Month: December 2022

Yu, Jianxin published the artcileDiscovery of 2-Alkyl-1-arylsulfonylprolinamides as 11β-Hydroxysteroid Dehydrogenase Type 1 Inhibitors, Recommanded Product: 2-Chloro-4-cyanobenzene-1-sulfonyl chloride, the publication is ACS Medicinal Chemistry Letters (2012), 3(10), 793-798, database is CAplus and MEDLINE.

On the basis of scaffold hopping, a novel series of 2-alkyl-1-arylsulfonylprolinamides was discovered as 11β-hydroxysteroid dehydrogenase type 1 (11β-HSD-1) inhibitors. A representative compound 4ek (I), obtained through SAR and structure optimization studies, demonstrates excellent in vitro potency against 11β-HSD-1 and dose-dependent in vivo inhibition of 11β-HSD-1 in a prednisone/prednisolone transformation biomarker study in mice.

ACS Medicinal Chemistry Letters published new progress about 254749-11-6. 254749-11-6 belongs to chlorides-buliding-blocks, auxiliary class Chloride,Nitrile,Benzene, name is 2-Chloro-4-cyanobenzene-1-sulfonyl chloride, and the molecular formula is C10H9IO4, Recommanded Product: 2-Chloro-4-cyanobenzene-1-sulfonyl chloride.

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

Ren, Erfang published the artcileAnalysis of flavor difference of macadamia nuts dried with different methods based on electronic sensory technology combined with GC-MS, Recommanded Product: 3-Chlorobenzylchloride, the publication is Xiandai Shipin Keji (2021), 37(11), 304-316, 84, database is CAplus.

In order to evaluate scientifically the differences in the flavor of macadamia nuts dried with different methods, electronic tongue and electronic nose sensory technologies combined with gas chromatog.-mass spectrometry (GC-MS) were used to analyze their flavor quality. The results showed that there were significant differences between fresh macadamia nuts and different dried macadamia nuts in umami, salty, sour and bitter tastes, and the cumulative contribution rate of the first two principal components of linear discriminant anal. (LDA) was 96.60%, which could distinguish completely macadamia nuts dried in different ways. The responses of the electronic nose to macadamia nuts processed differently differed significantly. The cumulative contribution rate of the first two principal components in principal component anal. (PCA) reached 98.79%, which could well distinguish the volatile flavor compounds of the macadamia nuts dried by different treatments. The sensors W1S, W3S and W3C played major roles in the principal component anal. As a supplement to the electronic nose, GC-MS identified a total of 227 volatile components, with alkanes and aldehydes being dominant in types and contents. The relative contents of alkanes in the four different treatments of macadamia nuts were 26.29%, 40.76%, 23.64% and 39.46%, resp., and the relative contents of aldehydes were 29.01%, 18.96%, 26.03% and 23.87%, resp. Therefore, the combination of electronic tongue, electronic nose and GC-MS can better distinguish macadamia nuts dried with different methods, thereby providing a theor. reference for postharvest primary processing of macadamia nuts in growing regions.

Xiandai Shipin Keji 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

Xu, Lei published the artcileThe amine-catalysed Suzuki-Miyaura-type coupling of aryl halides and arylboronic acids, Name: Ethyl 2-(4-chlorophenoxy)-2-methylpropanoate, the publication is Nature Catalysis (2021), 4(1), 71-78, database is CAplus.

A robust and chemoselective organocatalytic Suzuki-Miyaura-type coupling of aryl halides viz. Me 2-(4-bromophenyl)propanoate, Me 2-(4-chlorophenyl)propanoate, 5-bromopyrimidine, etc. with arylboronic acids viz. phenylboronic acid, naphthalen-2-ylboronic acid, furan-3-ylboronic acid, etc. catalyzed by amines, e.g. 2-methyl-N1,N3-di-o-tolylbenzene-1,3-diamine was reported. The utility and scope of this reaction were demonstrated by the synthesis of several com. relevant small mols. viz. Me 2-([1,1′-biphenyl]-4-yl)propanoate, Me 2-(4-(naphthalen-2-yl) phenyl)propanoate, 5-(furan-3-yl)pyrimidine, etc. and a selection of derivatives of pharmaceutical drugs e.g., Boscalid.

Nature Catalysis published new progress about 637-07-0. 637-07-0 belongs to chlorides-buliding-blocks, auxiliary class Inhibitor,Cell Cycle,PPAR, name is Ethyl 2-(4-chlorophenoxy)-2-methylpropanoate, and the molecular formula is C16H20N2, Name: Ethyl 2-(4-chlorophenoxy)-2-methylpropanoate.

