Piperazine e Impurezze

1-(4-Chloro-pyridin-2-yl)-piperazine dihydrochloride

1-(4-Bromophenyl)-2-(piperazin-1-yl)ethanone

2-(Piperazin-1-yl)-1-(thiophen-2-yl)ethan-1-ol

2-{[(2-piperazin-1-ylethyl)amino]methylene}-5-thien-2-ylcyclohexane-1,3-dione

4-(Piperazin-1-yl)pyridine-2-carbonitrile

3-Methyl-2-(piperazin-1-yl)butanenitrile

{2-[4-(2-amino-4-chlorophenyl)piperazin-1-yl]-5-chlorophenyl}amine

4-[4-(1,3-benzodioxol-5-ylmethyl)piperazin-1-yl]-4-oxobutanoic acid

4-[4-(2,5-dimethylbenzenesulfonyl)piperazin-1-yl]-4-oxobutanoic acid

2-[(2R)-2-Methylpiperazin-1-yl]acetic acid

1-(2-Methoxyethyl)-3,3-dimethylpiperazine

(4-Methyl-piperazin-1-yl)-oxo-acetic acid

tert-Butyl 4-[(4-iodophenyl)carbonyl]piperazine-1-carboxylate

2-(furan-2-yl)piperazine

2-[4-(2-chloroacetyl)piperazin-1-yl]-2-(thiophen-2-yl)acetonitrile

1-(1-(2-Ethyl-5-methoxy-4-nitrophenyl)piperidin-4-yl)-4-(methylsulfonyl)piperazine

Ethyl 4-carbamimidoylpiperazine-1-carboxylate

1-(2-Methoxyethyl)-2-propylpiperazine

(E)-1-(4-(3-chlorophenyl)piperazin-1-yl)-3-(3,4,5-trimethoxyphenyl)prop-2-en-1-one

1-[(2-hydrazinylpyridin-3-yl)sulfonyl]-4-methylpiperazine

1-Methyl-4-(3-phenylprop-2-yn-1-yl)piperazine

3-Methyl-4-(2-methylsulfanyl-pyrimidin-4-yl)-piperazine-1-carboxylic acid tert-butyl ester

1-(3-methylbutanoyl)piperazine hydrochloride

2-Chloro-1-(4-thieno[2,3-d]pyrimidin-4-yl-piperazin-1-yl)-ethanone

2-(4-Benzylpiperazin-1-yl)-1-phenylethan-1-ol

3-[4-(3,4-dichlorophenyl)piperazin-1-yl]-3-iminopropanenitrile

1-(3-Methoxyphenoxy)-3-(4-methylpiperazin-1-yl)propan-2-ol dihydrochloride

4-(2-furoyl)piperazine-1-carboximidamide sulfate

(4-(Dimethylamino)phenyl)(4-phenylpiperazin-1-yl)methanone

Piperazin-1-yl(pyrazin-2-yl)methanone

(4-(Benzo[d][1,3]dioxol-5-ylmethyl)piperazin-1-yl)(3-chlorobenzo[b]thiophen-2-yl)methanone

2-(4-Benzoylpiperazin-1-yl)ethan-1-ol

4-(2-Hydroxy-ethyl)-piperazine-1,2-dicarboxylic acid 1-benzyl ester 2-methyl ester

2-Methyl-6-(4-methylpiperazin-1-yl)nicotinaldehyde

2-Methyl-4-(piperazin-1-yl)-6-propylpyrimidine

Benzyl 4-(4-(chlorosulfonyl)phenyl)piperazine-1-carboxylate

(S)-1-Benzyl-3-(2,2,2-trifluoro-ethyl)-piperazine

2,4-dimethyl-5-[(4-methyl-1-piperazinyl)methyl]benzaldehyde dihydrochloride

4-(4-(Cyclopropanecarbonyl)piperazin-1-yl)benzoic acid

2-[1-(3-Methyl-piperazin-1-yl)-ethyl]-pyrazine hydrochloride

Methyl 2-(4-methylpiperazin-1-yl)pyridine-5-carboxylate

1-(1,1,1-Trifluoropropan-2-yl)piperazine

N-(tert-butyl)-4-phenylpiperazine-1-carboxamide

(4-Ethoxyphenyl)(piperazin-1-yl)methanone

Tert-butyl 4-(2-(4-bromophenoxy)acetyl)piperazine-1-carboxylate

(R)-1-(((9H-Fluoren-9-yl)methoxy)carbonyl)-4-(tert-butoxycarbonyl)piperazine-2-carboxylic acid

N,N-dimethyl-4-(pyridin-2-yl)piperazine-1-sulfonamide

Benzyl 3-(2-hydroxyethyl)piperazine-1-carboxylate

2-(4-(2-Methoxyphenyl)piperazin-1-yl)-9-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carbaldehyde

