4-Fluoro-2-methylbenzonitrile

CAS Number 147754-12-9

4-Fluoro-2-methylbenzonitrile CAS 147754-12-9

A fluorinated benzonitrile building block

Used as an intermediate for the preparation of APIs and TADF emitters

Overview
Related Products

4-Fluoro-2-methylbenzonitrile (CAS number 147754-12-9), also referred to as 2-cyano-5-fluorotoluene, is a benzonitrile derivative with a fluorine and a methyl substituents at the 4- and 2-positions. An emitter, named as 4,4'-(9H,9'H-[3,3'-bicarbazole]-9,9'-diyl)bis(2-methylbenzonitrile), with thermally activated delayed fluorescence (TADF) characteristics is synthesised using 4-fluoro-2-methylbenzonitrile and bicarbazole through nucleophilic aromatic substitution. The presence of the methyl group enhances the thermal stability of the emitter, with an initial decomposition temperature at 447 °C. The OLED device fabricated with this TADF emitter shows exceptional current efficiency (34.5 cdA^-1), power efficiency (29.9 lmW^-1) and external quantum efficiency (10.8%).

4-Fluoro-2-methylbenzonitrile is also an essential building block for APIs, for instance, trelagliptin succinate used for the treatment of type II diabetes.

Multiple functional groups

For facile synthesis

Fluorinated benzonitrile building block

For drug discovery, TADF dyes, OLEDs research

Worldwide shipping

Quick and reliable shipping

High purity

>97% High purity

General Information

CAS Number	147754-12-9
Chemical Formula	C₈H₆FN
Full Name	4-Fluoro-2-methylbenzonitrile
Molecular Weight	135.14 g/mol
Synonyms	2-Cyano-5-fluorotoluene, 4-Fluoro-o-tolunitrile
Classification / Family	Fluorinated building blocks, Benzonitrile building blocks, APIs, OLEDs, TADF

Chemical Structure

Product Details

Purity	97%
Melting Point	T_m = 70 °C – 74 °C
Appearance	White powder/crystals

MSDS Documentation

4-Fluoro-2-methylbenzonitrile MSDS Sheet

Literature and Reviews

Synthesis of trelagliptin succinate, S. Xu et al., OPR&D, 21(4), 585–589(2017); DOI: 10.1021/acs.oprd.7b00013.
Alkyl effects on the optoelectronic properties of bicarbazole/cyanobenzene hybrid host materials: double delayed fluorescent host/dopant systems in solution-processed OLEDs, X. Cao et al., Dyes Pigm., 136, 543–552(2017); DOI: 10.1016/j.dyepig.2016.09.008.
Discovery of aryloxy tetramethylcyclobutanes as novel androgen receptor antagonists, C. Guo et al., J. Med. Chem., 54, 7693–7704(2011); DOI: 10.1021/jm201059s.
Discovery of N-{4-[(3-hydroxyphenyl)-3-methylpiperazin-1-yl]-2-methylpropyl}-4-phenoxybenzamide analogues as selective Kappa opioid receptor antagonistsC. Kormos et al., J. Med. Chem., 56(11), 4551–4567(2013); DOI: 10.1021/jm400275h.

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