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Class 544/258 - Nitrogen bonded directly to the pteridine ring system


Subclass of Class 544 - Organic compounds -- part of the class 532-570 series
Definition: Compounds wherein nitrogen is bonded directly to the pteridine
No. of patents: 164
Last issue date: 05/15/2012


1          
NumberTitleIssue Date
8178670Method of synthesizing tetrahydrobiopterin
The present disclosure provides a method that efficiently produces (6R)-tetrahydrobiopterin of Formula I in high yield and purity. The method includes the step of hydrolyzing diacetylbiopterin to biopterin under basic conditions in a biphasic mixture comprising an o...
05/15/2012
8044200Synthesis and purification of pteroic acid and conjugates thereof
Methods for purifying pteroic acid, analogs of pteroic acid, and derivatives of pteroic acid are described. Methods for synthesizing and purifying conjugates of vitamins, including FITC conjugates of folic acid, folic acid analogs, and derivatives of folic acid and ...
10/25/2011
7816525Process for the preparation of optically pure tetrahydropterins and derivatives, and specifically of optically pure tetrahydrofolic acid and derivatives thereof, by stereospecific hydrogenation
Process for the preparation of tetrahydropterin and tetrahydropterin derivatives by hydrogenating pterin and pterin derivatives with hydrogen in the presence of a hydrogenating catalyst, in which the hydrogenation is carried out in a polar reaction medium and metal ...
10/19/2010
7807831Dihydropteridione derivatives, process for their manufacture and their use as medicament
Disclosed are new dihydropteridinones of the formula (I) wherein the groups L, R1, R2, R3, R4 and R5 have the meanings provided herein, the isomers thereof, processes f...
10/05/2010
7786299Methods for treating diseases or conditions using dihydropteridinone compounds
Disclosed are new dihydropteridinones of general formula (I) wherein the groups L and R1-R5 have the meanings given in the claims and specification, the isomers thereof, intermediates and processes for...
08/31/2010
7728134Hydrates and polymorphs of 4[[(7R)-8-cyclopentyl-7-ethyl-5,6,7,8-tetrahydro-5-methyl-6-oxo-2-pteridinyl]amino]-3-methoxy-N-(1-methyl-4-piperidinyl)-benzamide, process for their manufacture and their use as medicament
Disclosed are hydrates and polymorphs of 4-[[(7R)-8-cyclopentyl-7-ethyl-5,6,7,8-tetrahydro-5-methyl-6-oxo-2-pteridinyl]Amino]-3-methoxy-N-(1-methyl-4-piperidinyl)-benzamide: processes for preparing them and their use as pha...
06/01/2010
7723517Dihydropteridione derivatives, process for their manufacture and their use as medicament
Disclosed are new dihydropteridinones of the formula (I) wherein the groups L, R1, R2, R3, R4 and R5 have the meanings provided herein, the isomers thereof, processes f...
05/25/2010
7629460Dihydropteridione derivatives, process for their manufacture and their use as medicament
Disclosed are new dihydropteridinones of the formula (I) wherein the groups L, R1, R2, R3, R4 and R5 have the meanings provided herein, the isomers thereof, processes f...
12/08/2009
7501513Immunosuppressive effects of pteridine derivatives
This invention relates to a group of trisubstituted and tetrasubstituted pteridine derivatives, their pharmaceutically acceptable salts, N-oxides, solvates, dihydro- and tetrahydro-derivatives and enantiomers, possessing unexpectedly desirable pharmaceutical propert...
03/10/2009
7439358Specific salt, anhydrous and crystalline form of a dihydropteridione derivative
The present invention relates to a specific salt of a dihydropteridione derivative, namely the trihydrochloride salt of the compound N-[trans-4-[4-(cyclopropylmethyl)-1-piperazinyl]cyclohexyl]-4-[[(7R)-7-ethyl-5,6,7,8-tetrahydro-5-methyl-8-(1-methylethyl)-6-oxo-2-pt...
10/21/2008
7423038Compounds and compositions as protein kinase inhibitors
The invention provides a novel class of compounds, pharmaceutical compositions comprising such compounds and methods of using such compounds to treat or prevent diseases or disorders associated with abnormal or deregulated kinase activity, particularly diseases or d...