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

Li, Renhe published the artcileRedox-Neutral ortho Functionalization of Aryl Boroxines via Palladium/Norbornene Cooperative Catalysis, Quality Control of 209919-30-2, the publication is Chem (2019), 5(4), 929-939, database is CAplus and MEDLINE.

A redox-neutral ortho functionalization of aryl boroxines via Pd/NBE catalysis was reported. An electrophile, such as carboxylic acid anhydrides or O-benzoyl hydroxylamines, was coupled at the boroxine ortho position, and a proton as the second electrophile was introduced at the ipso position. This reaction did not require extra oxidants or reductants and avoided stoichiometric bases or acids, thereby tolerating a wide range of functional groups. In particular, orthogonal chemoselectivity between aryl iodide and boroxine moieties was demonstrated, which could be used to control reaction sequences. Finally, a deuterium-labeling study supported the ipso protonation pathway. This unique mechanistic feature could inspire the development of a new class of Pd/NBE-catalyzed transformations.

Chem published new progress about 209919-30-2. 209919-30-2 belongs to chlorides-buliding-blocks, auxiliary class Chloride,Boronic acid and ester,Benzene,Boronic Acids,Boronic acid and ester, name is 4-Chloro-2-methylphenylboronic acid, and the molecular formula is C7H8BClO2, Quality Control of 209919-30-2.

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

Li, Fengqing published the artcileJ-aggregation in porphyrin nanoparticles induced by diphenylalanine, Quality Control of 42074-68-0, the publication is Journal of Solid State Chemistry (2017), 86-92, database is CAplus.

In this report, L-diphenylalanine-decorated tetraphenylporphyrin (TPPtFF_C) was synthesized and self-assembled into regular nano-architectures. The morphol. of the assemblies varied with the concentration of TPPtFF_C. The absorption spectra of the nanoparticles show the Soret band merges with the Q bands and redistributes with great red-shift, indicative of the formation of J-aggregates of the porphyrin mols. The fluorescence emission of the nanoparticles is merged and red-shifted to near-IR region. Studies of absorption and fluorescence spectra reveal an indispensable role of diphenylalanine group in the formation of J-aggregates. The Raman spectra disclose that diprotonation of the porphyrin core contributes to delocalized coherent excited states in the nanoparticles. The pos. Cotton effect in CD spectra corresponding to the Soret band of TPPtFF_C in solution confirms the formation of J-aggregates with right-handed chirality of the dipole moment. This report will shed light on the rational design of porphyrin-peptide conjugates to mimic naturally light-harvesting complexes.

Journal of Solid State Chemistry published new progress about 42074-68-0. 42074-68-0 belongs to chlorides-buliding-blocks, auxiliary class Chloride,Benzyl chloride,Benzene, name is 2-Chlorotrityl chloride, and the molecular formula is C19H14Cl2, Quality Control of 42074-68-0.

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

Pan, Nianjuan published the artcileNovel pyrimidine derivatives bearing a 1,3,4-thiadiazole skeleton: design, synthesis, and antifungal activity, HPLC of Formula: 939-99-1, the publication is Frontiers in Chemistry (Lausanne, Switzerland) (2022), 922813, database is CAplus and MEDLINE.

In this study, twenty novel pyrimidine derivatives bearing a 1,3,4-thiadiazole skeleton were designed and synthesized. Then their antifungal activity against Botrytis cinereal (B. cinereal), Botryosphaeria dothidea (B. dothidea), and Phomopsis sp. were determined using the poison plate technique. Biol. test results showed that I revealed lower EC₅₀ values (25.9 and 50.8μg/mL) on Phompsis sp. than those of pyrimethanil (32.1 and 62.8μg/mL).

Frontiers in Chemistry (Lausanne, Switzerland) 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, HPLC of Formula: 939-99-1.

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

Pan, Nianjuan published the artcileNovel pyrimidine derivatives bearing a 1,3,4-thiadiazole skeleton: design, synthesis, and antifungal activity, Related Products of chlorides-buliding-blocks, the publication is Frontiers in Chemistry (Lausanne, Switzerland) (2022), 922813, database is CAplus and MEDLINE.

In this study, twenty novel pyrimidine derivatives bearing a 1,3,4-thiadiazole skeleton were designed and synthesized. Then their antifungal activity against Botrytis cinereal (B. cinereal), Botryosphaeria dothidea (B. dothidea), and Phomopsis sp. were determined using the poison plate technique. Biol. test results showed that I revealed lower EC₅₀ values (25.9 and 50.8μg/mL) on Phompsis sp. than those of pyrimethanil (32.1 and 62.8μg/mL).

