(1S,2S)-2-Ethoxycarbonylmethyl-1-methyl-cyclohex-3-enecarboxylic acid methyl ester

Base Information

Chemical Name:(1S,2S)-2-Ethoxycarbonylmethyl-1-methyl-cyclohex-3-enecarboxylic acid methyl ester
CAS No.:885324-70-9
Molecular Formula:C₁₃H₂₀O₄
Molecular Weight:240.299
Hs Code.:

Synonyms:(1S,2S)-2-Ethoxycarbonylmethyl-1-methyl-cyclohex-3-enecarboxylic acid methyl ester

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Chemical Property of (1S,2S)-2-Ethoxycarbonylmethyl-1-methyl-cyclohex-3-enecarboxylic acid methyl ester

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Technology Process of (1S,2S)-2-Ethoxycarbonylmethyl-1-methyl-cyclohex-3-enecarboxylic acid methyl ester

There total 9 articles about (1S,2S)-2-Ethoxycarbonylmethyl-1-methyl-cyclohex-3-enecarboxylic acid methyl 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: 96.0%

: 885324-68-5
(6S,7S)-7-Ethoxycarbonylmethyl-6-methyl-1,4-dithia-spiro[4.5]dec-8-ene-6-carboxylic acid methyl ester

: 885324-70-9
(1S,2S)-2-Ethoxycarbonylmethyl-1-methyl-cyclohex-3-enecarboxylic acid methyl ester

Guidance literature:: With 2,2'-azobis(isobutyronitrile); tri-n-butyl-tin hydride; at 130 ℃;
DOI:10.1016/j.tetlet.2006.01.038

Reference yield:

: 885324-62-9
(S)-6-Methyl-1,4-dioxa-spiro[4.5]dec-7-ene-6-carbaldehyde

: 885324-70-9
(1S,2S)-2-Ethoxycarbonylmethyl-1-methyl-cyclohex-3-enecarboxylic acid methyl ester

Guidance literature:: Multi-step reaction with 7 steps

1.1: NaClO₂; H₂O₂ / acetonitrile; H₂O / 0 - 20 °C

1.2: 95 percent / diethyl ether / 0 - 20 °C

2.1: PDC; tert-butyl hydroperoxide / CH₂Cl₂ / 10 - 20 °C

2.2: NaBH₄; CeCl₃*7H₂O / methanol / 0 - 20 °C

3.1: LiOH / tetrahydrofuran; H₂O / 20 °C

3.2: BF₃*OEt₂ / CH₂Cl₂ / 0 °C

4.1: NaOMe / methanol / Heating

4.2: DIAD; PPh₃; BzOH / tetrahydrofuran / 0 - 20 °C

4.3: aq. NaOH / 20 °C

5.1: 93 percent / propionic acid / 137 °C

6.1: aq. HCl / tetrahydrofuran / 20 °C

6.2: BF₃*OEt₂ / CH₂Cl₂ / 0 - 20 °C

7.1: 96 percent / nBu₃SnH; AIBN / 130 °C

With hydrogenchloride; tert.-butylhydroperoxide; lithium hydroxide; sodium chlorite; dipyridinium dichromate; 2,2'-azobis(isobutyronitrile); dihydrogen peroxide; tri-n-butyl-tin hydride; sodium methylate; propionic acid; In tetrahydrofuran; methanol; dichloromethane; water; acetonitrile; 5.1: Johnson's orthoester Claisen rearrangement;
DOI:10.1016/j.tetlet.2006.01.038

Reference yield:

: 885324-63-0
(R)-6-Methyl-1,4-dioxa-spiro[4.5]dec-7-ene-6-carboxylic acid methyl ester

: 885324-70-9
(1S,2S)-2-Ethoxycarbonylmethyl-1-methyl-cyclohex-3-enecarboxylic acid methyl ester

Guidance literature:: Multi-step reaction with 6 steps

1.1: PDC; tert-butyl hydroperoxide / CH₂Cl₂ / 10 - 20 °C

1.2: NaBH₄; CeCl₃*7H₂O / methanol / 0 - 20 °C

2.1: LiOH / tetrahydrofuran; H₂O / 20 °C

2.2: BF₃*OEt₂ / CH₂Cl₂ / 0 °C

3.1: NaOMe / methanol / Heating

3.2: DIAD; PPh₃; BzOH / tetrahydrofuran / 0 - 20 °C

3.3: aq. NaOH / 20 °C

4.1: 93 percent / propionic acid / 137 °C

5.1: aq. HCl / tetrahydrofuran / 20 °C

5.2: BF₃*OEt₂ / CH₂Cl₂ / 0 - 20 °C

6.1: 96 percent / nBu₃SnH; AIBN / 130 °C

With hydrogenchloride; tert.-butylhydroperoxide; lithium hydroxide; dipyridinium dichromate; 2,2'-azobis(isobutyronitrile); tri-n-butyl-tin hydride; sodium methylate; propionic acid; In tetrahydrofuran; methanol; dichloromethane; water; 4.1: Johnson's orthoester Claisen rearrangement;
DOI:10.1016/j.tetlet.2006.01.038