neraln.
/ˈnɪəral/, U.S. /ˈniˌræl/ Chemistry.
A colourless oily aldehyde, C10H16O, which is the cis isomer of citral and gives nerol on reduction. Also called citral-b. Cf. geranial n.
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neral1907
1907 J. B. Cohen Org. Chem. Adv. Students I. xiii. 529 Nerol..and its oxidation product, neral, are probably stereoisomeric with geraniol and citral.
1922 J. J. Sudborough Bernthsen's Text-bk. Org. Chem. (new ed.) xli. 606 The citral obtained from lemongrass oil contains 6–7 per cent of neral, the aldehyde corresponding with nerol.
1953 E. H. Rodd Chem. Carbon Compounds II b. xii. 498 The aldehyde citral..occurs in two geometrical forms, citral-a (geranial) and citral-b (neral).
1973 Zoon Suppl. 1 56 The main components of the secretion [of four species of Prosopis] have been identified as the two isomers of citral, geranial..and neral.
2000 Jrnl. Agric. & Food Chem. 48 5401 Amino acids also catalyze the cis-trans isomerization of the pure isomers of citral, geranial, and neral.
This entry has been updated (OED Third Edition, September 2003; most recently modified version published online March 2022).
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