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inquiry5-methoxy-2-methyl-1-hexen-3-one
methylamine
1,2,5-trimethyl-4-piperidone
Conditions | Yield |
---|---|
In methanol; water at 60℃; for 4h; | 71.2% |
3-[(2-methoxycarbonyl-propyl)-methyl-amino]-butyric acid ethyl ester
1,2,5-trimethyl-4-piperidone
Conditions | Yield |
---|---|
Stage #1: 3-[(2-methoxycarbonyl-propyl)-methyl-amino]-butyric acid ethyl ester With ethanol; sodium In xylenes at 20 - 75℃; for 8h; Heating / reflux; Stage #2: With hydrogenchloride In water for 6h; Heating / reflux; Stage #3: With potassium hydroxide In water at 0℃; pH=10; | 47% |
N-(1,2,5-trimethylpiperidylidene-4)aniline
benzylmagnesium chloride
A
1,2,5-trimethyl-4-piperidone
B
1-methyl-2r,5c-dimethyl-4t-benzyl-4c-phenylaminopiperidine
C
aniline
Conditions | Yield |
---|---|
In diethyl ether for 8h; Heating; | A n/a B 46% C n/a |
5-ethoxy-2-methyl-1-hexen-3-one
methylamine
1,2,5-trimethyl-4-piperidone
Conditions | Yield |
---|---|
In methanol; water at 60℃; for 4h; | 45.5% |
phenyllithium
N-(1,2,5-trimethylpiperidinylidene-4-)-β-hydroxyethylamine
A
1,2,5-trimethyl-4-piperidone
B
ethanolamine
C
1,2,5-trimethyl-4-phenyl-4-N-(β-hydroxyethyl)aminopiperidine
Conditions | Yield |
---|---|
In diethyl ether | A n/a B n/a C 11% |
2,5-dimethyl-tetrahydro-pyran-4-one
methylamine
1,2,5-trimethyl-4-piperidone
Conditions | Yield |
---|---|
With water |
Conditions | Yield |
---|---|
With 1,4-dioxane |
Conditions | Yield |
---|---|
With water; butan-1-ol Erwaermen unter Zusatz von Schwefelsaeure und Quecksilber(II)-sulfat und Erwaermen des Reaktionsgemisches mit wss. Methylamin in Aethanol; |
(E)-2-methylhexa-1,4-dien-3-one
methylamine
1,2,5-trimethyl-4-piperidone
Conditions | Yield |
---|---|
With water |
1,5-dimethoxy-2-methyl-hexan-3-one
methylamine
1,2,5-trimethyl-4-piperidone
Conditions | Yield |
---|---|
With water |
2,5-dimethyl-tetrahydro-pyran-4-one
water
methylamine
1,2,5-trimethyl-4-piperidone
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 82.3 percent / NaI, Et3N / acetonitrile / 1 h / 70 °C 2: 60.6 percent / ZnCl2 / ethyl acetate / 1 h / 40 °C 3: 45.5 percent / methanol; H2O / 4 h / 60 °C View Scheme | |
Multi-step reaction with 3 steps 1: 82.3 percent / NaI, Et3N / acetonitrile / 1 h / 70 °C 2: 68.2 percent / ZnCl2 / ethyl acetate / 1 h / 40 °C 3: 71.2 percent / methanol; H2O / 4 h / 60 °C View Scheme |
2-methyl-3-<(trimethylsilyl)oxy>-1,3-butadiene
1,2,5-trimethyl-4-piperidone
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 60.6 percent / ZnCl2 / ethyl acetate / 1 h / 40 °C 2: 45.5 percent / methanol; H2O / 4 h / 60 °C View Scheme | |
Multi-step reaction with 2 steps 1: 68.2 percent / ZnCl2 / ethyl acetate / 1 h / 40 °C 2: 71.2 percent / methanol; H2O / 4 h / 60 °C View Scheme |
C13H25NO4
1,2,5-trimethyl-4-piperidone
Conditions | Yield |
---|---|
Stage #1: C13H25NO4 With sodium In 5,5-dimethyl-1,3-cyclohexadiene; ethanol Dieckmann reaction; Reflux; Stage #2: With hydrogenchloride In water Reflux; |
Conditions | Yield |
---|---|
In ethanol at 20℃; for 12h; | 94% |
1,2,5-trimethyl-4-piperidone
acetic acid hydrazide
1,2,5-Trimethyl-4-piperidone acetylhydrazone
Conditions | Yield |
---|---|
at 20℃; for 0.25h; | 90% |
1,2,5-trimethyl-4-piperidone
2-aminoethyl vinyl ether
1,2,5-trimethyl-4-(β-vinyloxyethylimino)piperidine
Conditions | Yield |
---|---|
In benzene Heating; | 85% |
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In benzene Heating; | 85% |
1,2,5-trimethyl-4-piperidone
1,2,5-trimethylpiperidine-4-one oxime
Conditions | Yield |
---|---|
With hydroxylamine hydrochloride; sodium acetate In ethanol for 4h; Heating; | 81% |
Conditions | Yield |
---|---|
With sulfuric acid at 60℃; for 2h; | 81% |
1,2,5-trimethyl-4-piperidone
benzylamine
N-(1-methyl-2,5-dimethyl-4-piperidylidene)benzylamine
Conditions | Yield |
---|---|
