13460-98-5 Usage
Originator
Theodrenaline,ZYF Pharm Chemical
Manufacturing Process
A solution of 27 g of ω-chloroacetopyrocatechol in 150 ml of ethyl alcohol is
added dropwise within 2 hours into a stirred and refluxed solution of 81 g of
7-(β-aminoethyl)theophylline in 200 ml of a 60% aqueous ethyl alcohol.
Following this, boiling is continued for another 3.5 hours while passing
through nitrogen, and the precipitated product is separated by suction
filtration, washed with water and dried. The product is suspended in alcohol,
admixed with alcoholic hydrochloric acid while heating until an acid reaction is
observed and subjected to suction filtration after cooling. Obtained in this
manner are 37 g of 7-[β-(β'-3,4-dihydroxyphenyl-β'-
oxoethylamino)ethyl]theophylline hydrochloride having a melting point of 246-
249°C. To obtain an analytically pure product, the hydrochloride is dissolved in
water and precipitated with acetone.7.1 g of 7-[β-(β'-3,4-dihydroxyphenyl-β'-oxoethylamino)ethyl]theophylline
hydrochloride are dissolved in 500 ml of distilled water and hydrogenated at
48°C in the presence of 1 g of platinum oxide. When no further hydrogen is
absorbed after about 5 hours, the mixture is evaporated to dryness in vacuo.
Purification is effected by taking up in methyl alcohol and mixing with ethyl
acetate. Theodrenaline which has crystallized after several days is separated by suction
filtration and dried in a desiccator. A product having a melting point of 176-
178°C is obtained in amount of 6.1 g.
Therapeutic Function
Analeptic
Biological Activity
Theodrenaline is a cardiotonic agent that is also often mixed with cafedrine in a proportion to form Akrinor, which has blood pressure-lowering effects.
in vitro
Akrinor evokes a positive inotropic effect in human atrial trabeculae via stimulation of β-adrenoceptors (AR).
in vivo
Akrinor TM produces significant potentiation of FSK effects, conceivable by PDE-inhibition, only at very high, clinically irrelevant concentrations of 420 mg/L.
Check Digit Verification of cas no
The CAS Registry Mumber 13460-98-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,4,6 and 0 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 13460-98:
(7*1)+(6*3)+(5*4)+(4*6)+(3*0)+(2*9)+(1*8)=95
95 % 10 = 5
So 13460-98-5 is a valid CAS Registry Number.
InChI:InChI=1/C17H21N5O5/c1-20-15-14(16(26)21(2)17(20)27)22(9-19-15)6-5-18-8-13(25)10-3-4-11(23)12(24)7-10/h3-4,7,9,13,18,23-25H,5-6,8H2,1-2H3
13460-98-5Relevant articles and documents
Process for the production of basic substituted alkyl theophylline
-
, (2008/06/13)
Basic substituted alkyl theophylline derivatives of the formula STR1 in which Alk is a straight or branched chain alkylene group with 2 to 4 carbon atoms and R is hydrogen or a methyl group are produced by catalytic hydrogenation of compounds of the formula STR2 where the phenolic hydroxyl groups and/or the secondary basic nitrogen atom can contain protective groups using as the solvent a compound of the formula STR3 where R', R" and R'" are the same or different and are alkyl groups of 1 to 2 carbon atoms and R' together with R'" can also be an alkylene bridge with 3 to 4 carbon atoms and in a given case the protective groups present are split off.