Technology Process of (E)-(4'S)-2-(2',2'-dimethyl-1',3'-dioxalan-4'-yl)vinyl phenyl sulphone
There total 3 articles about (E)-(4'S)-2-(2',2'-dimethyl-1',3'-dioxalan-4'-yl)vinyl phenyl sulphone which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
Multi-step reaction with 3 steps
1: 1.) butyl-lithium, N,N,N',N'-tetramethyl-ethylenediamine / 1.) THF, -40 deg C, 1 h 2.) THF, -60 deg C, 30 min then warming to room temp. during 12 h
2: 96 percent / peracetic acid / CH2Cl2 / 1.) 0 deg C, 90 min 2.) 16 h, room temp.
3: 1.) butyl lithium / 1.) DME, -78 deg C, hexane, 20 min 2.) neat or DME, room temp.
With
peracetic acid; n-butyllithium; N,N,N,N,-tetramethylethylenediamine;
In
dichloromethane;
- Guidance literature:
-
Multi-step reaction with 2 steps
1: 96 percent / peracetic acid / CH2Cl2 / 1.) 0 deg C, 90 min 2.) 16 h, room temp.
2: 1.) butyl lithium / 1.) DME, -78 deg C, hexane, 20 min 2.) neat or DME, room temp.
With
peracetic acid; n-butyllithium;
In
dichloromethane;
- Guidance literature:
-
With
n-butyllithium;
Yield given. Multistep reaction. Yields of byproduct given;
1.) DME, -78 deg C, hexane, 20 min 2.) neat or DME, room temp.;