With zinc(II) chloride In toluene Heating; catalytic amount of acetic acid, benzene; | 76.5% |
In toluene Heating; |
1,2,5-trimethyl-4-piperidone
aniline
N-(1,2,5-trimethylpiperidylidene-4)aniline
Conditions | Yield |
---|---|
With acetic acid In toluene Heating; | 72% |
With toluene-4-sulfonic acid In benzene Heating; | 71.3% |
1,2,5-trimethyl-4-piperidone
propan-1-ol-3-amine
N-(1,2,5-trimethylpiperidylidene-4-)-γ-hydroxypropylamine
Conditions | Yield |
---|---|
With zinc(II) chloride In toluene Heating; catalytic amount of acetic acid, benzene; | 72% |
1,2,5-trimethyl-4-piperidone
1,2,5-trimethyl-4-naphthalen-1-ylethynyl-piperidin-4-ol
Conditions | Yield |
---|---|
Stage #1: 1-ethynylnaphthalene With n-butyllithium In tetrahydrofuran; hexanes at 0 - 20℃; for 1.08333h; Stage #2: 1,2,5-trimethyl-4-piperidone In tetrahydrofuran; hexanes at 20℃; for 1h; | 67% |
1,2,5-trimethyl-4-piperidone
diethyldiethynylsilane
Conditions | Yield |
---|---|
With ethylmagnesium bromide In diethyl ether at 80 - 90℃; for 2h; | A 17.55% B 52.45% |
Conditions | Yield |
---|---|
With potassium hydroxide In diethyl ether for 8h; Ambient temperature; | A 8% B 32% C 51% |
1,2,5-trimethyl-4-piperidone
aniline
1,2,5-trimethyl-4-N-phenyliminopiperidine
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In benzene Heating; | 50% |
1,2,5-trimethyl-4-piperidone
1,2-diamino-benzene
A
C14H21N3
B
N-[1,2,5-Trimethyl-piperidin-(4Z)-ylidene]-benzene-1,2-diamine
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In benzene Heating; | A 5% B 50% |
1,2,5-trimethyl-4-piperidone
rac-methylbenzylamine
N-(1-methyl-2,5-dimethyl-4-piperidylidene)-α-phenylethylamine
Conditions | Yield |
---|---|
In toluene Heating; | 49% |
1,2,5-trimethyl-4-piperidone
m,p-dichloroaniline
N-(1,2,5-trimethyl-4-piperidylidene)-3,4-dichloroaniline
Conditions | Yield |
---|---|
With acetic acid In toluene for 8h; Heating; | 40% |
Conditions | Yield |
---|---|
Stage #1: 1,2,5-trimethyl-4-piperidone With sodium hydride In water; N,N-dimethyl-formamide at 20℃; Mannich reaction; Stage #2: 4-p-dimethylaminophenyl-3-buten-2-one In water; N,N-dimethyl-formamide at 20℃; Mannich reaction; | 40% |
1,2,5-trimethyl-4-piperidone
ethanolamine
N-(1,2,5-trimethylpiperidinylidene-4-)-β-hydroxyethylamine
Conditions | Yield |
---|---|
With zinc(II) chloride In toluene Heating; catalytic amount of acetic acid, benzene; | 35% |
Conditions | Yield |
---|---|
Stage #1: 1,2,5-trimethyl-4-piperidone With sodium hydride In water; N,N-dimethyl-formamide at 20℃; for 1h; Mannich reaction; Stage #2: 1-Phenylbut-1-en-3-one In water; N,N-dimethyl-formamide at 20℃; for 72h; Mannich reaction; | 34% |
Conditions | Yield |
---|---|
With sulfuric acid at 60 - 65℃; for 4h; | 32% |
1,2,5-trimethyl-4-piperidone
ortho-cresol
trans-1,2,5-Trimethyl-4-(4-hydroxy-3-methylphenyl)-Δ3-tetrahydropyridine
Conditions | Yield |
---|---|
With boron trifluoride diethyl etherate | 31% |
2-thiazolylamine
1,2,5-trimethyl-4-piperidone
1,2,5-trimethyl-4-(2-thiazolyl)iminopiperidine
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In toluene Heating; | 30% |
Conditions | Yield |
---|---|
With potassium hydroxide In ethanol; water for 5h; Michael reaction; | A 6.39% B 23.2% |
1,2,5-trimethyl-4-piperidone
Conditions | Yield |
---|---|
Stage #1: 1-(2',2'-dibromovinyl)-2-methoxynaphthalene With n-butyllithium In tetrahydrofuran; hexanes at -78 - 20℃; for 1.5h; Stage #2: 1,2,5-trimethyl-4-piperidone In tetrahydrofuran; hexanes at 20℃; for 0.25h; | 19% |
Conditions | Yield |
---|---|
With ammonium chloride In ethanol at 50 - 55℃; for 24h; | 18% |
1,2,5-trimethyl-4-piperidone
(2E)-3-(4-bromophenyl)-1-phenylprop-2-en-1-one
Conditions | Yield |
---|---|
With potassium hydroxide In ethanol; water; benzene for 48h; Michael reaction; | 14.6% |
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