Tag: M.W=150-200

Bala, Renu published the artcilePhthaloyl Dichloride-DMF Mediated Synthesis of Benzothiazole-based 4-Formylpyrazole Derivatives: Studies on Their Antimicrobial and Antioxidant Activities, Product Details of C7H7ClN2S, the publication is Journal of Heterocyclic Chemistry (2018), 55(11), 2507-2515, database is CAplus.

Benzothiazole-based pyrazole derivatives were prepared by a mol. hybridization approach with an aim to influence the biol. activity significantly. Efficient conversion of hydrazones I (R = H, OMe, Cl, etc.; R’ = H, F; R” = H, Me, Br, Cl) derived from their corresponding Me ketones to 4-formylpyrazoles II was carried out at 60° in dioxane, using the Vilsmeier-Haack reagent isolated from phthaloyl dichloride and N,N-dimethylformamide. The newly synthesized compounds II and hydrazones I were screened in vitro for their antimicrobial activities using the broth macrodilution method. The compounds I were also screened for their antioxidant activities using the DPPH radical scavenging assay. Some of the synthesized compounds showed significant antibacterial and antifungal activities as evident from their min. inhibitory concentrations Compound II (R = R’ = H; R” = Br) showed remarkable antioxidant activity.

Journal of Heterocyclic Chemistry published new progress about 3696-23-9. 3696-23-9 belongs to chlorides-buliding-blocks, auxiliary class Chloride,Thiourea,Amine,Benzene,Amide, name is 1-(4-Chlorophenyl)thiourea, and the molecular formula is C7H7ClN2S, Product Details of C7H7ClN2S.

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

Dey, Sandip published the artcileStructural variety and multiple isomerism in 1-(dimethylamino)propyl-2-chalcogenolate and 2-(dimethylamino)propyl-1-chalcogenolate complexes of palladium(II) and platinum(II): Synthesis, spectroscopy and structures, SDS of cas: 4584-49-0, the publication is European Journal of Inorganic Chemistry (2004), 4510-4520, database is CAplus.

Isomeric dichalcogenides [Me₂NCH(Me)CH₂E]₂ [(N^{âˆ?/sup>E**)₂] and [Me₂NCH₂CH(Me)E]₂ [(Nâˆ?/sup>E*)₂] (E = S, Se, Te) were obtained by the reactions of NaSH or M’₂E₂ (M’ = Na or K) with Me₂NCH₂CHMeCl. The former reaction affords mainly (Nâˆ?/sup>E**)₂ (E = S) while from the latter mixtures of (Nâˆ?/sup>E**)₂ and (Nâˆ?/sup>E*)₂ [referred to as (Nâˆ?/sup>E)₂, E = S, Se, Te] were isolated, the ratios in the mixtures depending on the chalcogen. Reactions of (Nâˆ?/sup>E)Na with [M₂Cl₂(μ-Cl)₂(PR₃)₂] gave [MCl(Nâˆ?/sup>E)(PR₃)] (M = Pd or Pt). These chiral, mixed-ligand complexes were characterized by elemental anal., IR, UV/visible and NMR (1H, 13C, 31P, 77Se, 125Te, 195Pt) spectroscopy, and, in part, by x-ray structure anal. The complexes display a typical pattern of mutually trans-oriented neutral (P and N) and anionic (Cl and E) donor atoms in an approx. square-planar environment. In contrast to the Pt(II) analogs, the x-ray structures of [PdCl(Nâˆ?/sup>E)(PMePh₂)] (E = S or Se) revealed both a conformational isomerism of the five-membered chelate ring and, for Se, the co-crystallization of complexes with both the Nâˆ?/sup>E* and Nâˆ?/sup>E** isomeric ligands. The thermal behavior of some complexes was studied.}

European Journal of Inorganic Chemistry published new progress about 4584-49-0. 4584-49-0 belongs to chlorides-buliding-blocks, auxiliary class Chloride,Salt,Amine,Aliphatic hydrocarbon chain, name is 2-Chloro-N,N-dimethylpropan-1-amine hydrochloride, and the molecular formula is C5H13Cl2N, SDS of cas: 4584-49-0.

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

Korvorapun, Korkit published the artcileLate-Stage Diversification by Selectivity Switch in meta-C-H Activation: Evidence for Singlet Stabilization, Product Details of C8H6ClF3, the publication is ACS Catalysis (2020), 10(1), 435-440, database is CAplus.

The full control of site selectivity in C-H activation is paramount for the programmed late-stage functionalization of structurally complex structures. During the past decade, directing groups have revolutionized mol. synthesis in terms of ortho-selective C-H activation. In sharp contrast, a selectivity switch that guides the typical ortho- to remote meta-C-H activation has thus far proven elusive. Herein, we describe the realization of such a concept for a robust selectivity control in ruthenium catalysis. The distal C-H transformation was guided by key mechanistic insights into the mild, synergistic action of carboxylates and phosphines in ruthenium(II) catalysis. Our findings allowed remote selectivity in broadly effective late-stage diversification of structurally complex drugs and natural product mols., tolerating sensitive fluorescent dyes, drugs, lipids, peptides, nucleosides and carbohydrates.

