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Heterocycles

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CAS No.: 55804-65-4
IUPAC Name: 11- Oxo- 2, 3, 6, 7- tetrahydro- 1H, 5H, 11H- pyrano[ 2, 3- f] pyrido[ 3, 2, 1- ij] quinoline- 10- carboxylic acid
Synonyms: Coumarin 519;
Coumarin 343
Formula: C16H15O4N
Molecular weight: 285.3
λmax, nm: 443.0
Listed in categories: Carboxylic acids
Heterocycles
Dyes and Intermediates

Heterocycles

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CAS No.: 63149-33-7
IUPAC Name: 8- Hydroxy- 2, 3, 6, 7- tetrahydro- 1H, 5H- pyrido[ 3, 2, 1- ij] quinoline- 9- carbaldehyde
Synonyms: 9- Formyl- 8- hydroxyjulolidine
Formula: C13H15NO2
Molecular weight: 217.27
Melting point, °C: 70-72 C (ref. 2)

Heterocycles

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CAS No.: 55804-67-6
IUPAC Name: 10- Acetyl- 2, 3, 6, 7- tetrahydro- 1H, 5H, 11H- pyrano[ 2, 3- f] pyrido[ 3, 2, 1- ij] quinolin- 11- one
Synonyms: Coumarin 334;
C 334;
1H, 5H, 11H-[ 1] Benzopyrano[ 6, 7, 8- ij] quinolizin- 11- one, 10- acetyl- 2, 3, 6, 7- tetrahydro- ( 9CI) ;
Coumarin 521
Formula: C17H17O3N
Molecular weight: 283.33
λmax, nm: 452.0
Listed in categories: Aldehydes and Ketones
Heterocycles
Dyes and Intermediates

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