Technology Process of 2,2,4-trimethyl-7-(2-methylene-1-oxobutyl)-2H-1,4-benzoxazin-3(4H)-one
There total 4 articles about 2,2,4-trimethyl-7-(2-methylene-1-oxobutyl)-2H-1,4-benzoxazin-3(4H)-one which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
With
acetic anhydride;
at 90 - 100 ℃;
for 3h;
- Guidance literature:
-
Multi-step reaction with 4 steps
1: 80 percent / polyphosphoric acid / 1.5 h / 100 °C
2: 70 percent / aq. sodium hydroxide / Heating
3: 75 percent / sodium hydrogencarbonate / butan-2-one; H2O / 8 h / 90 °C
4: 80 percent / acetic anhydride / 3 h / 90 - 100 °C
With
sodium hydroxide; PPA; acetic anhydride; sodium hydrogencarbonate;
In
water; butanone;
- Guidance literature:
-
Multi-step reaction with 2 steps
1: 75 percent / sodium hydrogencarbonate / butan-2-one; H2O / 8 h / 90 °C
2: 80 percent / acetic anhydride / 3 h / 90 - 100 °C
With
acetic anhydride; sodium hydrogencarbonate;
In
water; butanone;