Frontiers in Chemistry (Lausanne, Switzerland) 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, Related Products of chlorides-buliding-blocks.

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

He, Jingjing published the artcileDBN-Mediated Addition Reaction of α-(Trifluoromethyl)styrenes with Diazoles, Triazoles, Tetrazoles, and Primary, Secondary, and Secondary Cyclic Amines, Recommanded Product: 1,3-Dichloro-5-(3,3,3-trifluoroprop-1-en-2-yl)benzene, the publication is Organic Letters (2022), 24(12), 2299-2304, database is CAplus and MEDLINE.

A mild and efficient DBN-mediated addition reaction of α-(trifluoromethyl)styrenes with diazoles, triazoles, tetrazoles, and primary, secondary, and secondary cyclic amines was developed. This practical protocol provided a robust method for the synthesis of various β-trifluoromethyl nitrogen-containing heterocycles and β-trifluoromethyl amines.

Organic Letters published new progress about 864725-22-4. 864725-22-4 belongs to chlorides-buliding-blocks, auxiliary class Trifluoromethyl,Fluoride,Chloride,Alkenyl,Benzene, name is 1,3-Dichloro-5-(3,3,3-trifluoroprop-1-en-2-yl)benzene, and the molecular formula is C9H5Cl2F3, Recommanded Product: 1,3-Dichloro-5-(3,3,3-trifluoroprop-1-en-2-yl)benzene.

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

Kang, Tao published the artcileMicrowave assistant synthesis and crystal structures of two substituted oxazole isoxazole carboxamides, HPLC of Formula: 3919-74-2, the publication is Chinese Journal of Structural Chemistry (2020), 39(10), No pp. given, database is CAplus.

Two novel substituted Ph oxazole isoxazole carboxamides I was synthesized by microwave assistant technol. The target compounds were characterized by IR, ¹H NMR, ¹³C NMR and HRMS, and their single-crystal structures were further determined by X-ray diffraction. Compound I [R¹=R² = H; R³ = Me; R⁴ = isopropyl] crystallizes in monoclinic system, space group P21/c with a = 6.2137(12), b = 19.923(4), c = 13.748(3) Å, β = 92.30(3)°, V = 1700.6(6) Å3, Dc = 1.228 Mg/m3, Z = 4, F(000) = 672, μ(MoKα) = 0.084 mm-1, R = 0.0526 and wR = 0.1259. Compound I [R¹ = F; R² = Cl; R³ = Me, R⁴ = Et] crystallizes in triclinic system, space group P1̅ with a = 7.8750(16), b = 10.596(2), c = 11.725(12) Å, β = 102.05(3)°, V = 859.5(3) Å3, Dc = 1.363 Mg/m3, Z = 2, F(000) = 368, μ(MoKα) = 0.250 mm-1, R = 0.0738 and wR = 0.1941. Both of the mols. prefer to form crystal packing through C-H···O hydrogen bonds. Compounds I [R¹=R² = H; R³ = Me; R⁴ = Et] and [R¹ = F; R² = Cl; R³ = Me; R⁴ = Et] show safener activity on maize against the injury of chlorsulfuron.

Chinese Journal of Structural Chemistry published new progress about 3919-74-2. 3919-74-2 belongs to chlorides-buliding-blocks, auxiliary class Isoxazole,Fluoride,Chloride,Carboxylic acid,Benzene, name is 3-(2-Chloro-6-fluorophenyl)-5-methylisoxazole-4-carboxylic acid, and the molecular formula is C11H7ClFNO3, HPLC of Formula: 3919-74-2.

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

Zhao, Yunlong published the artcileStereoselective Synthesis of Trisubstituted Alkenes by Nickel-Catalyzed Benzylation and Alkene Isomerization, Name: 3-Chlorobenzylchloride, the publication is Angewandte Chemie, International Edition (2022), 61(26), e202202674, database is CAplus and MEDLINE.

Herein, diastereo- and regioselective synthesis of trisubstituted alkenes via nickel-catalyzed benzylation and isomerization of terminal olefins with benzyl chlorides in presence of trimethylsilyl triflate and trimethylamine additives was described. Control experiments provided evidence for a mechanism involving branched-selective Heck-type benzylation that overrides substrate control, followed by trans-selective 1,3-hydrogen shift. The method represented a significant addition to the toolbox of reactions for the concise synthesis of unsaturated biol. active compounds

Angewandte Chemie, International Edition 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 C13H10N2S, Name: 3-Chlorobenzylchloride.

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