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Structure

Alpha-naphtholbenzein

CAS
6948-88-5
Catalog Number
ACM6948885
Category
Other Products
Molecular Weight
392.45
Molecular Formula
C27H18O2

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Specification

Description
Alpha-naphtholbenzein is a derivative of the aromatic hydrocarbon naphthalene, consisting of two benzene rings and one naphthalene ring.
Synonyms
α-Naphtholbenzein;LABOTEST-BB LT00441167;BIS(4-HYDROXY-1-NAPHTHYL)PHENYLMETHANOL;Bis-(4-hydroxy-1-naphtyl)phenylmethanol;1-NAPHTHOLBENZEIN;4,4'-[ALPHA-HYDROXYBENZYLIDENE]-DI-1-NAPHTHOL;4-hydroxy-alpha-(4-hydroxynaphthyl)-alpha-phenylnaphthalene-1-methano
IUPAC Name
4-[hydroxy-(4-hydroxynaphthalen-1-yl)-phenylmethyl]naphthalen-1-ol
Canonical SMILES
C1=CC=C(C=C1)C(C2=CC=C(C3=CC=CC=C32)O)(C4=CC=C(C5=CC=CC=C54)O)O
InChI
InChI=1S/C27H20O3/c28-25-16-14-23(19-10-4-6-12-21(19)25)27(30,18-8-2-1-3-9-18)24-15-17-26(29)22-13-7-5-11-20(22)24/h1-17,28-30H
InChI Key
OUYLDJXFDLBCTQ-UHFFFAOYSA-N
Boiling Point
685.6ºC at 760mmHg
Melting Point
230-235 °C(lit.)
Flash Point
313.1ºC
Density
1.328 g/mL
Appearance
RED-BROWN POWDER
Application
It has been used as a model to study the structure and dynamics of aromatic molecules. It is also used as a fluorescent dye for biological imaging.
Storage
Store at 2-8 ℃
EC Number
230-116-9
Exact Mass
392.141
HTS Code
2907199090
MDL Number
MFCD00003979
PSA
60.69
WGK Germany
3
XLogP3
5.6884

Synthesis of Phthalocyanine Compounds Containing α-Naphtholbenzene Units

Özçeşmeci M. Journal of Organometallic Chemistry, 2014, 767: 16-21.

Alpha-naphtholquinone is a pH indicator that changes color when a neutral solution becomes alkaline. The precursors required for the synthesis of phthalocyanine complexes can be prepared through the nucleophilic aromatic substitution reaction between 4-nitrophthalonitrile and α-naphtholbenzene.
Synthetic procedure of phthalocyanine complexes
·α-Naphtholbenzein (1.081 g, 2.890 mmol) and 4-nitrophthalonitrile (0.500 g, 2.890 mmol) were stirred and dissolved in 50 mL dry DMF at room temperature.
· Anhydrous K2CO3 (0.800 g, 5.780 mmol) was added portionwise over 2 h under a nitrogen atmosphere, then the reaction mixture was stirred vigorously for further 3 days. After the reaction was completed, the mixture was purified to obtain compound 1.
· Cyclotetramerization reactions of the new dinitrile derivative were accomplished in dry dimethylformamide at refluxed temperature. Then metal-free phthalocyanine (2) and zinc(II) phthalocyanine (3) were prepared respectively.

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