(2S,3aS,5R,6aR)-5-Cyano-5-(3-cyclopentyloxy-4-methoxy-phenyl)-octahydro-pentalene-2-carboxylic acid

Base Information

Chemical Name:(2S,3aS,5R,6aR)-5-Cyano-5-(3-cyclopentyloxy-4-methoxy-phenyl)-octahydro-pentalene-2-carboxylic acid
CAS No.:440103-32-2
Molecular Formula:C₂₂H₂₇NO₄
Molecular Weight:369.461
Hs Code.:

Synonyms:(2S,3aS,5R,6aR)-5-Cyano-5-(3-cyclopentyloxy-4-methoxy-phenyl)-octahydro-pentalene-2-carboxylic acid

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Chemical Property of (2S,3aS,5R,6aR)-5-Cyano-5-(3-cyclopentyloxy-4-methoxy-phenyl)-octahydro-pentalene-2-carboxylic acid

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Technology Process of (2S,3aS,5R,6aR)-5-Cyano-5-(3-cyclopentyloxy-4-methoxy-phenyl)-octahydro-pentalene-2-carboxylic acid

There total 8 articles about (2S,3aS,5R,6aR)-5-Cyano-5-(3-cyclopentyloxy-4-methoxy-phenyl)-octahydro-pentalene-2-carboxylic acid 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: 91.0%

: 440103-33-3
methyl (2s,3aR,5r,6aS)-5-cyano-5-[3-(cyclopentyloxy)-4-methoxyphenyl]octahydropentalene-2-carboxylate

: 440103-32-2
(2S,3aS,5R,6aR)-5-Cyano-5-(3-cyclopentyloxy-4-methoxy-phenyl)-octahydro-pentalene-2-carboxylic acid

Guidance literature:: With potassium hydroxide; In tetrahydrofuran; methanol;
DOI:10.1016/j.bmcl.2003.12.018

Reference yield:

: 752259-53-3
(3aR,7aS)-2-[3-(cyclopentyloxy)-4-methoxyphenyl]-2,3,3a,4,7,7a-hexahydro-1H-indene-2-carbonitrile

: 440103-32-2
(2S,3aS,5R,6aR)-5-Cyano-5-(3-cyclopentyloxy-4-methoxy-phenyl)-octahydro-pentalene-2-carboxylic acid

Guidance literature:: Multi-step reaction with 8 steps

1.1: ozone / CH₂Cl₂ / 1 h / -78 °C

1.2: Ph₃P / CH₂Cl₂ / 1.5 h / -78 - 20 °C

2.1: NaClO₂; NaH₂PO₄; 2-methyl-2-butene / 2-methyl-propan-2-ol; H₂O / 3 h / 20 °C

3.1: 2.66 g / diethyl ether / 0 °C

4.1: NaH / 1,2-dimethoxy-ethane / 1.5 h / Heating

4.2: 48 percent / NaCl; H₂O / dimethylsulfoxide / 1 h / 165 °C

5.1: n-BuLi / tetrahydrofuran; hexane / 0.17 h / 0 °C

5.2: 37 percent / tetrahydrofuran; hexane / -78 - 0 °C

6.1: TFA; H₂O₂ / acetonitrile; H₂O / 0.5 h / 80 °C

6.2: NaOH / acetonitrile; H₂O / 0.33 h / 40 °C

7.1: 108 mg / diethyl ether; tetrahydrofuran / 0 °C

8.1: 75 percent / aq. KOH / methanol; tetrahydrofuran / 4 h / 20 °C

With potassium hydroxide; sodium chlorite; sodium dihydrogenphosphate; n-butyllithium; 2-methyl-but-2-ene; dihydrogen peroxide; sodium hydride; ozone; trifluoroacetic acid; In tetrahydrofuran; methanol; 1,2-dimethoxyethane; diethyl ether; hexane; dichloromethane; water; acetonitrile; tert-butyl alcohol; 4.1: Dieckmann condensation;
DOI:10.1016/j.ejmech.2004.02.010

Reference yield:

: 828919-77-3
(3S,4R)-1-(3-Cyclopentyloxy-4-methoxy-phenyl)-3,4-bis-(2-oxo-ethyl)-cyclopentanecarbonitrile

: 440103-32-2
(2S,3aS,5R,6aR)-5-Cyano-5-(3-cyclopentyloxy-4-methoxy-phenyl)-octahydro-pentalene-2-carboxylic acid

Guidance literature:: Multi-step reaction with 7 steps

1.1: NaClO₂; NaH₂PO₄; 2-methyl-2-butene / 2-methyl-propan-2-ol; H₂O / 3 h / 20 °C

2.1: 2.66 g / diethyl ether / 0 °C

3.1: NaH / 1,2-dimethoxy-ethane / 1.5 h / Heating

3.2: 48 percent / NaCl; H₂O / dimethylsulfoxide / 1 h / 165 °C

4.1: n-BuLi / tetrahydrofuran; hexane / 0.17 h / 0 °C

4.2: 37 percent / tetrahydrofuran; hexane / -78 - 0 °C

5.1: TFA; H₂O₂ / acetonitrile; H₂O / 0.5 h / 80 °C

5.2: NaOH / acetonitrile; H₂O / 0.33 h / 40 °C

6.1: 108 mg / diethyl ether; tetrahydrofuran / 0 °C

7.1: 75 percent / aq. KOH / methanol; tetrahydrofuran / 4 h / 20 °C

With potassium hydroxide; sodium chlorite; sodium dihydrogenphosphate; n-butyllithium; 2-methyl-but-2-ene; dihydrogen peroxide; sodium hydride; trifluoroacetic acid; In tetrahydrofuran; methanol; 1,2-dimethoxyethane; diethyl ether; hexane; water; acetonitrile; tert-butyl alcohol; 3.1: Dieckmann condensation;
DOI:10.1016/j.ejmech.2004.02.010