09/09/2008
7414053Dihydropteridione derivatives, process for their manufacture and their use as medicament
Disclosed are new dihydropteridinones of the formula (I) wherein the groups L, R1, R2, R3, R4 and R5 have the meanings provided herein, the isomers thereof, processes f...
08/19/2008
7371753Dihydropteridinones, processes for preparing them and their use as pharmaceutical compositions
Disclosed are new dihydropteridinones of general formula (I) wherein the groups R1 to R5, Ra to Rc, W, Q1 and Q2 have the meanings given in the claims and sp...
05/13/2008
7332491Dihydropteridione derivatives, process for their manufacture and their use as medicament
Disclosed are new dihydropteridinones of general formula (I) whereby the groups L, R1, R2, R3, R4 and R5 have the meanings given in the claims and specificat...
02/19/2008
7276506Immunosuppressive effects of pteridine derivatives
This invention relates to a group of trisubstituted and tetrasubstituted pteridine derivatives, having the formula: wherein X represents an oxygen atom or a group with the formula NZ and wherein: R1 C
10/02/2007
72418896-formyl-tetrahydropteridines, process for their manufacture and use thereof as medicaments
Disclosed are 6-formyl-tetrahydropteridines of the formula (I) wherein the groups R1 to R6 have the meanings given in the claims and specification, the isomers thereof, methods of preparing ...
07/10/2007
7232824Quinazoline derivatives as medicaments
Quinazoline derivatives have the formula: or the pharmaceutically acceptable salts thereof; wherein each of Z5, Z6, Z7 and Z8 ...
06/19/2007
7193082(6S)-5,6,7,8-tetrahydrofolic acid production process
New process for the production of (6S)-5,6,7,8-tetrahydrofolic acid or derivatives thereof starting from the corresponding (6S, 6R) racemic mixture. The procedure comprises in the steps of adding an organic acid to a non-alkaline suspension of (6S,6R)-5,6,7,8-tetray...
03/20/2007
7169778Pteridinones as kinase inhibitors
Disclosed are compounds of Formulae (Ia), (Ib), (Ic), (Id) wherein: W is NH, S, SO, or SO2; R2 is (un)substituted aryl, (un)substituted heteroaryl, or (un)substituted carbocycle or heterocycle; Q is hydrogen or lower alkyl; R4 and R
01/30/2007
7126001Class of cytodifferentiating agents and histone deacetylase inhibitors, and methods of use thereof
The present invention provides the compound having the formula: wherein each of R1 and R2 is, substituted or unsubstituted, aryl, cycloalkyl, cycloalkylamino, naphtha, pyridineamino, piperid...
10/24/2006
7115739Triazole compounds useful as protein kinase inhibitors
This invention describes novel triazole compounds of formula IX: wherein Z1 is nitrogen or CR9 and Z2 is nitrogen or CH, provided that at least one of Z1 and Z2
10/03/2006
7098216Thiazolopyrimidines useful as TNFα inhibitors
The invention provides derivatives of thiazolo[4,5-d1]pyrimidine and their use as inhibitors of proinflammatory cytokines. ...
08/29/2006
7067659Reactive oxygen generating enzyme inhibitor with nitric oxide bioactivity and uses thereof
A reactive oxygen generating enzyme inhibitor with NO donor bioactivity, e.g., nitrated allopurinol, e.g., 1,5-bis(3-nitrooxypropyyl)-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidine-4-one is useful to treat heart failure, stable angina, ischemic disorder, ischemic reperfus...
06/27/2006
6949643Thiazolopytimidines and their use as modulators of chemokine receptor activity
The invention provides certain thiazolopyrimidine compounds of formula (I) or a pharmaceutically acceptable salt or solvate thereof: in which: A is a group of formula (a) or (b): processes and intermediates used in their preparation, pharmaceutical compositions cont...
09/27/2005
6930101Thiazolopyrimidines useful as TNFα inhibitors
The invention provides derivatives of thiazolo[4,5-dl]pyrimidine and their use as inhibitors of proinflammatory cytokines. ...
08/16/2005
6906070Guanidine mimics as factor Xa inhibitors
The present application describes nitrogen containing heteroaromatics and derivatives thereof of formula I: or pharmaceutically acceptable salt forms thereof, wherein rings D-E represent guanidine mimics, which are use...
