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3,3-Diphenyl-3H-Naphtho[2,1-B]Pyran

CAS: 4222-20-2 | C25H18O

2D Structure

3D Structure

Loading 3D structure...

Basic Information

CAS Registry Number: 4222-20-2
Molecular Formula: C25H18O
Molecular Mass: 334.42 g/mol

Names and Synonyms:

3,3-Diphenyl-3H-Naphtho[2,1-B]Pyran
3H-Naphtho[2,1-b]pyran, 3,3-diphenyl-
3,3-Diphenyl-3H-naphtho[2,1-b]pyran
2,2-Diphenyl-5,6-benzo(2H)chromene
Variacrol Yellow L
D 3197
Photopia AQ Ink Yellow
3,3-Diphenylbenzo[f]chromene

Identifiers:

SMILES:
C1=CC(c2ccccc2)(c2ccccc2)Oc2ccc3ccccc3c21
InChI:
InChI=1S/C25H18O/c1-3-10-20(11-4-1)25(21-12-5-2-6-13-21)18-17-23-22-14-8-7-9-19(22)15-16-24(23)26-25/h1-18H

Key Properties

Melting Point
160-161 °C @ Solvent: Acetic acid CAS Common Chemistry

Spectral Data

NMR, IR, and Mass spectral data

1H NMR
13C NMR
Predicting NMR spectra...
10 ppm 9 8 7 6 5 4 3 2 1 0 ppm
Shift (ppm) Multiplicity Integration Assignment
200 ppm 180 160 140 120 100 80 60 40 20 0 ppm
Shift (ppm) DEPT Assignment

Note: These NMR spectra are predicted computationally and may differ from experimental data. Predictions are based on chemical environment analysis.

External Resources

All Properties

Comprehensive physical and chemical properties

Property Value Source
Molecular Mass 334.42 g/mol CAS Common Chemistry
334.41800000000006 g/mol RDKit
334.135765196 g/mol RDKit
Canonical SMILES O1C2=CC=C3C=CC=CC3=C2C=CC1(C=4C=CC=CC4)C=5C=CC=CC5 CAS Common Chemistry
InChI InChI=1S/C25H18O/c1-3-10-20(11-4-1)25(21-12-5-2-6-13-21)18-17-23-22-14-8-7-9-19(22)15-16-24(23)26-25/h1-18H CAS Common Chemistry
InChI Key InChIKey=UBNNJVRNPJVYBU-UHFFFAOYSA-N CAS Common Chemistry
Melting Point 160-161 °C @ Solvent: Acetic acid CAS Common Chemistry
Name 3,3-Diphenyl-3H-naphtho[2,1-b]pyran CAS Common Chemistry
Heavy Atom Count 26 RDKit
Hydrogen Bond Acceptors 1 RDKit
Hydrogen Bond Donors 0 RDKit
Rotatable Bonds 2 RDKit
Aromatic Ring Count 4 RDKit
Topological Polar Surface Area 9.23 Ų RDKit
LogP 6.189200000000005 RDKit
Molar Refractivity 107.27400000000004 RDKit

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