Piperazine et Impuretés

4-[2-(4-Methyl-piperazin-1-yl)-ethoxy]-benzoic acid

n-[2-(piperazin-1-yl)ethyl]cyclobutanecarboxamide

Tert-butyl 4-(pyridin-4-yl)piperazine-1-carboxylate

1-[(4-Ethylsulfonyl-2-fluoro)phenyl]-3-methylpiperazine

3-Benzyl-1-phenyl-piperazine dihydrochloride

(4-(5-Chloro-2-methylphenyl)piperazin-1-yl)(2,4-dichlorophenyl)methanone

3-Methylenepiperazine-2,5-dione

Tert-butyl 4-(3-(1H-pyrazol-3-yl)phenethyl)piperazine-1-carboxylate

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

tert-Butyl 4-(7-bromo-6-chloro-8-fluoroquinazolin-4-yl)piperazine-1-carboxylate

3-(Piperazin-1-yl)isoquinoline

N-(4-fluorobenzyl)-2-(4-phenylpiperazin-1-yl)acetamide

1-[4-(Benzyloxy)phenyl]piperazine

1-(2-Methoxyphenyl)-4-(phenylsulfonyl)piperazine

1-[3-(4-nitrophenyl)-1,2,4-thiadiazol-5-yl]piperazine

2-Methyl-1-(o-tolyl)piperazine

5-Chloro-2-(piperazin-1-yl)benzo[d]oxazole

2-Tert-butylpiperazine

1-[3-(3,5-dimethyl-1H-pyrazol-1-yl)-4-nitrophenyl]piperazine

2-(1-(Naphthalen-1-ylmethyl)-3-oxopiperazin-2-yl)acetic acid

N-(4-(5-chloro-2-methylphenyl)piperazin-1-yl)-N-cyclohexylformamide

1-(4-Benzylpiperazin-1-yl)-2,2-dimethylpropan-1-one

4-(2-Amino-4-bromophenyl)-1-methylpiperazin-2-one

1-(4-methyl-thiaZol-2-yl)-piperazine dihydrochloride

3-[(4-ethyl-1-piperazinyl)methyl]-2,5-dimethylbenzaldehyde dihydrochloride

Tert-butyl 4-(3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzyl)piperazine-1-carboxylate

2-[4-(cyclopropanesulfonyl)piperazin-1-yl]ethan-1-ol

1-Piperazinecarboxylic acid, 4-(cyclopropylmethyl)-, 1,1-dimethylethyl ester

1-(4-Benzylpiperazin-1-yl)-3-(1,3-dioxoisoindolin-2-yl)propan-2-yl methanesulfonate

(2-Chloro-pyridin-4-yl)-piperazin-1-yl-methanone hydrochloride

2-(4-(2-Methoxyphenyl)piperazin-1-yl)ethan-1-ol dihydrochloride

Tert-butyl (R)-3-(4-fluorophenyl)piperazine-1-carboxylate

6-Chloro-4-(piperazin-1-yl)-2-(trifluoromethyl)quinoline

(2,6-Difluorophenyl)(4-(2-fluorophenyl)piperazin-1-yl)methanone

2-Chloro-1-{4-[(3-fluoro-4-methoxyphenyl)methyl]piperazin-1-yl}ethan-1-one hydrochloride

4-(Piperazin-1-yl)benzoic acid hydrochloride

Tert-butyl 4-(1H-indole-2-carbonyl)piperazine-1-carboxylate

2-Methyl-4-(1-thiazol-2-yl-ethyl)-piperazine-1-carboxylic acid tert-butyl ester

1-Carbamoylpiperazine-2-carboxylic acid

2-(4-Methylpiperazin-1-yl)pyridine-4-carboxylic acid

1-(4-Chloro-benzyl)-piperazine-2-carboxylic acid hydrochloride

Ethyl 4-(3-formyl-9-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-2-yl)piperazine-1-carboxylate

1-(3,5-dichlorobenzoyl)piperazine

1-((5-Bromothiophen-3-yl)methyl)piperazine

Ethyl 1-ethyl-6-fluoro-7-(4-methylpiperazin-1-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylate

