piperonaln.

Brit.

/pᵻˈpɛrənal/,

/pʌɪˈpɛrənal/, U.S.

/pəˈpɛrəˌnɑl/,

/paɪˈpɛrəˌnɑl/

Origin: A borrowing from German. Etymon: German Piperonal.

Etymology: < German Piperonal (R. Fittig & W. H. Mielch 1869, in Ann. der Chem. u. Pharm. 152 37) < Piper- (in Piperin piperine n.) + -on -one suffix + -al -al suffix². Compare French pipéronal (1874).

Chemistry.

A crystalline bicyclic aldehyde obtained synthetically and from certain flowers and used in perfumery and flavourings; 1,3-benzodioxole-5-carboxaldehyde, (OCH₂O)H₃C₆—CHO. Also called heliotropin.

ΘΚΠ

the world > matter > chemistry > organic chemistry > crystalline substances > [noun] > others

amygdalin1651

asparagine1813

ambrein1820

aloin1828

orcin1833

anemonin1838

guaranin1838

helenin1838

puteanic acid1838

styracin1838

alloxanic acid1839

roccelline1840

sinapisine1840

lilacine1842

syringin1843

orsellic acid1848

roccellinin1848

rhamnetin1858

sapogenin1862

frangulin1864

phycite1864

fisetin1865

nucin1866

phlorone1866

piperonal1869

apiol1872

stercorin1873

juglone1878

orcinol1880

kinoin1881

ursone1885

iridin1894

saponarin1902

sambunigrin1905

lepton1921

leuco-taxin1937

lotaustralin1938

ionophore1955

1869 Chem. News 30 July 59/2 Piperinic acid,..when acted upon by permanganate of potassa in aqueous solution, yields a crystalline substance (formula, C₈H₆O₃), which body the authors called piperonal.

1909 C. A. Keane Mod. Org. Chem. vii. 123 Many substitutes for natural perfumes are also known, such as..heliotropin or piperonal, which possesses the odour of heliotrope.

1967 L. F. Fieser & M. A. Fieser Reagents for Org. Synthesis I. 944 A mixture of piperonal with 1·5 l. of water is heated on the steam bath with vigorous stirring.

2000 Jrnl. Agric. & Food Chem. 48 1298 We developed a..method to quantify seven alkenylbenzenes and piperonal in mainstream cigarette smoke particulate.

This entry has been updated (OED Third Edition, June 2006; most recently modified version published online March 2022).

单词	piperonal
释义	piperonaln. Brit. /pᵻˈpɛrənal/, /pʌɪˈpɛrənal/, U.S. /pəˈpɛrəˌnɑl/, /paɪˈpɛrəˌnɑl/ Origin: A borrowing from German. Etymon: German Piperonal. Etymology: < German Piperonal (R. Fittig & W. H. Mielch 1869, in Ann. der Chem. u. Pharm. 152 37) < Piper- (in Piperin piperine n.) + -on -one suffix + -al -al suffix². Compare French pipéronal (1874). Chemistry. A crystalline bicyclic aldehyde obtained synthetically and from certain flowers and used in perfumery and flavourings; 1,3-benzodioxole-5-carboxaldehyde, (OCH₂O)H₃C₆—CHO. Also called heliotropin. ΘΚΠ the world > matter > chemistry > organic chemistry > crystalline substances > [noun] > others amygdalin1651 asparagine1813 ambrein1820 aloin1828 orcin1833 anemonin1838 guaranin1838 helenin1838 puteanic acid1838 styracin1838 alloxanic acid1839 roccelline1840 sinapisine1840 lilacine1842 syringin1843 orsellic acid1848 roccellinin1848 rhamnetin1858 sapogenin1862 frangulin1864 phycite1864 fisetin1865 nucin1866 phlorone1866 piperonal1869 apiol1872 stercorin1873 juglone1878 orcinol1880 kinoin1881 ursone1885 iridin1894 saponarin1902 sambunigrin1905 lepton1921 leuco-taxin1937 lotaustralin1938 ionophore1955 1869 Chem. News 30 July 59/2 Piperinic acid,..when acted upon by permanganate of potassa in aqueous solution, yields a crystalline substance (formula, C₈H₆O₃), which body the authors called piperonal. 1909 C. A. Keane Mod. Org. Chem. vii. 123 Many substitutes for natural perfumes are also known, such as..heliotropin or piperonal, which possesses the odour of heliotrope. 1967 L. F. Fieser & M. A. Fieser Reagents for Org. Synthesis I. 944 A mixture of piperonal with 1·5 l. of water is heated on the steam bath with vigorous stirring. 2000 Jrnl. Agric. & Food Chem. 48 1298 We developed a..method to quantify seven alkenylbenzenes and piperonal in mainstream cigarette smoke particulate. This entry has been updated (OED Third Edition, June 2006; most recently modified version published online March 2022). < n.1869
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