Synthesis of cyclopentanone hydrazone

Preparation of cyclopentanone hydrazone

Preparation of cyclopentanone hydrazone

Preparation of cyclopentanone hydrazone

Cyclopentanone hydrazone is prepared from 50 g. of 85% hydrazine hydrate in 100 ml of 95% ethanol, to which 30 g. of cyclopentanone was added with shaking. The mixture was refluxed for 30 min. and, after standing at 4°C overnight, was concentrated on the steam-bath and distilled at 2 mm. yielding 9 g. of cyclopentanone hydrazone; b.p. 45-45.5°C at 1 mm., n25.5/D=1.5083.

W. von E. Doering and C. H. DePuy, J. Am. Chem. Soc., 75, 5955 (1953).

IUPAC Name

cyclopentylidenehydrazine

InChI

InChI=1S/C5H10N2/c6-7-5-3-1-2-4-5/h1-4,6H2

InChI Key

HUFXTMLATKDGEI-UHFFFAOYSA-N

Canonical SMILES

C1CCC(=NN)C1

Depositor-Supplied Synonyms

cyclopentylidenehydrazine, 10080-41-8, Cyclopentanone, one, NSC75983, AC1L5NSI, AC1Q4SUD, Cyclopentylidene-hydrazine, CTK3J9266, HUFXTMLATKDGEI-UHFFFAOYSA-N, AR-1I3311, NSC-75983, OR192966

Removed Synonyms

CID253276, 109232-36-2

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