Technology Process of Butanedioic acid, 2-[3-(4-ethoxyphenyl)propyl]-3-hydroxy-,
bis(1-methylethyl) ester, (2R,3S)-
There total 3 articles about Butanedioic acid, 2-[3-(4-ethoxyphenyl)propyl]-3-hydroxy-,
bis(1-methylethyl) ester, (2R,3S)- which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
With
hydrogen;
palladium 10% on activated carbon;
In
methanol;
at 20 ℃;
for 14h;
under 1500.15 Torr;
- Guidance literature:
-
Multi-step reaction with 3 steps
1.1: lithium hexamethyldisilazane / tetrahydrofuran / 2.5 h / -78 - -30 °C
1.2: -78 - 20 °C
2.1: triethylamine / palladium diacetate; tris-(o-tolyl)phosphine / acetonitrile / 2 h / Heating / reflux
3.1: hydrogen / palladium 10% on activated carbon / methanol / 16.5 h / 760.05 Torr
With
hydrogen; triethylamine; lithium hexamethyldisilazane;
palladium diacetate; palladium 10% on activated carbon; tris-(o-tolyl)phosphine;
In
tetrahydrofuran; methanol; acetonitrile;
- Guidance literature:
-
Multi-step reaction with 2 steps
1: triethylamine / palladium diacetate; tris-(o-tolyl)phosphine / acetonitrile / 2 h / Heating / reflux
2: hydrogen / palladium 10% on activated carbon / methanol / 16.5 h / 760.05 Torr
With
hydrogen; triethylamine;
palladium diacetate; palladium 10% on activated carbon; tris-(o-tolyl)phosphine;
In
methanol; acetonitrile;