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

1-(5-Nitropyridin-2-yl)-4-phenylpiperazine

4-[4-(3-methylbutanoyl)piperazin-1-yl]aniline

tert-Butyl 4-benzoylpiperazine-1-carboxylate

1-Benzyl 4-tert-butyl 2-methylpiperazine-1,4-dicarboxylate

1-Ethyl-3-isopropylpiperazine

6-Methoxy-2-methyl-4-(piperazin-1-yl)quinoline hydrochloride

2-(2-Methylpiperazin-1-yl)ethan-1-ol

6-(4-(2-Hydroxyethyl)piperazin-1-yl)nicotinonitrile

N-(4-chlorophenyl)-4-(pyridin-2-yl)piperazine-1-carbothioamide

8-{[4-(4-fluorophenyl)piperazin-1-yl]sulfonyl}-2H,3H-[1,2,4]triazolo[4,3-a]pyridin-3-one

{3-Chloro-4-[4-(2-thienylcarbonyl)piperazin-1-yl]phenyl}amine

1-Methyl-4-{2-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl]ethyl}piperazine

methyl (S)-3-amino-6-chloro-5-(3-ethylpiperazin-1-yl)pyrazine-2-carboxylate

Ethyl 2-(2-(4-phenylpiperazin-1-yl)acetamido)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate

2-(4-Ethylpiperazin-1-yl)-5-(piperidin-1-ylsulfonyl)aniline

Tert-butyl 3-[4-(methoxycarbonyl)phenyl]piperazine-1-carboxylate

4-(5-Chloro-pyrimidin-2-yl)-3-methyl-piperazine-1-carboxylic acid tert-butyl ester

1-Phenylpiperazine hydrobromide

1-[2-nitro-4-(trifluoromethyl)phenyl]piperazine hydrochloride

tert-Butyl (R)-3-methylpiperazine-1-carboxylate hydrochloride

2-(4-(3-Chlorophenyl)piperazin-1-yl)-1-phenylethan-1-ol

3-Methyl-1-(3-nitropyridin-2-yl)piperazinehydrochloride

Phenyl(4-piperazin-1-ylphenyl)methanone

1-((2-Methyltetrahydrofuran-3-yl)methyl)piperazine

1-((4-(Tert-butyl)phenyl)sulfonyl)-4-(2-methoxyphenyl)piperazine

3-(2-bromophenyl)-1-methylpiperazine-2,5-dione

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

4-(2-Phenoxyacetyl)piperazin-2-one

(3S)-1-Benzyl-3-propylpiperazine

1-(1-(3-Chlorophenyl)-1h-imidazol-2-yl)piperazine

4-(Cyclopropanecarbonyl)piperazin-2-one

Ethyl 2-(4-(4-methoxyphenyl)piperazin-1-yl)propanoate

1-(Naphthalene-2-sulfonyl)piperazine

1-((2-Methyl-2,3-dihydrobenzofuran-5-yl)methyl)piperazine

1-(4-methoxyphenyl)-3-methylpiperazine dihydrochloride

7-(4-chlorophenyl)-2-[4-(2,5-dimethylphenyl)piperazin-1-yl]-1H,4H-thieno[3,2-d]pyrimidin-4-one

2-Chloro-1-[4-(2-fluoro-benzoyl)-piperazin-1-yl]-ethanone

2-(4-(tert-Butoxycarbonyl)piperazin-1-yl)-2-(furan-2-yl)acetic acid

1-(4-Methoxypyridin-2-yl)piperazine

1-(2-Chloro-4-fluorobenzoyl)piperazine

(3-(Piperazine-1-carbonyl)phenyl)boronic acid

1-(2-Methoxyphenyl)-4-(5-nitropyridin-2-yl)piperazine

4-(Piperazin-1-ylmethyl)benzene-1,2-diol

1-({1-[(3,5-dimethylisoxazol-4-yl)sulfonyl]piperidin-4-yl}acetyl)piperazine hydrochloride

1-(Cyclopropylmethyl)-2-ethylpiperazine

2-(4-(3-Chlorophenyl)piperazin-1-yl)-N-(4-fluorophenyl)acetamide

2-Phenyl-5-(piperazin-1-yl)-1,3,4-oxadiazole hydrochloride

ETHYL 3-NITRO-4-(4-METHYLPIPERAZIN-1-YL)BENZOATE

5-Chloro-N-(2-methoxy-4-(4-methylpiperazin-1-yl)phenyl)-4-(3-nitrophenoxy)pyrimidin-2-amine

4-(3-Aminopyridin-2-yl)piperazin-2-one

tert-Butyl 4-(6-aminopyridin-2-yl)piperazine-1-carboxylate

1-methyl-4-(3-piperidinylmethyl)piperazine trihydrochloride

1-Cyclopentyl-2-ethylpiperazine

2-[4-(3-Nitro-2-pyridyl)piperazino]ethan-1-ol