4H-PYRIDO[1,2-A]PYRIMIDIN-4-ONE

Modify Date: 2025-08-26 19:36:32

4H-PYRIDO[1,2-A]PYRIMIDIN-4-ONE Structure
4H-PYRIDO[1,2-A]PYRIMIDIN-4-ONE structure
 Common Name 4H-PYRIDO[1,2-A]PYRIMIDIN-4-ONE
CAS Number 23443-10-9 Molecular Weight 146.14600
Density N/A Boiling Point N/A
Molecular Formula C8H6N2O Melting Point N/A
MSDS N/A Flash Point N/A

 Names

Name 4H-Pyrido[1,2-a]pyrimidin-4-one
Synonym More Synonyms

 Chemical & Physical Properties

Molecular Formula C8H6N2O
Molecular Weight 146.14600
Exact Mass 146.04800
PSA 34.37000
LogP 0.69450
Storage condition Store at room temperature

 Safety Information

HS Code 2933990090

 Synthetic Route

isopropylidene (2-pyridylamino)methylenemalonate structure

isopropylidene ...

CAS#:25063-57-4

~91%

4H-PYRIDO[1,2-A]PYRIMIDIN-4-ONE Structure

4H-PYRIDO[1,2-A...

CAS#:23443-10-9

Literature: Lengyel, Laszlo; Nagy, Tibor Zs.; Sipos, Gellert; Jones, Richard; Dorman, Gyoergy; Uerge, Laszlo; Darvas, Ferenc Tetrahedron Letters, 2012 , vol. 53, # 7 p. 738 - 743
4H-Pyrido[1,2-a]pyrimidine-3-carboxylicacid, 4-oxo-, ethyl ester structure

4H-Pyrido[1,2-a...

CAS#:32092-18-5

~%

4H-PYRIDO[1,2-A]PYRIMIDIN-4-ONE Structure

4H-PYRIDO[1,2-A...

CAS#:23443-10-9

Literature: Adams; Pachter Journal of the American Chemical Society, 1952 , vol. 74, p. 5491,5495 Journal of the American Chemical Society, 1953 , vol. 75, p. 6357
diethyl 2-[(pyridin-2-ylamino)methylidene]propanedioate structure

diethyl 2-[(pyr...

CAS#:39080-52-9

~%

4H-PYRIDO[1,2-A]PYRIMIDIN-4-ONE Structure

4H-PYRIDO[1,2-A...

CAS#:23443-10-9

Literature: Adams; Pachter Journal of the American Chemical Society, 1952 , vol. 74, p. 5491,5495 Journal of the American Chemical Society, 1953 , vol. 75, p. 6357
2-Aminopyridine structure

2-Aminopyridine

CAS#:504-29-0

~%

4H-PYRIDO[1,2-A]PYRIMIDIN-4-ONE Structure

4H-PYRIDO[1,2-A...

CAS#:23443-10-9

Literature: Cassis, Raul; Tapia, Ricardo; Valderrama, Jaime A. Synthetic Communications, 1985 , vol. 15, # 2 p. 125 - 134
8-hydrazinyl-1,7-diazabicyclo[4.4.0]deca-2,4,6,8-tetraen-10-one structure

8-hydrazinyl-1,...

CAS#:55395-30-7

~%

4H-PYRIDO[1,2-A]PYRIMIDIN-4-ONE Structure

4H-PYRIDO[1,2-A...

CAS#:23443-10-9

Literature: Oakes; Rydon Journal of the Chemical Society, 1958 , p. 209
2-Chloro-4H-pyrido[1,2-a]pyrimidin-4-one structure

2-Chloro-4H-pyr...

CAS#:5418-94-0

~%

4H-PYRIDO[1,2-A]PYRIMIDIN-4-ONE Structure

4H-PYRIDO[1,2-A...

CAS#:23443-10-9

Literature: Oakes; Rydon Journal of the Chemical Society, 1958 , p. 209
2H-Pyrido[1,2-a]pyrimidine-2,4(3H)-dione structure

2H-Pyrido[1,2-a...

CAS#:22288-66-0

~%

4H-PYRIDO[1,2-A]PYRIMIDIN-4-ONE Structure

4H-PYRIDO[1,2-A...

CAS#:23443-10-9

Literature: Oakes; Rydon Journal of the Chemical Society, 1958 , p. 209
ketene structure

ketene

CAS#:463-51-4

ethyl N-pyridin-2-ylmethanimidate structure

ethyl N-pyridin...

CAS#:99790-41-7

~59%

2-(FORMYLAMINO)PYRIDINE structure

2-(FORMYLAMINO)...

CAS#:34813-97-3

4H-PYRIDO[1,2-A]PYRIMIDIN-4-ONE Structure

4H-PYRIDO[1,2-A...

CAS#:23443-10-9

Literature: Katagiri, Nobuya; Niwa, Ryuji; Kato, Tetsuzo Heterocycles, 1983 , vol. 20, # 4 p. 597 - 600

 Customs

HS Code 2933990090
Summary 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

MFCD07434961
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