PHENPROCOUMON

Product NamePHENPROCOUMON

CAS435-97-2

CBNumberCB1295890

MFC18H16O3

MW280.32

EINECS207-108-9

MOL File435-97-2.mol

Chemical Properties

Melting point	179-180°
Boiling point	463.2±45.0 °C(Predicted)
Density	1.261±0.06 g/cm3(Predicted)
storage temp.	2-8°C
solubility	Chloroform (Slightly), Methanol (Slightly)
pka	4.50±1.00(Predicted)
form	Solid
color	White to Off-White
EWG's Food Scores	1
FDA UNII	Q08SIO485D
Proposition 65 List	Phenprocoumon
NCI Drug Dictionary	Liquamar
ATC code	B01AA04
EPA Substance Registry System	Phenprocoumon (435-97-2)

Safety

RIDADR	2811
HazardClass	6.1(b)
PackingGroup	III
Hazardous Substances Data	435-97-2(Hazardous Substances Data)

PHENPROCOUMON Price

Product number	Packaging	Price	Buy
TRC P318820	100mg	$95	Buy
Usbiological 165912	1g	$460	Buy
TRC P318820	1g	$775	Buy
TRC P318820	500mg	$425	Buy
American Custom Chemicals Corporation API0003816	1G	$450	Buy

PHENPROCOUMON Chemical Properties,Usage,Production

Chemical Properties
White Solid
Originator
Liquamar ,Organon ,US,1958
Uses
Phenprocoumon is known for being an oral anti-coagulant.
Definition
ChEBI: A hydroxycoumarin that is 4-hydroxycoumarin which is substituted at position 3 by a 1-phenylpropyl group.
Manufacturing Process
8.3 parts by weight of powdered sodium in 300 parts by volume of benzene, 100 parts by weight of diethyl (1'-phenylpropyl)-malonate and 72 parts by weight of acetylsalicylic acid chloride are reacted together to form diethyl 1(o-acetoxybenzoy1)-1-(1'-phenylpropyl)malonate, which boils at 195°198°C/0.03 mm Hg.
10.3 parts of weight of diethyl 1-(o-acetoxybenzoyl)-1-(1'-phenylpropyl)malonate are dissolved in 60 parts by volume of absolute ether and to this solution are added portion. wise at 10°C, while stirring, 2.6 parts by weight of sodium methylate. The reaction mixture is stirred for 4 hours, whereupon it is poured into ice water. The ether solution is washed neutral with ice water. After having distilled off the ether, a thick oil consisting of 3-carbethoxy-3-(1'phenylpropyl)-4-oxo-dihydrocoumarinis obtained. This compound crystallized in butyl oxide and has a MP of 108°-109°C.
The 3-carbethoxy-3-(1'-phenylpropyl)-4-oxo-dihydrocoumarinmay be hydrolyzed and decarboxylated as follows. The crude product is heated to 85°C for 1/2 hour with 100 parts by volume of 5% aqueous sodium hydroxide, while agitating or stirring. To remove traces of undissolved oil, the cooled solution is treated with 1 part by weight of charcoal, whereupon it is filtrated and acidified to Congo reaction with dilute sulfuric acid. The 3-(1'phenylpropyl)-4-hydroxycoumarin formed is separated off and recrystallized in 80% ethanol, whereupon it melts at 178°-179°C according to US Patent 2,701,804.
brand name
Liquamar (Organon).
Therapeutic Function
Anticoagulant
Chemical Synthesis
Phenprocoumon, 3-(α-ethylbenzyl)-4-hydroxycoumarin (24.1.14), is synthesized by acylating sodium salts of diethyl ester (1-phenylpropyl)butyric acid with acetylsalicylic acid chloride, which forms the compound 24.1.12, which upon reaction with sodium ethoxide cyclizes to 3-(α-ethylbenzyl)-2-carboethoxy-4-hydroxycoumarin (24.1.13). Alkaline hydrolysis of this product and further decarboxylation gives phenprocoumon(24.1.14).

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