chinoin 123

CAS No.
64405-40-9
Chemical Name:
chinoin 123
Synonyms
chinoin 123;4H-Pyrido[1,2-a]pyrimidine-9-acetic acid, 3-(ethoxycarbonyl)-6,7,8,9-tetrahydro-6-methyl-4-oxo-;2-(3-(Ethoxycarbonyl)-6-methyl-4-oxo-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-9-yl)acetic acid
CBNumber:
CB01377097
Molecular Formula:
C14H18N2O5
Molecular Weight:
294.3
MDL Number:
MOL File:
64405-40-9.mol

chinoin 123 Properties

Melting point 154-155 °C(Solv: ethanol (64-17-5))
Boiling point 472.0±55.0 °C(Predicted)
Density 1.39±0.1 g/cm3(Predicted)
pka 4.45±0.10(Predicted)

chinoin 123 Chemical Properties,Uses,Production

Originator

Acitemate ,Onbio Inc.

Manufacturing Process

23.6 g of 3-ethoxycarbonyl-7-methyl-4-oxo-6,7,8,9-tetrahydro-4Hpyrido[ 1,2a]pyrimidine and 10.0 g of glyoxylic acid monohydrate are reacted and the obtained 3-ethoxycarbonyl-7-methyl-9-carboxy(hydroxymethyl)-4- oxo-6,7,8,9-tetrahydro-4H-pyrido[1,2a]pyrimidine is heated in 150 ml ethanol under stirring for 3 h. After cooling the crystals are filtered off and recrystallized from ethanol. Thus 3-ethoxycarbonyl-7-methyl-9- (carboxymethylene)-4-oxo-6,7,8,9-tetrahydro-4H-pyrido[1,2a]pyrimidine melting point 110°-112°C, is obtained (yield: 51%).
55.6 g of 3-ethoxycarbonyl-9-(carboxymethylene)-4-oxo-6,7,8,9-tetrahydro- 4H-pyrido[1,2a]pyrimidine are hydrogenated in 500 ml of ethanol in the presence of 20.0 g of 9% by weight Pd/C catalyst containing metal. When 1 mole of hydrogen has been used up, the catalyst is removed from the reaction mixture by filtration and the solution is evaporated under reduced pressure. The 3-ethoxycarbonyl-4-oxo-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidine-9- acetic acid is obtained (yield: 57%), melting point 156°-157°C (recrystallized from ethanol).

Therapeutic Function

Platelet aggregation inhibitor, Antihyperlipidemic

chinoin 123 Preparation Products And Raw materials

Raw materials

Preparation Products

chinoin 123 Suppliers

Global( 2)Suppliers
Supplier Tel Email Country ProdList Advantage
Hangzhou MolCore BioPharmatech Co.,Ltd.
+86-057181025280; +8617767106207 sales@molcore.com China 49739 58
TargetMol Chemicals Inc. 4008200310 marketing@tsbiochem.com China 24131 58
chinoin 123 4H-Pyrido[1,2-a]pyrimidine-9-acetic acid, 3-(ethoxycarbonyl)-6,7,8,9-tetrahydro-6-methyl-4-oxo- 2-(3-(Ethoxycarbonyl)-6-methyl-4-oxo-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-9-yl)acetic acid 64405-40-9