06/14/2005
6875868Pteridine compounds for the treatment of psoriasis
The invention provides pteridine compounds of formula (I), processes and intermediates used in their preparation, pharmaceutical compositions containing them and their use in therapy. Formula (I) in which A is a group of formula (a) or (b). ...
04/05/2005
6861422Dihydropteridinones, processes for preparing them and their use as pharmaceutical compositions
The present invention relates to new dihydropteridinones of general formula (I): wherein the groups L and R1-R5 have the meanings given in the claims and specification, the isomers thereof, proces...
03/01/2005
6858731Process for the preparation of pure stereoisomers of tetrahydrofolic acid esters salts and tetrahydrofolic acid by fractionated crystallization of tetrahydrofolic acid esters salts
A process for preparing and concentrating (6S,αS) or (6S,αR) tetrahydrofolic acid ester salts and (6S,αS) or (6S,αR) tetrahydrofolic acid, characterized by preparing or dissolving equimolar or concentrated mixtures of diastereomers of addition salts of tetrahydr...
02/22/2005
6858612Use of tetrahydropteridine derivatives as no synthase inhibitors
The present invention relates to the use of pteridine derivatives of the formula I in which X is O or NH and R4, for example, is hydrogen, phenyl or the radical R4a—CH2— and R4...
02/22/2005
6849628Optically active compounds
The present invention relates to the preparation of substantially pure diastereoisomers of derivatives of tetrahydrofolate and the use of such diastereoisomers. More particularly the present invention provides a process for the preparation of a desired substantially...
02/01/2005
6787650Urea compounds, process for producing the same and use thereof
A compound of the formula: [wherein R1 is a hydrocarbon group which may be substituted; R2 is a cyclic hydrocarbon group which may be substituted or a heterocyclic group which may be substitu...
09/07/2004
6784174Pyridine and pyrimidine derivatives and their use as inhibitors of cytokine mediated disease
This invention concerns a bicyclic compound of Formula (I), wherein: G is N, CH or C(CN); ring X is a 5- or 6-membered fused heteroaryl ring which contains 1, 2, or 3 heteroatoms selected from oxygen, sulphur and nitrogen; m is 0-2; R1 is a group such as ...
08/31/2004
6747016Substituted purine derivatives as inhibitors of cell adhesion
The present invention relates to compounds of formula (I), in which B, D, E, G, X, Y, Z, R1, R2 and s have the meanings indicated in the claims, their physiologically tolerable salts and their prodrugs. The compounds of formula (I) are valuable...
06/08/2004
6740654Squaric acid derivatives
Squaric acid derivatives of formula (1) are described: wherein Het is an optionally substituted bicyclic fused ring heteroaromatic group; L2 is a covalent bond or an atom or group —O—, —Sâ€...
05/25/2004
6720304Conjugate comprising a folic acid antagonist and a carrier
The invention relates to conjugates comprising a D-enantiomer of a folic acid antagonist and a carrier. Furthermore, the invention relates to the production of such conjugates as well as their use. ...
04/13/2004
6596721Stable crystalline (6R) -tetrahydrofolic acid
Pure and extremely stable crystalline (6R)-tetrahydrofolic acids, absolutely inert even when exposed to air and elevated temperature without stabilizers being added, are prepared by a crystallization process at a pH of ࣙ2....
07/22/2003
6521620Bicyclic compounds capable of inhibiting tyrosine kinases of the epidermal growth factor receptor family
Described are heterocyclic pyrimidine derivatives and a method of inhibiting epidermal growth factor by treating, with an effective inhibiting amount, a mammal, in need thereof, a compound of the formula: ##STR1## where: at least two of A-E are nitrogen, ...
02/18/2003
6511990Class of cytodifferentiating agents and histone deacetylase inhibitors, and methods of use thereof
The present invention provides the compound having the formula: ##STR1## wherein each of R1 and R2 is, substituted or unsubstituted, aryl, cycloalkyl, cycloalkylamino, naphtha, pyridineamino, piperidino, t-butyl, aryloxy, arylalkylox...
01/28/2003
6500829Substantially pure diastereoisomers of tetrahydrofolate derivatives
The present invention related to the preparation of substantially pure diastereoisomers of derivatives of tetrahydrofolate and the use of such diastereoisomers. More particularly the present invention provides a process for the preparation of a desired su...
12/31/2002
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