Examples of 'pyridazine' in a sentence
Meaning of "pyridazine"
pyridazine (noun): a chemical compound that is used in the synthesis of various pharmaceuticals and agrochemicals. Pyridazine is known for its role as a building block in organic chemistry reactions and its potential applications in drug discovery
Show more definitions
- A diazine in which the two nitrogen atoms are in the ortho- positions; many of its derivatives are pharmaceuticals, herbicides etc
How to use "pyridazine" in a sentence
Basic
Advanced
pyridazine
Pyridazine compounds for controlling invertebrate pests.
Potassium permanganate oxidizes it to pyridazine tetracarboxylic acid.
Pyridazine derivatives having a psychotropic action and compositions.
The compounds described herein can contain a pyrazine or pyridazine ring.
Pyridazine compounds for the treatment of inflammatory diseases.
The aforementioned sulphates may be prepared from pyridazine by conventional means.
Pyridazine derivatives and their use as therapeutics agents.
Upon oxidation with alkaline potassium permanganate it yields pyridazine dicarboxylic acid.
Pyridazine derivatives and their use as therapeutic agents.
Field of the Invention The present invention relates to a novel fused pyridazine compound.
New derivatives of pyridazine active on the central nervous system.
The resulting mixture was stirred and monitored by TLC until the starting pyridazine was exhausted.
Pyridazine derivatives have been proposed as drugs for many years.
A favoured value of X is pyridazine.
Pyridazine derivatives have been proposed as medicaments for many years.
See also
For numerous years, derivatives of pyridazine have been proposed as drugs.
Pyridazine derivatives and medicines containing the same as effective ingredients.
In preferred embodiments of the invention, pyridazine or phthalazine are the spacer groups.
The novel pyridazine derivatives described herein are useful for the treatment of arthritis.
Pyrazine is less basic in nature than pyridine, pyridazine and pyrimidine.
It is known that fuzed pyridazine compounds possess various pharmacological effects.
The present invention relates, by way of new products, to pyridazine derivatives.
Such pyridazine derivatives are phosphodiesterase IV inhibitors.
More rarely, an anti-inflammatory and analgesic action has been mentioned among pyridazine derivatives.
Also, pyridazine derivatives such as dimorpholinopyridazinone.
Chapter 5 described the study of IEDDA reaction as a useful synthetic tool to prepare pyridazine derivatves.
Pyridazine derivatives having a psychotropic action, and medicaments in which they are present.
Technical Field The present invention relates to a pyridazine compound, use thereof and its production intermediate.
More rarely, pyridazine derivatives have been mentioned as having an antiinflammatory and analgesic action.
In a specific embodiment, ring A is pyridine or pyridazine.
Pyridazine derivatives active on the central nervous system, and medicaments in which they are present.
A variety of R4 groups can be introduced to the pyridazine ring as described in Scheme 5.
Representative pyridazine compounds of this invention can be prepared as shown in Scheme 1.
The 6-membered unsaturated heterocycle includes pyridine, pyrimidine or pyridazine.
Substituted pyridazine derivatives which have histamine H3 antagonist activity.
Preferably, het3 may be represented by a ring selected from pyrimidine, pyrazine or pyridazine.
Additional pyridazine compounds of this invention can be prepared as shown in Scheme 1B.
None of these documents, however, discloses pyridazine derivatives with anti cGMP-PDE activity.
Pyridazine rings include,.
Note, starting material and product also contained the bromo pyridazine ( see above ).
In a further example, a pyridazine herbicide may include credazine ; pyridafol ; pyridate ; or any combination thereof.
Of the mono-azo dye class the following are preferred, thiazoliums, isothiazoliums, pyridine and pyridazine dyes.
Additional pyridazine and pyridazinone-containing macrocycles can be prepared according to Scheme 13.
However R1 is preferably an aromatic heterocyclic ring, especially pyrazine, pyridazine or pyrimidine.
Two ligands involving monodentate pyridazine rings bind to a square-planar copper ( II ) centre.
Examples of 6-membered heterocycles are pyridine, pyrimidine, pyrazine, pyridazine and triazine.
Two monodentate pyridazine rings and two bidentate nitrates bind to a pseudo-octahedral copper ( II ) centre.
The present invention relates to aminated derivatives of pyridazine of formula, STR1 in which,.
Pyridazine is a heterocyclic organic compound with the molecular formula ( CH ) 4N2.
Preferably, R 2 represents a pyridazine or a pyrazine optionally substituted.
