Piperettine

Structural formula
General
Surname	Piperettine
other names	(2 E , 4 E , 6 E ) -Heptatrien-1-one, 7- (1,3-benzodioxol-5-yl) -1- (1-piperidinyl); 7- (3,4-Methylenedioxyphenyl) -hepta-2 E , 4 E , 6 E -trienoyl-piperidine;
Molecular formula	C 19 H 21 NO 3
External identifiers / databases
PubChem	11141599
Wikidata	Q2096457
properties
Molar mass	315.41 g mol −1
Physical state	firmly
Melting point	146 ° C
solubility	almost insoluble in acids
safety instructions
GHS hazard labeling ; no classification available
GHS hazard labeling ; no classification available
	As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Piperettine is a chemical compound from the group of alkaloids and piperine derivatives .

Occurrence

Black peppercorn

Piperettine occurs naturally to 0.4-0.8% in pepper and contributes to the sharp taste. It was isolated from black pepper by Spring and Stark in 1850.

Extraction and presentation

Piperettine can be obtained from piperonal by a Ramberg-Bäcklund reaction .

Web links

A Critical Study of two Procedures for the Determination of Piperine in Black and White Pepper (PDF; 572 kB) CHRISTIANE GENEST, D. MORISON SMITH, and DG CHAPMAN;

Individual evidence

^ ^A ^b ^c Quality Assurance In Spices And Spice Products . Allied, 1999, ISBN 978-81-7023-896-6 , pp. 116 ( limited preview in Google Book search).

↑ This substance has either not yet been classified with regard to its hazardousness or a reliable and citable source has not yet been found.

↑ Gerald Rimbach, Jennifer Möhring, Helmut F. Erbersdobler: Food and goods knowledge for beginners . Springer, 2010, ISBN 978-3-642-04485-4 , pp. 274 ( limited preview in Google Book search).

↑ Yang LI, Yu ZHANG, Xiao Long WANG, Zhi HUANG, Xiao Ping CAO, Chinese Chemical Letters Vol. 15, no. 6, pp. 631–634, 2004, Stereoselective Synthesis of Piperamide Alkaloids by Modified Ramberg-Bäcklund Reaction ( page no longer available , search in web archives ) Info: The link was automatically marked as defective. Please check the link according to the instructions and then remove this notice. (PDF; 100 kB).@1@ 2Template: Dead Link / imm.ac.cn

↑ Synthesis of Piperine Analogues ( Memento of October 21, 2012 in the Internet Archive ) (PDF; 232 kB).

[Spices-1] A ^b ^c Quality Assurance In Spices And Spice Products . Allied, 1999, ISBN 978-81-7023-896-6 , pp. 116 ( limited preview in Google Book search).

[NV-2] This substance has either not yet been classified with regard to its hazardousness or a reliable and citable source has not yet been found.

[buch-3] Gerald Rimbach, Jennifer Möhring, Helmut F. Erbersdobler: Food and goods knowledge for beginners . Springer, 2010, ISBN 978-3-642-04485-4 , pp. 274 ( limited preview in Google Book search).