Structure via PubChem · Public domain (PubChem)
phthalazine
Sign in to saveAlso known as 2,3-diazanaphthalene, beta-phenodiazine, benzo[d]pyridazine, 2,3-benzodiazine, benzopyridazine
Phthalazine, also called benzo-orthodiazine or benzopyridazine, is a heterocyclic organic compound with the molecular formula C8H6N2. It is isomeric with other naphthyridines including quinoxaline, cinnoline and quinazoline.
Chemical data
- Formula
- C8H6N2
- Molecular weight
- 130.15 g/mol
- IUPAC name
- phthalazine
- SMILES
- C1=CC=C2C=NN=CC2=C1
- InChIKey
- LFSXCDWNBUNEEM-UHFFFAOYSA-N
- XLogP
- 0.6
- Polar surface area
- 25.8 Ų
- H-bond donors
- 0
- H-bond acceptors
- 2
- Formal charge
- 0
via PubChem
Drug data · ChEMBL
- Molecule type
- Small molecule
via ChEMBL · EBI
Wikidata facts
- Mass
- 130.053
Show 5 more facts
- melting point
- 91.0
- chemical formula
- C₈H₆N₂
- canonical SMILES
- C1=CC=C2C=NN=CC2=C1
- Commons category
- Phthalazine
- described by source
- Encyclopædia Britannica 11th edition
via Wikidata · CC0
~1 min read
Encyclopedic overview
4 sectionsContents
- Synthesis
- Properties
- Reactions
- References
Phthalazine, also called benzo-orthodiazine or benzopyridazine, is a heterocyclic organic compound with the molecular formula C8H6N2. It is isomeric with other naphthyridines including quinoxaline, cinnoline and quinazoline.
==Synthesis== Phthalazine can be obtained by the condensation of ω-tetrabromorthoxylene with hydrazine, or by the reduction of chlorphthalazine with phosphorus and hydroiodic acid.
Excerpted from Wikipedia’s “phthalazine” article, available under the CC BY-SA 4.0 licence.