Conditions | Yield |
---|---|
With sodium tosylate; hydrazine hydrate; sodium hydrogensulfite at 75℃; for 4h; Temperature; Autoclave; | 98.2% |
With hydrazine hydro-chloride In water at 80 - 90℃; under 2250.23 - 3000.3 Torr; for 4h; Sealed tube; | 40% |
Stage #1: methanol With hydrazine dihydrochloride; hydrazine hydrochloride In water at 110℃; under 3000.3 Torr; Stage #2: With ethanolamine In water at 103 - 150℃; |
Conditions | Yield |
---|---|
With sodium acetate In methanol; water for 24h; Electrolysis; | A 81.45% B 78.02% |
Conditions | Yield |
---|---|
With hydrogenchloride; hydrazine hydrate In ethanol at 73℃; for 2.3h; Concentration; Temperature; | 39.2% |
Stage #1: methylene chloride With hydrazine hydrate at 80℃; under 3000.3 Torr; Stage #2: With ethanolamine at 90℃; Product distribution / selectivity; | |
With hydrogenchloride; hydrazine hydrate In water at 85℃; | 99.3 g |
diazomethane
methylhydrazine
Conditions | Yield |
---|---|
With sodium amalgam; ethanol |
1-methyl-1-benzoylhydrazine
A
N,N'-dibenzoyl-N-methyl-hydrazine
B
methylhydrazine
Conditions | Yield |
---|---|
With acetic acid; zinc |
methylhydrazine
Conditions | Yield |
---|---|
With hydrogenchloride |
Conditions | Yield |
---|---|
With potassium hydroxide; ethanol; hydrazine | |
With potassium hydroxide; hydrazine |
Conditions | Yield |
---|---|
With hydrogenchloride | |
With hydrogenchloride |
Conditions | Yield |
---|---|
With water; acetic acid; zinc ueber mehrere Stufen; |
Conditions | Yield |
---|---|
With benzene |
Conditions | Yield |
---|---|
With sulfoperamic acid; water | |
With chloroamine | |
With sodium hydroxide; chloroamine In water at 25℃; | |
With chloroamine | |
With sodium hydroxide; sulfoperamic acid |
Conditions | Yield |
---|---|
With water; hydrazine hydrate |
N-isopropylhydrazine
5-methylene-3,4,4-trimethyl-1-phenyl-2-pyrazoline
A
1-isopropyl-5-methylene-3,4,4-trimethyl-2-pyrazoline
B
1-phenyl-5-phenylhydrazino-3,4,4,5-tetramethyl-2-pyrazoline
C
methylhydrazine
5-hydrazinomethyl-10,11-dihydro-5H-dibenzo[a,d]cyclohepten-5-ol
A
10,11-Dihydro-5H-dibenzo[a,d]cyclohepten-5-one
B
methylhydrazine
Conditions | Yield |
---|---|
In chlorobenzene for 24h; Heating; | |
at 200℃; Product distribution; reflux in chlorobenzene, 24 h.; |
N-Nitroso-N-methylmethoxymethylamine
A
methanol
B
dimethyl amine
C
methylhydrazine
D
methylamine
Conditions | Yield |
---|---|
With hydrogenchloride; zinc In water Product distribution; Ambient temperature; | A 96 % Chromat. B 71 % Chromat. C 1 % Chromat. D 28 % Chromat. |
With aluminum amalgam In water Product distribution; Ambient temperature; | A 102 % Chromat. B 40 % Chromat. C 24 % Chromat. D 48 % Chromat. |
With potassium hydroxide; aluminium In water Product distribution; Ambient temperature; | A 109 % Chromat. B 25 % Chromat. C 35 % Chromat. D 54 % Chromat. |
N-Nitroso-N-methylmethoxymethylamine
A
methanol
B
methylhydrazine
C
methylamine
Conditions | Yield |
---|---|
With titanium(III) chloride In water Product distribution; Ambient temperature; | A 110 % Chromat. B 100 % Chromat. C 30 % Chromat. |
N-isopropylidene-N'-methylhydrazine
mesitylenesulfonylhydroxylamine
A
acetone O-(2,4,6-trimethylphenylsulfonyl)oxime
B
methylhydrazine
Conditions | Yield |
