Method for the synthesis of exocyclic derivatives of cycloalkyl-hydrazines and exocyclic derivatives of heterocycloalkyl-hydrazines

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United States of America Patent

PATENT NO 7879999
APP PUB NO 20070249829A1
SERIAL NO

10583284

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The invention relates to a method for the synthesis of exocyclic derivatives of cycloalkyl-hydrazines and exocyclic derivatives of heterocycloalkyl-hydrazines The invention is characterised in that the method comprises a step consisting in demixing a solution containing said synthesised derivative, by reacting a heterocyclic amine with monochloramine, in an organic phase and an aqueous phase with the addition of anhydrous sodium hydroxide. According to the invention, the starting amine which has not reacted is collected and reused directly without any additional treatment. The inventive method can also be used to obtain the corresponding exocyclic heterocycloalkyl-hydrazine or cycloalkyl-hydrazinederivative derivative at a low cost compared to that of other known methods.

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Patent Owner(s)

Patent OwnerAddress
HERAKLESRUE DE TOUBAN-LES CINQ CHEMINS LE HAILLAN 33185

International Classification(s)

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  • 2004 Application Filing Year
  • C07D Class
  • 3656 Applications Filed
  • 984 Patents Issued To-Date
  • 26.92 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances20042005200620072008200920102011201220132014201520160255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Berthet, Jacques Lyons, FR 4 8
Colas-Duriche, Cécile Talence, FR 1 0
Delalu, Henri Lyons, FR 6 14
Leurent, Philippe Toulouse, FR 2 1

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  • 0 Citation Count
  • C07D Class
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  • 14 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges550153132412365341213343501 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 7071 - 8081 - 9091 - 100100 +010020030040050060070080090010001100120013001400150016001700

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