Alkylating agent piperazines

Synonyms: 4-(4-Hydroxyphenyl)piperazine-1-carboxylic acid tert-butyl ester Purity Limit: &ge 98% (HPLC) CAS No.: 158985-25-2 Molecular Formula: C15H22N2O3 Molecular Weight: 278.

Synonym(s): tert-Butyl 4-(6-nitro-3-pyridyl)piperazine-1-carboxylate Formula: C14H20N4O4 Formula weight: 308.33 Purity: 97% CAS Number: 571189-16-7 Harmonized Tariff Code:  2933.

Synonym(s): tert-Butyl 4-(6-nitro-3-pyridyl)piperazine-1-carboxylate Formula: C14H20N4O4 Formula weight: 308.33 Purity: 97% CAS Number: 571189-16-7 Harmonized Tariff Code:  2933.

Application 1-Bromo-1-propene upon n -BuLi treatment generates the propynyllithium anion, in situ , which later undergoes nucleophilic addition reactions. Some of its other applications are: Synthesis of organic reagents such as methyl but-2-ynoate

Gold-catalyzed coupling reaction of pyrazine with 1-bromo-2,4-dimethylbenzene has been reported.1-Bromo-2,4-dimethylbenzene reacts with Mg and DMF, followed by the reaction with I2 and aq.NH3 to afford the corresponding aromatic nitrile.

Gold-catalyzed coupling reaction of pyrazine with 1-bromo-2,4-dimethylbenzene has been reported.1-Bromo-2,4-dimethylbenzene reacts with Mg and DMF, followed by the reaction with I2 and aq.NH3 to afford the corresponding aromatic nitrile.

Gold-catalyzed coupling reaction of pyrazine with 1-bromo-2,4-dimethylbenzene has been reported.1-Bromo-2,4-dimethylbenzene reacts with Mg and DMF, followed by the reaction with I2 and aq.NH3 to afford the corresponding aromatic nitrile.

Gold-catalyzed coupling reaction of pyrazine with 1-bromo-2,4-dimethylbenzene has been reported.1-Bromo-2,4-dimethylbenzene reacts with Mg and DMF, followed by the reaction with I2 and aq.NH3 to afford the corresponding aromatic nitrile.

1-Bromo-4-dodecylbenzene.

1-Bromo-4-dodecylbenzene.

1-Bromo-4-dodecylbenzene.

Other Notes Please note that Sigma-Aldrich provides this product to early discovery researchers as part of a collection of rare and unique chemicals. Sigma-Aldrich does not collect analytical data for this product.