Hantzsch ester

Hantzsch ester
Names
	Other names Diludine, 1,4-dihydro-2,6-dimethyl-3,5-pyridinedicarboxylic acid diethyl ester
Identifiers
CAS Number	1149-23-1 ;
3D model (JSmol)	Interactive image;
ChemSpider	64013;
ECHA InfoCard	100.013.237
EC Number	214-561-6;
PubChem CID	70849;
UNII	GWN6123BUG;
CompTox Dashboard (EPA)	DTXSID80150895 ;
	InChI InChI=1S/C13H19NO4/c1-5-17-12(15)10-7-11(13(16)18-6-2)9(4)14-8(10)3/h14H,5-7H2,1-4H3 Key: LJXTYJXBORAIHX-UHFFFAOYSA-N;
	SMILES CCOC(=O)C1=C(NC(=C(C1)C(=O)OCC)C)C;
Properties
Chemical formula	C13H19NO4
Molar mass	253.298 g·mol−1
Appearance	white or colorless solid
Melting point	182–183 °C (360–361 °F; 455–456 K)
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Hantzsch ester refers to an organic compound with the formula HN(MeC=C(CO₂Et))₂CH₂ where Me = methyl (CH₃) and Et = ethyl (C₂H₅). It is a light yellow solid. The compound is an example of a 1,4-dihydropyridine. It is named after Arthur Rudolf Hantzsch who described its synthesis in 1881. The compound is a hydride donor, e.g., for reduction of imines to amines. It is a synthetic analogue of NADH, a naturally occurring dihydropyridine.

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