---|---|
With triethylamine 1.) ether, 1 h, RT, 2.) ether; Yield given. Multistep reaction; |
phenylhydrazine
A
1-isopropyl-5-methylene-3,4,4-trimethyl-2-pyrazoline
B
1-phenyl-5-phenylhydrazino-3,4,4,5-tetramethyl-2-pyrazoline
C
methylhydrazine
N-Methylurea
A
methanol
B
formaldehyde monomethylhydrazone
C
1,1-dimethylhydrazine
D
methylhydrazine
Conditions | Yield |
---|---|
With chloroamine In diethyl ether; water for 5h; Product distribution; Mechanism; other solvent, exposition; |
methylhydrazine
Conditions | Yield |
---|---|
With sodium hydroxide; zinc |
methylhydrazine
Conditions | Yield |
---|---|
at 150 - 160℃; |
methylhydrazine
Conditions | Yield |
---|---|
With aluminium durch Reduktion in alkal. Loesung; |
Conditions | Yield |
---|---|
at 100℃; durch aequivalente Mengen Sulfoperamidsaeure; zu 43-46prozent in Methylhydrazin uebergefuehrt; |
Conditions | Yield |
---|---|
at 100℃; durch aequivalente Mengen Sulfoperamidsaeure; erhaelt man in einer Ausbeute von 65prozent Methylhydrazin; |
Conditions | Yield |
---|---|
With O(3P) under 2.02516E-08 Torr; emission of collisions product; |
di-tert-butyl dicarbonate
methylhydrazine
1-methyl-1-tert-butoxycarbonylhydrazine
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In ethyl acetate at 0 - 20℃; for 3h; | 100% |
In dichloromethane at 0 - 20℃; for 3h; | 100% |
In dichloromethane | 97% |
N,N-Dimethyl-2,4-bis(trifluoroacetyl)-1-naphthylamine
methylhydrazine
2,2,2-Trifluoro-1-(2-methyl-3-trifluoromethyl-2H-benzo[g]indazol-5-yl)-ethanone
Conditions | Yield |
---|---|
In chloroform for 18h; Heating; | 100% |
3-benzoyl-2-chloro-pyridine
methylhydrazine
1-methyl-3-phenyl-pyrazolo<3,4-b>pyridine
Conditions | Yield |
---|---|
In ethanol for 10h; Heating; | 100% |
N1-2-(2-hydroxybenzoyl)vinyl-N1-methylhydrazine
methylhydrazine
3-(2-hydroxyphenyl)-1-methyl-1H-pyrazole
Conditions | Yield |
---|---|
In ethanol for 48h; | 100% |
methylhydrazine
N1-2-(2-hydroxy-5-methylbenzoyl)vinyl-N1-methylhydrazine
Conditions | Yield |
---|---|
In ethanol for 48h; | 100% |
methylhydrazine
N1-2-(2-hydroxy-3-methylbenzoyl)vinyl-N1-methylhydrazine
3-(2-hydroxy-3-methylphenyl)-1-methylpyrazole
Conditions | Yield |
---|---|
In ethanol for 48h; | 100% |
methylhydrazine
ethyl 4-methyl-3-oxo-pentanoate
4,5-dihydro-1-methyl-3-isopropyl-5H-pyrazol-5-one
Conditions | Yield |
---|---|
In tetrahydrofuran; ethanol at 0℃; for 36h; Inert atmosphere; Reflux; | 100% |
In ethanol for 18h; Heating; | 99% |
Conditions | Yield |
---|---|
With magnesium sulfate In dichloromethane Condensation; | 100% |
4,6-dichloropyrimidine
methylhydrazine
4,6-bis(1-methylhydrazino)pyrimidine
Conditions | Yield |
---|---|
for 2h; Heating; | 100% |
for 2h; Inert atmosphere; Reflux; | 86% |
Reflux; Inert atmosphere; |
methylhydrazine
2-(4-methylphenyl)-4,6-dichloropyrimidine
4,6-bis(1-methylhydrazino)-2-(1-methylphenyl)pyrimidine
Conditions | Yield |
---|---|
for 2h; Heating; | 100% |
3-amino-2-cyano-acrylic acid ethyl ester
methylhydrazine
ethyl 5-amino-1-methyl-1H-pyrazole-4-carboxylate
Conditions | Yield |
---|---|
at 80℃; | 100% |
Conditions | Yield |
---|---|
100% | |
In ethanol at 0 - 60℃; for 16h; Inert atmosphere; | 100% |
at 40℃; | 100% |
methylhydrazine
