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
InChIKey DMOOPGGQWWPLSI-UHFFFAOYSA-N
SMILES O=c1oc2ccccc2c(O)c1C=Nc1ccccc1

 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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