4-dienoic 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:

: 403507-13-1
(2E,4E)-8-{(1R,2R)-1-tert-Butoxycarbonylamino-2-[(S)-2-(tert-butyl-diphenyl-silanyloxy)-1-methyl-ethyl]-cyclopentyl}-2-methyl-octa-2,4-dienoic acid ethyl ester

: 403507-14-2
(2E,4E)-8-{(1R,2R)-1-Amino-2-[(S)-2-(tert-butyl-diphenyl-silanyloxy)-1-methyl-ethyl]-cyclopentyl}-2-methyl-octa-2,4-dienoic acid ethyl ester

Guidance literature:: With trifluoroacetic acid; In dichloromethane; at 25 ℃; for 1h;
DOI:10.1002/1521-3773(20011203)40:23<4450::AID-ANIE4450>3.0.CO;2-M

Reference yield:

: 161779-70-0
(3R,5aR,8aS)-3-phenyl-hexahydro-1-oxa-3a-aza-cyclopenta[c]pentalen-4-one

: 403507-14-2
(2E,4E)-8-{(1R,2R)-1-Amino-2-[(S)-2-(tert-butyl-diphenyl-silanyloxy)-1-methyl-ethyl]-cyclopentyl}-2-methyl-octa-2,4-dienoic acid ethyl ester

Guidance literature:: Multi-step reaction with 10 steps

1.1: 98 percent / TiCl₄ / CH₂Cl₂ / 18 h / -78 - 25 °C

2.1: 88 percent / Na; EtOH / liquid ammonia; tetrahydrofuran / 1 h / -33 °C

3.1: 93 percent / 4-dimethylaminopyridine / tetrahydrofuran / 18 h / 25 °C

4.1: LiHMDS / tetrahydrofuran; hexane / 1 h / -40 °C

5.1: 82 percent / LiHMDS; 2,6-di-tert-butyl-4-methylphenol / tetrahydrofuran / 1 h / -78 °C

6.1: LiOH / tetrahydrofuran; H₂O / 18 h / 25 °C

7.1: ClCO₂Et; Et₃N / tetrahydrofuran / 1 h / -10 °C

7.2: NaBH₄ / methanol / 1 h / 0 - 25 °C

8.1: Et₃N; 4-dimethylaminopyridine / 0 - 25 °C

9.1: 9-borabicyclo[3.3.1]nonane / tetrahydrofuran / 25 °C

9.2: Pd[1,1'-bis(diphenylphosphinyl)ferrocene]Cl₂*CH₂Cl₂; AsPh₃; Cs₂CO₃ / dimethylformamide; H₂O / 25 °C

10.1: CF₃COOH / CH₂Cl₂ / 1 h / 25 °C

With dmap; lithium hydroxide; ethanol; 2,6-di-tert-butyl-4-methyl-phenol; sodium; chloroformic acid ethyl ester; titanium tetrachloride; triethylamine; 9-bora-bicyclo[3.3.1]nonane; trifluoroacetic acid; lithium hexamethyldisilazane; In tetrahydrofuran; hexane; dichloromethane; ammonia; water; 9.2: Suzuki reaction;
DOI:10.1002/1521-3773(20011203)40:23<4450::AID-ANIE4450>3.0.CO;2-M

Reference yield:

: 250595-64-3
(3aR,6aS)-6a-Allyl-hexahydro-cyclopenta[b]pyrrol-2-one

: 403507-14-2
(2E,4E)-8-{(1R,2R)-1-Amino-2-[(S)-2-(tert-butyl-diphenyl-silanyloxy)-1-methyl-ethyl]-cyclopentyl}-2-methyl-octa-2,4-dienoic acid ethyl ester

Guidance literature:: Multi-step reaction with 8 steps

1.1: 93 percent / 4-dimethylaminopyridine / tetrahydrofuran / 18 h / 25 °C

2.1: LiHMDS / tetrahydrofuran; hexane / 1 h / -40 °C

3.1: 82 percent / LiHMDS; 2,6-di-tert-butyl-4-methylphenol / tetrahydrofuran / 1 h / -78 °C

4.1: LiOH / tetrahydrofuran; H₂O / 18 h / 25 °C

5.1: ClCO₂Et; Et₃N / tetrahydrofuran / 1 h / -10 °C

5.2: NaBH₄ / methanol / 1 h / 0 - 25 °C

6.1: Et₃N; 4-dimethylaminopyridine / 0 - 25 °C

7.1: 9-borabicyclo[3.3.1]nonane / tetrahydrofuran / 25 °C

7.2: Pd[1,1'-bis(diphenylphosphinyl)ferrocene]Cl₂*CH₂Cl₂; AsPh₃; Cs₂CO₃ / dimethylformamide; H₂O / 25 °C

8.1: CF₃COOH / CH₂Cl₂ / 1 h / 25 °C

With dmap; lithium hydroxide; 2,6-di-tert-butyl-4-methyl-phenol; chloroformic acid ethyl ester; triethylamine; 9-bora-bicyclo[3.3.1]nonane; trifluoroacetic acid; lithium hexamethyldisilazane; In tetrahydrofuran; hexane; dichloromethane; water; 7.2: Suzuki reaction;
DOI:10.1002/1521-3773(20011203)40:23<4450::AID-ANIE4450>3.0.CO;2-M