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Coumarin 6H

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Origin: China

Cas No: 58336-35-9

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 100 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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CAS No.: 58336-35-9 Formula: C15H15NO2 Molecular Weight: 241.28500

Basic Info

Chemical Name	Coumarin 6H
Synonyms	C 6H; 2,3,6,7-tetrahydro-1H,5H-quinolizino<9,9a,1-gh>coumarin; 2,3,6,7-tetrahydro-1H,5H,11H-benzopyrano<6,7,8-i,j>quinolizin-11-one; Exciton LD 490; 2,3,5,6-1H,4H-tetrahydroquinolizino[9,9a,1-gh]coumarin; coumarin-6H; 2,3,6,7-Tetrahydro-1H,5H,11H-(1)benzopyrano(6,7,8-ij)-quinolizin-11-one; EINECS 261-213-4; LD 490; 2,3,6,7-tetrahydro-1H,5H,11H-pyrano[2,3-f]pyrido[3,2,1-ij]quinolin-11-one; 2,3,5,6-Tetrahydro-1H,4H-11-oxa-3a-aza-benzo[de]anthracen-10-one;
CAS No.	58336-35-9
Molecular Formula	C15H15NO2
Molecular Weight	241.28500
PSA	33.45000
LogP	2.55680

Properties

Density	1.32g/cm3
Boiling Point	486.3ºC at 760 mmHg
Flash Point	201ºC
Refractive Index	1.665

Synthesis Route

8-HYDROXYJULOLIDINE-9-ALDEHYDE+(2-methoxy-2-oxoethyl)-triphenylphosphanium,bromide→Coumarin 6H
8-HYDROXYJULOLIDINE-9-ALDEHYDE+(Carbethoxymethylene)triphenylphosphorane→(E)-3-(8-hydroxy-2,3,6,7-tetrahydro-1H,5H-pyrido(3,2,1-ij)quinolin-9-yl)-acrylic acid ethyl ester+Coumarin 6H
8-HYDROXYJULOLIDINE-9-ALDEHYDE+Diethyl malonate→Coumarin 6H

Precursor

coumarin 504
Diethyl malonate
(2-methoxy-2-oxoethyl)-triphenylphosphanium,bromide
8-HYDROXYJULOLIDINE-9-ALDEHYDE

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