ACS Catalysis published new progress about 939-99-1. 939-99-1 belongs to chlorides-buliding-blocks, auxiliary class Fluoride,Chloride,Benzyl chloride,Benzene, name is 1-(Chloromethyl)-4-(trifluoromethyl)benzene, and the molecular formula is C8H6ClF3, Product Details of C8H6ClF3.

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

Vashi, D. M. published the artcileSynthesis and characterizations of substituted 1, 3, 5-triazine -2, 4, 6-triamines as biological potent agents, Application In Synthesis of 3696-23-9, the publication is Journal of Applicable Chemistry (Lumami, India) (2016), 5(4), 871-876, database is CAplus.

Some novel 1, 3, 5-triazine-2, 4, 6- triamines have been synthesized and characterized by elemental analyses, IR and NMR. The products have been tested for their antibacterial activity against gram (+)ve and gram (-)ve bacteria.

Journal of Applicable Chemistry (Lumami, India) published new progress about 3696-23-9. 3696-23-9 belongs to chlorides-buliding-blocks, auxiliary class Chloride,Thiourea,Amine,Benzene,Amide, name is 1-(4-Chlorophenyl)thiourea, and the molecular formula is C4H4N2O2, Application In Synthesis of 3696-23-9.

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

Broumidis, Emmanouil published the artcileA one-pot, two-step synthesis of 3-deazacanthin-4-ones via sequential Pd-catalyzed Suzuki-Miyaura and Cu-catalyzed Buchwald-Hartwig reactions, Category: chlorides-buliding-blocks, the publication is Tetrahedron Letters (2017), 58(27), 2661-2664, database is CAplus.

3-Deazacanthin-4-one and nine analogs, including the 8-aza analog, were prepared rapidly and in high yields from 8-iodoquinolones and 2-chloro(het)arylboronic acids. The strategy involves construction of the central B ring via sequential Pd-catalyzed Suzuki-Miyaura C-C and Cu-catalyzed Buchwald-Hartwig C-N coupling reactions [e.g., Suzuki reaction of iodoquinolone I with (2-chlorophenyl)boronic acid followed by intramol. Buchwald-Hartwig → II (90%)].

Tetrahedron Letters published new progress about 145349-62-8. 145349-62-8 belongs to chlorides-buliding-blocks, auxiliary class Chloride,Boronic acid and ester,Benzene,Boronic Acids, name is 2-Chloro-4-methylphenylboronic acid, and the molecular formula is C7H8BClO2, Category: chlorides-buliding-blocks.

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

Gollner, Andreas published the artcileTwo-Step Total Syntheses of Canthin-6-one Alkaloids: New One-Pot Sequential Pd-Catalyzed Suzuki-Miyaura Coupling and Cu-Catalyzed Amidation Reaction, SDS of cas: 145349-62-8, the publication is Organic Letters (2010), 12(6), 1352-1355, database is CAplus and MEDLINE.

Canthin-6-one (I; R¹ = R² = H) and nine analogs including the naturally occurring 9-methoxycanthin-6-one (I; R¹ = OMe, R² = H) and amaroridine (I; R¹ = H, R² = OMe) are prepared rapidly and in high yields via a convergent “non-classical” strategy that focuses on construction of the central ring B. The strategy relies on concomitant Pd-catalyzed Suzuki-Miyaura C-C coupling followed by a Cu-catalyzed C-N coupling that can be achieved either stepwise or in a new one-pot protocol starting from the appropriate 8-bromo-1,5-naphthyridine.

Organic Letters published new progress about 145349-62-8. 145349-62-8 belongs to chlorides-buliding-blocks, auxiliary class Chloride,Boronic acid and ester,Benzene,Boronic Acids, name is 2-Chloro-4-methylphenylboronic acid, and the molecular formula is C7H8BClO2, SDS of cas: 145349-62-8.

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

Karpina, V. R. published the artcileThe synthesis and biological assessment of [[1,2,4]triazolo[4,3-a]pyridine-3-yl]acetamides with an 1,2,4-oxadiazole cycle in positions 6, 7 and 8, SDS of cas: 6313-54-8, the publication is Zhurnal Organichnoi ta Farmatsevtichnoi Khimii (2019), 17(1), 28-35, database is CAplus.

