Category: 105675-85-2

Lyalin, B. V. published the artcileOxidative transformation of N-substituted 3-aminopyrazoles to azopyrazoles using electrogenerated bromine as a mediator, Quality Control of 105675-85-2, the publication is Russian Chemical Bulletin (2018), 67(3), 510-516, database is CAplus.

The one-pot process of anodic transformation of N-alkyl-3-aminopyrazoles into azopyrazoles I [R¹ = H, Me, Et; R² = H, Me; R³ = Br, Me] under conditions of membraneless electrolysis in an aqueous solution of NaBr was studied for the first time. It was found that under these conditions the aminopyrazoles, which do not have a substituent at position 4, transform into the corresponding 4,4′-dibromoazopyrazoles. The corresponding yield was in the interval of 28-80%, depending on the structure of the products. The transformation of 4-substituted aminopyrazoles resulted in the formation of azopyrazoles in the yields lying within 62-86% when this process was implemented under conditions with the anodically generated Br₂ acting as a mediator. A convenient method of anodic synthesis of azopyrazoles in an aqueous medium without the use of additives of chem. oxidants was proposed. The process was environmentally sound and was characterized by a high atom efficiency (>85%).

Russian Chemical Bulletin published new progress about 105675-85-2. 105675-85-2 belongs to pyrazoles-derivatives, auxiliary class Pyrazole,Bromide,Amine, name is 4-Bromo-1-methyl-1H-pyrazol-5-amine, and the molecular formula is C4H6BrN3, Quality Control of 105675-85-2.

Referemce:
https://en.wikipedia.org/wiki/Pyrazole,
Pyrazoles – an overview | ScienceDirect Topics

Afolabi, Fatai published the artcileSynthesis of novel heteroleptic delocalised cationic pyrazole gold complexes as potent HepG2 cytotoxic agents, Safety of 4-Bromo-1-methyl-1H-pyrazol-5-amine, the publication is Dalton Transactions (2018), 47(43), 15338-15343, database is CAplus and MEDLINE.

A new series of cationic gold(I) pyrazole complexes were prepared in excellent yields as their perchlorate salts. Results of cell viability assays show that these novel complexes have good cytotoxic properties against the human HepG2 cancer cell line. These complexes showed promising anti-cancer activities and to our knowledge, pyrazoles have never been tested against this cell line. The regioselectivity of the complexation is also discussed in regards to the substitution pattern of the pyrazoles.

Dalton Transactions published new progress about 105675-85-2. 105675-85-2 belongs to pyrazoles-derivatives, auxiliary class Pyrazole,Bromide,Amine, name is 4-Bromo-1-methyl-1H-pyrazol-5-amine, and the molecular formula is C4H6BrN3, Safety of 4-Bromo-1-methyl-1H-pyrazol-5-amine.

Referemce:
https://en.wikipedia.org/wiki/Pyrazole,
Pyrazoles – an overview | ScienceDirect Topics

Qian, Yimin published the artcileDiscovery of Highly Selective and Orally Active Lysophosphatidic Acid Receptor-1 Antagonists with Potent Activity on Human Lung Fibroblasts, Related Products of pyrazoles-derivatives, the publication is Journal of Medicinal Chemistry (2012), 55(17), 7920-7939, database is CAplus and MEDLINE.

Lysophosphatidic acid is a class of bioactive phospholipid that mediates most of its biol. effects through LPA receptors, of which six isoforms have been identified. The recent results from LPA1 knockout mice suggested that blocking LPA1 signaling could provide a potential novel approach for the treatment of idiopathic pulmonary fibrosis. Here, we report the design and synthesis of pyrazole- and triazole-derived carbamates as LPA1-selective and LPA1/3 dual antagonists. In particular, compound I, the most selective LPA1 antagonist reported, inhibited proliferation and contraction of normal human lung fibroblasts (NHLF) following LPA stimulation. Oral dosing of compound I to mice resulted in a dose-dependent reduction of plasma histamine levels in a murine LPA challenge model. Furthermore, we applied our novel antagonists as chem. probes and investigated the contribution of LPA1/2/3 in mediating the pro-fibrotic responses. Our results suggest LPA1 as the major receptor subtype mediating LPA-induced proliferation and contraction of NHLF.

Journal of Medicinal Chemistry published new progress about 105675-85-2. 105675-85-2 belongs to pyrazoles-derivatives, auxiliary class Pyrazole,Bromide,Amine, name is 4-Bromo-1-methyl-1H-pyrazol-5-amine, and the molecular formula is C4H6BrN3, Related Products of pyrazoles-derivatives.

Referemce:
https://en.wikipedia.org/wiki/Pyrazole,
Pyrazoles – an overview | ScienceDirect Topics