1414397-79-7

Basic information

• Product Name: 2-oxo-4-phenyl-2H-benzo[h]chromene-3-carbonitrile
• Synonyms: 2-oxo-4-phenyl-2H-benzo[h]chromene-3-carbonitrile
• CAS NO: 1414397-79-7
• Molecular Weight: 297.313
• Mol File: 1414397-79-7.mol
• Article Data: 6

Chemical Properties

• CAS DataBase Reference: 2-oxo-4-phenyl-2H-benzo[h]chromene-3-carbonitrile(CAS DataBase Reference)
• NIST Chemistry Reference: 2-oxo-4-phenyl-2H-benzo[h]chromene-3-carbonitrile(1414397-79-7)
• EPA Substance Registry System: 2-oxo-4-phenyl-2H-benzo[h]chromene-3-carbonitrile(1414397-79-7)

Safety Data

• Hazardous Substances Data: 1414397-79-7(Hazardous Substances Data)

Upstream product

• 90-15-3 α-naphthol 
• 2025-40-3 ethyl benzylidenecyanoacetate 
• 100-52-7 benzaldehyde 
• 119825-05-7 2-amino-4-phenyl-4H-benzo[h]chromene-3-carbonitrile 

Relevant articles and documents

Engineering fused coumarin dyes: A molecular level understanding of aggregation quenching and tuning electroluminescence via alkyl chain substitution

Simple molecular structures capable of emitting over the entire visible range are still a challenge. Planar molecular structures have the drawback of fluorescence quenching in the solid state thus limiting their application fields. Combining long range excimer/exciplex emissions with a compound emission have been used to get white light. In this work, a series of new coumarin derivatives having a planar structure have been synthesized and characterized. The effects of systematic variation in alkyl chain functionalization providing morphological variations that permit interesting solid state emitting properties have been discussed simultaneously with electrochemical behavior and OLED (organic light emitting diode) device applications. Carbon chains containing 0-16 carbon atoms have been studied in order to conclude the results that systematic changes in alkyl group substitution can be utilized as a tool to tune the emitting color of these planar coumarins. Alkyl chains were introduced by O-acylation and O-benzoylation reaction on the hydroxyl group of parent coumarin 5. Thus the present strategy is also helpful in establishing a template to control the unproductive interchromophore electronic couplings. Solid state fluorescence properties support the crystal studies. Theoretical studies are also in agreement with experimental data. Electroluminescence of Device 2 with a turn on voltage (Von) around 5-6 V having s-CBP doped with 1% of 8 having alkyl substitution of 2-carbons is found to exhibit white emission with CIE co-ordinates of (0.29, 0.34) which is close to white emission while the alkyl substitution of 14-carbons (compound 17) in Device 7 (Von = 7 V) exhibited green emission. Thus a strategy helpful to tune the electroluminescence has been discussed. This journal is the Partner Organisations 2014.

Hypervalent iodine promoted transformation of 4H-chromenes into dihydrofurans and 2H-chromenes

A novel protocol to synthetic transformation of 4H-chromenes into dihydrofurans (3) and 2H-chromenes (11) promoted by hypervalent iodine has been accomplished in a one-pot reaction at ambient temperature. Dihydrofurans are exclusively formed under basic reaction conditions, whereas, 2H-chromenes are the products under acidic condition. Simple reaction conditions with a broad substrate scope inclusive of various heterocycles and high yields are the attractive features of this protocol.

Highly efficient conversion of fused 2-amino-4-aryl-4H-chromene-3- carbonitriles into fused 2-oxo-4-aryl-2H-chromene-3-carbonitriles using Vilsmeier conditions

A simple, mild, and highly efficient protocol for the synthesis of fused 2-oxo-4-aryl-2H-chromene-3-carbonitriles has been developed starting from fused 2-amino-4-aryl-4H-chromene-3-carbonitriles utilizing Vilsmeier conditions.