A novel method was developed for the synthesis of 32 analogs of 2-[(1,2,4-oxadiazol-5-yl)-[1,2,4]triazolo[4,3-a]pyridine-3-yl]acetamides and biol. assessment was conducted. A convenient scheme for the synthesis of the title compounds started from com. available 2-chloropyridine-3-/4-/5-carboxylic acids with amidoximes to form the corresponding 2-chloro-[1,2,4-oxadiazol-5-yl]pyridines then followed by the hydrazinolysis with an excess of hydrazine hydrate. The process continued via the ester formation with the pyridine ring closure, followed by amide formation. A series of new 2-[6/7/8-(1,2,4-oxadiazol-5-yl)[1,2,4]triazolo[4,3-a]pyridine-3-yl]acetamides were obtained in good yields and their structures were proved by the method of ¹H NMR spectroscopy. The prognosis and study of their pharmacol. activity were also conducted. The synthetic approach of obtaining the representatives of 2-[(1,2,4-oxadiazol-5-yl)-[1,2,4] triazolo[4,3-a]pyridine-3-yl]acetamides previously unknown can be used as an applicable method for the synthesis of diverse functionalized [1,2,4]triazolo[4,3-a]pyridine derivatives

Zhurnal Organichnoi ta Farmatsevtichnoi Khimii published new progress about 6313-54-8. 6313-54-8 belongs to chlorides-buliding-blocks, auxiliary class Pyridine,Chloride,Carboxylic acid, name is 2-Chloroisonicotinic acid, and the molecular formula is C6H4ClNO2, SDS of cas: 6313-54-8.

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

Karpina, Veronika R. published the artcileA novel series of [1,2,4]triazolo[4,3-a]pyridine sulfonamides as potential antimalarial agents: in silico studies, synthesis and in vitro evaluation, Recommanded Product: 3-Chlorobenzylchloride, the publication is Molecules (2020), 25(19), 4485, database is CAplus and MEDLINE.

For the development of new and potent antimalarial drugs, the virtual library with three points of randomization of novel [1,2,4]triazolo[4,3-a]pyridines bearing a sulfonamide fragment, e.g., I has been described. The library of 1561 compounds has been investigated by both virtual screening and mol. docking methods using falcipain-2 as a target enzyme. 25 Chosen hits were synthesized and evaluated for their antimalarial activity in vitro against Plasmodium falciparum. 3-Ethyl-N-(3-fluorobenzyl)-N-(4-methoxyphenyl)-[1,2,4]triazolo[4,3-a]pyridine-6-sulfonamide and 2-(3-chlorobenzyl)-8-(piperidin-1-ylsulfonyl)-[1,2,4]triazolo[4,3-a]pyridin-3(2H)-one showed in vitro good antimalarial activity with inhibitory concentration IC₅₀ = 2.24 and 4.98μM, resp. This new series of compounds may serve as a starting point for future antimalarial drug discovery programs.

Molecules published new progress about 620-20-2. 620-20-2 belongs to chlorides-buliding-blocks, auxiliary class Chloride,Benzyl chloride,Benzene, name is 3-Chlorobenzylchloride, and the molecular formula is C7H6Cl2, Recommanded Product: 3-Chlorobenzylchloride.

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

Prevost, Julien R. C. published the artcileConvenient one-pot formation of highly functionalized 5-bromo-2-aminothiazoles, potential endocannabinoid hydrolase MAGL inhibitors, Product Details of C7H7ClN2S, the publication is Tetrahedron Letters (2018), 59(49), 4315-4319, database is CAplus.

Highly functionalized 5-bromo-2-amino-1,3-thiazoles bearing various substituents could be easily prepared by a rapid and efficient one-pot method, using simple starting materials and mild conditions while avoiding the use of metal catalysts or inconvenient reagents such as elemental halogens. These useful products can serve as starting materials for other reactions or as pharmacol. interesting compounds In our work we have shown that the resulting 5-bromothiazole compounds could lead to monoacylglycerol lipase (MAGL) inhibition in the μM range.

Tetrahedron Letters published new progress about 3696-23-9. 3696-23-9 belongs to chlorides-buliding-blocks, auxiliary class Chloride,Thiourea,Amine,Benzene,Amide, name is 1-(4-Chlorophenyl)thiourea, and the molecular formula is C7H7ClN2S, Product Details of C7H7ClN2S.

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

Hachey, D. L. published the artcileQuantitative analysis of methadone in biological fluids using deuterium-labeled methadone and GLC-chemical-ionization mass spectrometry, Category: chlorides-buliding-blocks, the publication is Journal of Pharmaceutical Sciences (1977), 66(11), 1579-82, database is CAplus and MEDLINE.

The (+)-, (-)-, and (±)-²H₅-methadones which contained 5 deuterium atoms in 1 aromatic ring, were synthesized for use in clin. pharmacol. studies and as internal standards GLC-chem.-ionization mass spectrometry was used to determine plasma and urinary methadone [76-99-3] levels by an inverse isotope dilution assay. Plasma drug levels could be determined to 10 pmol/mL, and urine levels could be measured to 5 pmol/mL. Plasma methadone levels were examined in several patients undergoing methadone maintenance therapy. These levels generally ranged between 100 and 400 ng/mL (320-1300 pmol/mL) after an average oral dose of 1 mg/kg/day. The methadone half-life was 28.8 h.

Journal of Pharmaceutical Sciences published new progress about 4584-49-0. 4584-49-0 belongs to chlorides-buliding-blocks, auxiliary class Chloride,Salt,Amine,Aliphatic hydrocarbon chain, name is 2-Chloro-N,N-dimethylpropan-1-amine hydrochloride, and the molecular formula is C5H13Cl2N, Category: chlorides-buliding-blocks.

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