ethyl 2-(2,2-dimethyl-6-hydroxy-7-phenyl-2,3-dihydro-1H-pyrrolizin-5-yl)-2-oxoacetate

Base Information

Chemical Name:ethyl 2-(2,2-dimethyl-6-hydroxy-7-phenyl-2,3-dihydro-1H-pyrrolizin-5-yl)-2-oxoacetate
CAS No.:197963-32-9
Molecular Formula:C₁₉H₂₁NO₄
Molecular Weight:327.38
Hs Code.:

Synonyms:ethyl 2-(2,2-dimethyl-6-hydroxy-7-phenyl-2,3-dihydro-1H-pyrrolizin-5-yl)-2-oxoacetate

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Chemical Property of ethyl 2-(2,2-dimethyl-6-hydroxy-7-phenyl-2,3-dihydro-1H-pyrrolizin-5-yl)-2-oxoacetate

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Technology Process of ethyl 2-(2,2-dimethyl-6-hydroxy-7-phenyl-2,3-dihydro-1H-pyrrolizin-5-yl)-2-oxoacetate

There total 5 articles about ethyl 2-(2,2-dimethyl-6-hydroxy-7-phenyl-2,3-dihydro-1H-pyrrolizin-5-yl)-2-oxoacetate 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: 77.0%

: 95-92-1
oxalic acid diethyl ester

: 197963-31-8
2,2-dimethyl-7-phenyl-2,3,5,6-tetrahydro-1H-pyrrolizin-6-one

: 197963-32-9
ethyl 2-(2,2-dimethyl-6-hydroxy-7-phenyl-2,3-dihydro-1H-pyrrolizin-5-yl)-2-oxoacetate

Guidance literature:: With sodium ethanolate; In ethanol; Ambient temperature;
DOI:10.1021/jo971480o

Reference yield:

: 197963-30-7
methyl N-(2,2-dimethyl-5-phenylpent-4-ynyl)glycinate

: 197963-32-9
ethyl 2-(2,2-dimethyl-6-hydroxy-7-phenyl-2,3-dihydro-1H-pyrrolizin-5-yl)-2-oxoacetate

Guidance literature:: Multi-step reaction with 2 steps

1: 68 percent / pivalic acid / 5 h / 150 °C

2: 77 percent / EtONa / ethanol / 15 h / Ambient temperature

With sodium ethanolate; Trimethylacetic acid; In ethanol;
DOI:10.1016/S0040-4020(99)00176-3

Reference yield:

: 197963-29-4
2,2-dimethyl-5-phenylpent-4-ynal

: 197963-32-9
ethyl 2-(2,2-dimethyl-6-hydroxy-7-phenyl-2,3-dihydro-1H-pyrrolizin-5-yl)-2-oxoacetate

Guidance literature:: Multi-step reaction with 3 steps

1: 1.) Et₃N, 2.) NaBH(OAc)3 / 1) CH₂Cl₂, rt, 15 min; 2) CH₂Cl₂, rt, 12 h

2: 68 percent / pivalic acid / 5 h / 150 °C

3: 77 percent / EtONa / ethanol / 15 h / Ambient temperature

With sodium ethanolate; sodium tris(acetoxy)borohydride; triethylamine; Trimethylacetic acid; In ethanol;
DOI:10.1016/S0040-4020(99)00176-3