(2R,3R,4R,5R)-2-(2-amino-6-chloro-9H-purin-9-yl)-5-(benzoyloxymethyl)-3-methyltetrahydrofuran-3,4-diyl dibenzoate
2-amino-6-(1-methylhydrazino)-9-(2',3',5'-tri-O-benzoyl-2'-methyl-β-D-ribofuranosyl)purine
Conditions | Yield |
---|---|
In tetrahydrofuran at 45℃; for 0.0833333h; | 100% |
With TEA In tetrahydrofuran at 20℃; for 8h; |
methylhydrazine
2-anthracen-9-yl-4,6-dichloropyrimidine
Conditions | Yield |
---|---|
for 2h; Heating; | 100% |
2-chloro-3-octadecyloxy-pyridine
methylhydrazine
2-(1-methylhydrazino)-3-octadecyloxypyridine
Conditions | Yield |
---|---|
for 26h; Heating; | 100% |
Conditions | Yield |
---|---|
In ethanol at 20℃; for 2.5h; Heating / reflux; | 100% |
[2-(1,3-dioxo-1,3-dihydroisoindol-2-yloxy)-ethyl]carbamic acid tert-butyl ester
methylhydrazine
(2-aminoxyethyl)carbamic acid tert-butyl ester
Conditions | Yield |
---|---|
In dichloromethane at 20℃; for 72h; | 100% |
methylhydrazine
Conditions | Yield |
---|---|
In tetrahydrofuran; diethyl ether at 20℃; for 1.5h; | 100% |
Conditions | Yield |
---|---|
In DMF (N,N-dimethyl-formamide) at 85℃; for 3h; | 100% |
2-formyl-4,5-dimethyl-pyrrole-3-carboxylic acid ethyl ester
methylhydrazine
2,3,5-Trimethyl-1H-pyrrolo[2,3-d]pyridazin-4(5H)-one
Conditions | Yield |
---|---|
With sulfuric acid In ethanol | 100% |
2,3-Butanedione monoxime
methylhydrazine
Conditions | Yield |
---|---|
In ethanol at 20 - 80℃; for 53h; | 100% |
Conditions | Yield |
---|---|
100% |
3-acetyl-4-methoxy-1-methyl-2(1H)-quinolinone
methylhydrazine
2,3,5-trimethyl-2,5-dihydro-4H-pyrazolo[4,3-c]quinolin-4-one
Conditions | Yield |
---|---|
In ethanol for 3h; Heating; | 100% |
2-(chloromethyl)-4-nitrotoluene
methylhydrazine
1-methyl-1-(2-methyl-5-nitrobenzyl)hydrazine
Conditions | Yield |
---|---|
In ethanol for 1h; Reflux; | 100% |
Stage #1: 2-(chloromethyl)-4-nitrotoluene; methylhydrazine In ethanol for 1h; Heating / reflux; Stage #2: With sodium hydroxide; water In dichloromethane | 100% |
2-bromo-6-(hydroxymethyl)pyridine
methylhydrazine
2-(hydroxymethyl)-6-(1-methylhydrazino)pyridine
Conditions | Yield |
---|---|
Inert atmosphere; Reflux; | 100% |
for 23h; Reflux; Inert atmosphere; | 92% |
(2-bromopyridin-4-yl)methanol
methylhydrazine
(2-(1-methylhydrazinyl)pyridin-4-yl)methanol
Conditions | Yield |
---|---|
Inert atmosphere; Reflux; | 100% |
methylhydrazine
1-bis(methoxy)-4-bis(methylthio)-3-buten-2-one
3-(dimethoxymethyl)-1-methyl-5-(methylthio)-1H-pyrazole
Conditions | Yield |
---|---|
In ethanol at 80℃; for 4h; Inert atmosphere; | 100% |
ethyl butyroyl acetate
methylhydrazine
2-methyl-5-propyl-2,4-dihydro-3H-pyrazol-3-one
Conditions | Yield |
---|---|
In ethanol at 0 - 60℃; for 16h; Inert atmosphere; | 100% |
In ethanol at 0 - 70℃; for 2h; | 86% |
Microwave irradiation; Sonication; |
methylhydrazine
2,4,6-trifluorobenzaldehyde
N-methyl-N'-[1-(2,4,6-trifluoro-phenyl)-meth-(E)-ylidene]-hydrazine
Conditions | Yield |
---|---|
In ethanol at 20℃; for 1h; | 100% |
In diethyl ether at 20℃; | |
In tetrahydrofuran at 20℃; for 5h; |
2,6-dibromo-4-[(2-ethylhexyloxy)methyl]pyridine
methylhydrazine
4-[(2-ethylhexyloxy)methyl]-2,6-bis(1-methylhydrazinyl)pyridine
Conditions | Yield |
---|---|
Reflux; Inert atmosphere; | 100% |
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