Technology Process of (E)-8-(3-chloro-5-formyl-2,6-dihydroxy-4-methylphenyl)-6-octenyl pivalate
There total 11 articles about (E)-8-(3-chloro-5-formyl-2,6-dihydroxy-4-methylphenyl)-6-octenyl pivalate which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
With
calcium(II) chloride dihydrate; potassium hydroxide;
In
methanol;
at 0 - 20 ℃;
for 18h;
- Guidance literature:
-
Multi-step reaction with 10 steps
1.1: 1H-imidazole; dmap / toluene; N,N-dimethyl-formamide / 15 h / 0 - 20 °C
2.1: oxalyl dichloride; dimethyl sulfoxide / chloroform / 2 h / -60 °C / Inert atmosphere
2.2: 1 h / -60 °C
3.1: methyllithium / tetrahydrofuran; diethyl ether / 1 h / -15 - 20 °C
3.2: 20 h / -15 - 20 °C
4.1: diisobutylaluminium hydride / hexane; toluene / 3 h / -85 - -65 °C
5.1: pyridine / 16 h / 20 °C
6.1: tetrabutyl ammonium fluoride / tetrahydrofuran / 18 h / 20 °C
7.1: triethylamine; dmap / chloroform / 20 h / 0 - 20 °C
8.1: sodium methylate; guanidine hydrochloride / chloroform; methanol / 5 h / 20 °C / Inert atmosphere
9.1: triphenylphosphine; carbon tetrabromide / chloroform / 1.5 h / 0 °C
10.1: calcium(II) chloride dihydrate; potassium hydroxide / methanol / 18 h / 0 - 20 °C
With
pyridine; 1H-imidazole; dmap; oxalyl dichloride; calcium(II) chloride dihydrate; carbon tetrabromide; tetrabutyl ammonium fluoride; methyllithium; guanidine hydrochloride; sodium methylate; diisobutylaluminium hydride; dimethyl sulfoxide; triethylamine; triphenylphosphine; potassium hydroxide;
In
tetrahydrofuran; methanol; diethyl ether; hexane; chloroform; N,N-dimethyl-formamide; toluene;
2.1: |Swern Oxidation;
- Guidance literature:
-
Multi-step reaction with 4 steps
1: triethylamine; dmap / chloroform / 20 h / 0 - 20 °C
2: sodium methylate; guanidine hydrochloride / chloroform; methanol / 5 h / 20 °C / Inert atmosphere
3: triphenylphosphine; carbon tetrabromide / chloroform / 1.5 h / 0 °C
4: calcium(II) chloride dihydrate; potassium hydroxide / methanol / 18 h / 0 - 20 °C
With
dmap; calcium(II) chloride dihydrate; carbon tetrabromide; guanidine hydrochloride; sodium methylate; triethylamine; triphenylphosphine; potassium hydroxide;
In
methanol; chloroform;