A PROCESS FOR PREPARATION OF 4,4'-(1-METHYL-1,2-ETHANDIYL)-BIS-(2,6-PIPERAZINEDIONE)

A PROCESS FOR PREPARATION OF 4,4'-(1-METHYL-1,2-ETHANDIYL)-BIS-(2,6-PIPERAZINEDIONE)

The present invention relates to a new method for preparing 4,4'-(1-methyl-1,2- ethandiyl)-bis-(2,6-piperazinedione) of formula (I) or its enantiomers. More specifically this invention relates to a new process for preparing 4,4'-(1-methyl- 1,2- ethandiyl)-bis-(2,6-piperazinedione), which g...

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Bibliographische Detailangaben
Hauptverfasser: SWAMINATHAN, DHANABAL, ARULMOLI, THANGAVEL, MUTHULINGAM, ARUNAGIRI, SENTHILKUMAR, ANNADURAI, MARIMUTHU, SURESH, RAMASAMY, SARAVANAKUMAR, KASIYAPPAN, GURUSAMY, YOGARAJAN, NACHIAPPAN
Format: Patent
Sprache:eng ; fre
Schlagworte:
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Zusammenfassung:The present invention relates to a new method for preparing 4,4'-(1-methyl-1,2- ethandiyl)-bis-(2,6-piperazinedione) of formula (I) or its enantiomers. More specifically this invention relates to a new process for preparing 4,4'-(1-methyl- 1,2- ethandiyl)-bis-(2,6-piperazinedione), which gives better yield and purity and involves new intermediate. La présente invention concerne un nouveau procédé de préparation de 4,4'-(1-méthyl-1,2- éthanediyl)-bis-(2,6-pipérazinedione) de formule (I) ou de ses énantiomères. De manière plus spécifique, la présente invention concerne un nouveau procédé de préparation de 4,4'-(1-méthyl-1,2-éthanediyl)-bis-(2,6-pipérazinedione), qui permet d'obtenir un meilleur rendement et une plus grande pureté et qui fait intervenir de nouveaux intermédiaires.