2-chloro-5-fluoro-4-(4-methylpiperazin-1-yl)pyrimidine

2-[4-(4-chlorophenyl)piperazin-1-yl]-5-nitrobenzonitrile

4-Methoxy-3-((4-(4-nitrophenyl)piperazin-1-yl)methyl)benzaldehyde

2-Chloro-1-(4-methyl-piperazin-1-yl)-ethanone

3-{4-[(4-ethylpiperazin-1-yl)sulfonyl]phenyl}propanoic acid

1-({2-methyl-5h,6h,7h,8h-imidazo[1,2-a]pyridin-3-yl}methyl)piperazine

1-((1,2,3,4-Tetrahydronaphthalen-1-yl)methyl)piperazine

2-(4-Methylpiperazin-1-yl)-3-phenylpropanoic acid

2-(4-Ethylpiperazin-1-yl)ethanol

5-[(4-methylpiperazin-1-yl)methyl]thiophene-2-carboxylic acid

4-(2-Chloro-pyrimidin-4-yl)-piperazine-1,3-dicarboxylic acid 1-tert-butyl ester

6-(4-Methylpiperazin-1-yl)pyridine-2-carbonitrile

7-(4-Chlorophenyl)-2-(4-(2-fluorophenyl)piperazin-1-yl)thieno[3,2-d]pyrimidin-4(1H)-one

tert-Butyl (3S,5R)-3,4,5-trimethylpiperazine-1-carboxylate

5-bromo-2-(4-methylpiperazin-1-yl)benzonitrile

1-{3-[(2-methylphenyl)methyl]-1,2,4-thiadiazol-5-yl}piperazine

4-[3-chloro-4-(1-hydroxyethyl)phenyl]-1-methylpiperazin-2-one

1-Methylpiperazine-2-carbonitrile

1-(Oxetan-3-yl)piperazine dihydrochloride

4-[4-(diphenylmethyl)piperazin-1-yl]-4-oxobutanoic acid

4-(Piperazin-1-yl)tetrahydro-2h-thiopyran-4-carboxamide

[(4-METHYLPHENYL)PHENYLMETHYL]PIPERAZINE

5,5-Dimethyl-2-(piperazin-1-yl)-4,5-dihydrothiazole

N,N-diisopropyl-2-(piperazin-1-yl)acetamide

(S)-2-(Trifluoromethyl)piperazine

5-(piperazine-1-sulfonyl)-1,2,3,4-tetrahydropyrimidine-2,4-dione hydrochloride

1,3,5-Trimethylpiperazine

3-(3-phenylpiperazin-1-yl)pyrazin-2-amine

5-Methyl-6-(piperazin-1-yl)nicotinaldehyde

n-(2,3-Dichlorophenyl)-2-(4-(4-nitrophenyl)piperazin-1-yl)acetamide

(2-(Piperazin-1-yl)pyridin-3-yl)(pyrrolidin-1-yl)methanone

4-(difluoromethyl)-6-(2-furyl)-2-piperazin-1-ylpyrimidine

Piperazine-1-carboxylic acid diethylamide

3,4-Dimethyl-1-(piperazin-1-yl)cyclohexane-1-carboxamide

1-{3-[3-(trifluoromethyl)phenyl]-1,2,4-thiadiazol-5-yl}piperazine

4-(Piperazin-1-yl)-2,6-bis(trifluoromethyl)quinoline

3-Methyl-1-(4-nitrophenyl)piperazine

3-(4-Methylpiperazin-1-yl)butanoic acid

(R)-1-(4-(2-Hydroxypropyl)piperazin-1-yl)ethan-1-one

(3Z)-3-[2-oxo-2-(thiophen-2-yl)ethylidene]piperazin-2-one

1-[2-(allyloxy)benzyl]piperazine

6-Phenyl-2-(piperazin-1-yl)nicotinonitrile

2-[4-(2-chloroacetyl)piperazin-1-yl]-n-(4-fluorophenyl)acetamide hydrochloride

3-Methyl-7-(piperazin-1-yl)-3h-[1,2,3]triazolo[4,5-d]pyrimidine hydrochloride

Ethyl 4-(2-chloropropanoyl)piperazine-1-carboxylate

4-(2-Aminoethyl)-3-methylpiperazin-2-one

1-(4-(5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-3-yl)piperazin-1-yl)ethan-1-one

2-{4-[2-(pyridin-4-yl)ethyl]piperazin-1-yl}aniline

ethyl 4-(2-amino-6-chlorophenyl)piperazine-1-carboxylate

2-(4-(Benzo[d][1,3]dioxol-5-ylmethyl)piperazin-1-yl)-N-(2,4-difluorophenyl)acetamide

1-(3,5-dichloropyridin-2-yl)piperazine