Technology Process of (1'S,3S)-1-(1'-naphthyl)ethyl methyl 3-(4-bromophenyl)pentanedioate
There total 4 articles about (1'S,3S)-1-(1'-naphthyl)ethyl methyl 3-(4-bromophenyl)pentanedioate which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
(1'S,3S)-1'-naphthylethyl-4-(1-methyl-1H-imidazolylcarbonyl)-3-(4-bromophenyl)butyrate;
With
methyl trifluoromethanesulfonate;
In
acetonitrile;
at 20 ℃;
for 2.5h;
Molecular sieve;
Inert atmosphere;
methanol;
With
1,8-diazabicyclo[5.4.0]undec-7-ene;
In
acetonitrile;
at 20 ℃;
for 0.5h;
Inert atmosphere;
DOI:10.1002/anie.201102405
- Guidance literature:
-
Multi-step reaction with 4 steps
1.1: silver hexafluoroantimonate; hexafluoropropan-2-ol; 2,2'-isopropylidenebis[(4S)-4-tert-butyl-2-oxazoline]; copper dichloride / dichloromethane / 72 h / -78 °C / Molecular sieve; Inert atmosphere
2.1: lithium hydroxide / tetrahydrofuran; water / 2 h / 0 - 20 °C / Inert atmosphere
3.1: dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride / dichloromethane / 0 - 20 °C / Inert atmosphere
4.1: methyl trifluoromethanesulfonate / acetonitrile / 2.5 h / 20 °C / Molecular sieve; Inert atmosphere
4.2: 0.5 h / 20 °C / Inert atmosphere
With
dmap; silver hexafluoroantimonate; hexafluoropropan-2-ol; 2,2'-isopropylidenebis[(4S)-4-tert-butyl-2-oxazoline]; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; methyl trifluoromethanesulfonate; copper dichloride; lithium hydroxide;
In
tetrahydrofuran; dichloromethane; water; acetonitrile;
1.1: Mukaiyama-Michael reaction;
DOI:10.1002/anie.201102405
- Guidance literature:
-
Multi-step reaction with 2 steps
1.1: dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride / dichloromethane / 0 - 20 °C / Inert atmosphere
2.1: methyl trifluoromethanesulfonate / acetonitrile / 2.5 h / 20 °C / Molecular sieve; Inert atmosphere
2.2: 0.5 h / 20 °C / Inert atmosphere
With
dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; methyl trifluoromethanesulfonate;
In
dichloromethane; acetonitrile;
DOI:10.1002/anie.201102405