Tröger's base

Tröger's base
	Ball-and-stick models of the two enantiomers of Tröger's base
Names
	Preferred IUPAC name 2,8-Dimethyl-6H,12H-5,11-methanodibenzo[b,f][1,5]diazocine
	Other names Troeger's base
Identifiers
CAS Number	529-81-7 (±) ; 21451-74-1 (+) ; 14645-24-0 (-) ;
3D model (JSmol)	Interactive image;
ChemSpider	170601;
ECHA InfoCard	100.150.499
PubChem CID	196981;
CompTox Dashboard (EPA)	DTXSID30200950 ;
	InChI InChI=1S/C17H18N2/c1-12-3-5-16-14(7-12)9-18-11-19(16)10-15-8-13(2)4-6-17(15)18/h3-8H,9-11H2,1-2H3 Key: SXPSZIHEWFTLEQ-UHFFFAOYSA-N; InChI=1/C17H18N2/c1-12-3-5-16-14(7-12)9-18-11-19(16)10-15-8-13(2)4-6-17(15)18/h3-8H,9-11H2,1-2H3 Key: SXPSZIHEWFTLEQ-UHFFFAOYAW;
	SMILES c1(ccc3c(c1)CN4c2ccc(cc2CN3C4)C)C;
Properties
Chemical formula	C17H18N2
Molar mass	250.345 g·mol−1
Melting point	135–6 °C (275–43 °F; 408–279 K)
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Tröger's base is a white solid tetracyclic organic compound. Its chemical formula is (CH
₃C
₆H
₃NCH
₂)
₂CH
₂. Tröger's base and its analogs are soluble in various organic solvents and strong acidic aqueous solutions due to their protonation. It is named after Julius Tröger, who first synthesized it in 1887.