Indoline

Structural formula
General
Surname	Indoline
other names	2,3-dihydro-1 H -indole 1H -indoline 1-azaindan Benzopyrrolidine
Molecular formula	C 8 H 9 N
Brief description	colorless liquid at room temperature
External identifiers / databases
CAS number 496-15-1 EC number 207-816-8 ECHA InfoCard 100.007.107 PubChem 10328 Wikidata Q2613101
properties
Molar mass	119.16376 g mol −1
Physical state	liquid
density	1.069 g cm −3
boiling point	230 ° C
solubility	soluble in organic solvents slightly soluble in water
Refractive index	1.5922
safety instructions
GHS labeling of hazardous substances H and P phrases H: 302-315-319-335 P: 261-305 + 351 + 338-302 + 352-321-405-501
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions . Refractive index: Na-D line , 20 ° C

Indoline is a chemical substance and occurs as a structural fragment in many natural substances .

presentation

Indoline can be prepared by reduction of the indole with zinc dust and 85% hydrochloric acid are shown. In contrast to earlier syntheses, there is hardly any polymerization as a side reaction.

use

Indoline is used in the manufacture of pharmaceuticals and dyes.

Individual evidence

1. ↑ ^{a b c d e f} Entry on indoline. In: Römpp Online . Georg Thieme Verlag, accessed on June 14, 2014.
2. ↑ T. Tóth, Á. Gerecs: Indole and Indole Derivatives, IX in Acta Chimica Hungarica: a Journal of the Hungarian Academy of Sciences , 67, No. 2, 1971, pp. 229-239
3. ↑ ^{a b} data sheet indoline at AlfaAesar, accessed on May 4, 2013 ( PDF )(JavaScript required) .
4. ↑ Lloyd J. Dolby, Gordon W. Gribble : A convenient preparation of indoline . In: Journal of Heterocyclic Chemistry . tape 3 , no. 2 , June 1966, p. 124–125 , doi : 10.1002 / jhet.5570030202 (English, PDF ).