3-(anilinomethylidene)chroman-2,4-dione

Modify Date: 2025-08-25 15:22:52

3-(anilinomethylidene)chroman-2,4-dione Structure
3-(anilinomethylidene)chroman-2,4-dione structure
 Common Name 3-(anilinomethylidene)chroman-2,4-dione
CAS Number 52281-05-7 Molecular Weight 265.26300
Density 1.434g/cm3 Boiling Point 438.5ºC at 760 mmHg
Molecular Formula C16H11NO3 Melting Point N/A
MSDS N/A Flash Point 219ºC

 Names

Name 3-(anilinomethylidene)chromene-2,4-dione

 Chemical & Physical Properties

Density 1.434g/cm3
Boiling Point 438.5ºC at 760 mmHg
Molecular Formula C16H11NO3
Molecular Weight 265.26300
Flash Point 219ºC
Exact Mass 265.07400
PSA 55.40000
LogP 2.85730
Index of Refraction 1.755

 Safety Information

HS Code 2932999099

 Synthetic Route

3-Ureidomethylen-[2H,4H]-[b]benzopyran-2,4-dion structure

3-Ureidomethyle...

CAS#:73754-71-9

structure

CAS#:74497-02-2

~88%

3-(anilinomethylidene)chroman-2,4-dione Structure

3-(anilinomethy...

CAS#:52281-05-7

Literature: Hamdi, Maamar; Granier, Patrick; Sakellariou, Reine; Speziale Vincent Journal of Heterocyclic Chemistry, 1993 , vol. 30, # 4 p. 1155 - 1158
Dimethyl but-2-ynedioate structure

Dimethyl but-2-...

CAS#:762-42-5

2-[(4-oxochromen-3-yl)methylideneamino]phenolate structure

2-[(4-oxochrome...

CAS#:113326-75-3

~0%

3-(anilinomethylidene)chroman-2,4-dione Structure

3-(anilinomethy...

CAS#:52281-05-7

dimethyl 10-oxo-2-phenyl-3,10-dihydro-2H-chromeno[3,2-c]pyridine-3,4-dicarboxylate structure

dimethyl 10-oxo...

CAS#:1369903-38-7

Detail
Literature: Wittstein, Kathrin; Garcia, Ana B.; Schuermann, Markus; Kumar, Kamal Synlett, 2012 , # 2 p. 227 - 232
4-Hydroxycoumarin structure

4-Hydroxycoumarin

CAS#:1076-38-6

Triethyl orthoformate structure

Triethyl orthof...

CAS#:122-51-0

structure

CAS#:74497-02-2

~91%

3-(anilinomethylidene)chroman-2,4-dione Structure

3-(anilinomethy...

CAS#:52281-05-7

Literature: Hamdi, Maamar; Granier, Patrick; Sakellariou, Reine; Speziale Vincent Journal of Heterocyclic Chemistry, 1993 , vol. 30, # 4 p. 1155 - 1158
4-Hydroxycoumarin structure

4-Hydroxycoumarin

CAS#:1076-38-6

Triethyl orthoformate structure

Triethyl orthof...

CAS#:122-51-0

Phenylhydrazine structure

Phenylhydrazine

CAS#:100-63-0

~38%

3-(anilinomethylidene)chroman-2,4-dione Structure

3-(anilinomethy...

CAS#:52281-05-7

Literature: Junek, H.; Reidlinger, C. Monatshefte fuer Chemie, 1995 , vol. 126, # 5 p. 579 - 586
4-chloro-3-dichloromethyl-2-N-phenyliminocoumarin structure

4-chloro-3-dich...

CAS#:1535170-91-2

~6%

3-(anilinomethylidene)chroman-2,4-dione Structure

3-(anilinomethy...

CAS#:52281-05-7

4-chloro-3-(dichloromethyl)coumarin structure

4-chloro-3-(dic...

CAS#:1535170-95-6

Literature: Maiti, Sourav; Biswas, Pritam; Ghosh, Jaydip; Bandyopadhyay, Chandrakanta Journal of the Indian Chemical Society, 2013 , vol. 90, # 10 p. 1617 - 1623
2-anilino-4-oxochromene-3-carbaldehyde structure

2-anilino-4-oxo...

CAS#:213273-03-1

~%

3-(anilinomethylidene)chroman-2,4-dione Structure

3-(anilinomethy...

CAS#:52281-05-7

Literature: Maiti, Sourav; Biswas, Pritam; Ghosh, Jaydip; Bandyopadhyay, Chandrakanta Journal of the Indian Chemical Society, 2013 , vol. 90, # 10 p. 1617 - 1623

 Customs

HS Code 2932999099
Summary 2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%
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