3-(Diethylamino)-7-oxo-7H-[1]benzopyrano[3′,2′:3,4]pyrido[1,2-a]benzimidazole-6-carbonitrile
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![3-(Diethylamino)-7-oxo-7H-[1]benzopyrano[3′,2′:3,4]pyrido[1,2-a]benzimidazole-6-carbonitrile structure](https://file.echemi.com/fileManage/upload/canonicalSmiles/20220811/55e2826c05fa4e85aaffacaccdb19727.png "3-(Diethylamino)-7-oxo-7H-[1]benzopyrano[3′,2′:3,4]pyrido[1,2-a]benzimidazole-6-carbonitrile")
3-(Diethylamino)-7-oxo-7H-[1]benzopyrano[3′,2′:3,4]pyrido[1,2-a]benzimidazole-6-carbonitrile
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CAS No:
52372-36-8
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Formula:
C23H18N4O2
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Chemical Name:
3-(Diethylamino)-7-oxo-7H-[1]benzopyrano[3′,2′:3,4]pyrido[1,2-a]benzimidazole-6-carbonitrile
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Synonyms:
7H-[1]Benzopyrano[3′,2′:3,4]pyrido[1,2-a]benzimidazole-6-carbonitrile,3-(diethylamino)-7-oxo-;3-(Diethylamino)-7-oxo-7H-[1]benzopyrano[3′,2′:3,4]pyrido[1,2-a]benzimidazole-6-carbonitrile;Solvent Red 196;C.I. 505700;C.I. Solvent Red 196;Day-Glo Scioto Red;3-(Diethylamino)-7-oxo-7H-benzo[4,5]imidazo[1,2-a]chromeno[3,2-c]pyridine-6-carbonitrile;SR 196
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CAS No:
3-(Diethylamino)-7-oxo-7H-[1]benzopyrano[3′,2′:3,4]pyrido[1,2-a]benzimidazole-6-carbonitrile Basic Attributes
382.41462
382.41
257-884-8
DTXSID4068749
3-(Diethylamino)-7-oxo-7H-[1]benzopyrano[3′,2′:3,4]pyrido[1,2-a]benzimidazole-6-carbonitrile Use and Manufacturing
Using 4-diethylamino salicylaldehyde, 2-cyanomethyl benzimidazole, methyl cyanoacetate as raw materials. Firstly, 4-diethylaminosalicylic aldehyde and 2-cyanomethylbenzimidazole are condensed in DMF solvent, and then reacted with methyl cyanoacetate to obtain the product. After post-treatment and drying, the finished product is obtained. Or reflux C.I.Solvent Red 197 with hydrochloric acid to obtain the product. Or (C.I.solvent ned 197). Add 11.4 g of C.I. Solvent Red 197 and 200 mL of concentrated hydrochloric acid to the reaction flask, and reflux at 100-103°C for 2.5 hours to measure the end of the reaction. After the reaction, add 500g of ice, neutralize with 50% NaOH solution to pH=7.5, filter, wash with water, and dry to obtain red dye.
Fluorescent Red BK is used for coloring polystyrene, polyvinyl chloride and polycarbonate plastics. Suitable for light-colored transparent color.
Fabric, textile, and leather products not covered elsewhere
< 25,000 lb
7H-[1]Benzopyrano[3',2':3,4]pyrido[1,2-a]benzimidazole-6-carbonitrile, 3-(diethylamino)-7-oxo-: ACTIVE|PMN - indicates a commenced PMN (Pre-Manufacture Notices) substance.
Computed Properties
Molecular Weight:382.4
XLogP3:3.7
Hydrogen Bond Acceptor Count:5
Rotatable Bond Count:3
Exact Mass:382.14297583
Monoisotopic Mass:382.14297583
Topological Polar Surface Area:71.2
Heavy Atom Count:29
Complexity:805
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes
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3-(Diethylamino)-7-oxo-7H-[1]benzopyrano[3′,2′:3,4]pyrido[1,2-a]benzimidazole-6-carbonitrile
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