(1R,2S)-2-Ethynyl-2-hydroxy-1,3-dimethyl-cyclohex-3-enecarboxylic acid methyl ester

Base Information

Chemical Name:(1R,2S)-2-Ethynyl-2-hydroxy-1,3-dimethyl-cyclohex-3-enecarboxylic acid methyl ester
CAS No.:187266-02-0
Molecular Formula:C₁₂H₁₆O₃
Molecular Weight:208.257
Hs Code.:

Synonyms:(1R,2S)-2-Ethynyl-2-hydroxy-1,3-dimethyl-cyclohex-3-enecarboxylic acid methyl ester

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Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

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Chemical Property of (1R,2S)-2-Ethynyl-2-hydroxy-1,3-dimethyl-cyclohex-3-enecarboxylic acid methyl ester

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Technology Process of (1R,2S)-2-Ethynyl-2-hydroxy-1,3-dimethyl-cyclohex-3-enecarboxylic acid methyl ester

There total 2 articles about (1R,2S)-2-Ethynyl-2-hydroxy-1,3-dimethyl-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: 79.0%

: 187266-01-9
methyl (-)-(1R)-1,3-dimethyl-2-oxocyclohex-3-ene-1-carboxylate

: 4301-14-8
acetylenemagnesium bromide

: 187266-02-0
(1R,2S)-2-Ethynyl-2-hydroxy-1,3-dimethyl-cyclohex-3-enecarboxylic acid methyl ester

Guidance literature:: In tetrahydrofuran; at 20 ℃; for 1h;
DOI:10.1002/jlac.199719970214

Reference yield:

: 17422-12-7
methyl 2-methyl-3-oxopentanoate

: 187266-02-0
(1R,2S)-2-Ethynyl-2-hydroxy-1,3-dimethyl-cyclohex-3-enecarboxylic acid methyl ester

Guidance literature:: Multi-step reaction with 2 steps

1: 1.) NaOMe, 2.) HCl / 1.) MeoH, 20 deg C, 12 h, 2.) 20 deg C, 12 h

2: 79 percent / tetrahydrofuran / 1 h / 20 °C

With hydrogenchloride; sodium methylate; In tetrahydrofuran;
DOI:10.1002/jlac.199719970214