Category: chlorides-buliding-blocks

《Bicarbazole-based oxalates as photoinitiating systems for photopolymerization under UV-Vis LEDs》 was published in Journal of Polymer Science (Hoboken, NJ, United States) in 2020. These research results belong to Zhou, Ruchun; Jin, Ming; Malval, Jean-Pierre; Pan, Haiyan; Wan, Decheng. Application In Synthesis of Methyl 2-chloro-2-oxoacetate The article mentions the following:

Photoinitiators are critical to initiate chain reactions in photopolymerization For such applications, the absorption of photoinitiator must be compatible with the emission of light sources and enables the fast manufacturing of three-dimensional network or structures. Light-emitting diode (LED) is a new kind of energy-saving and environmental protection light source, exhibiting a substantial response in the near UV and visible range to replace the traditional mercury lamp and other light sources in photopolymerization Here, we introduce Me oxalate into bicarbazole chromophore (BiCz). By variation of the single or double substituents in the BiCz, we demonstrate that the absorption spectra can be adjusted and red shift to visible range and show good absorption in the near UV and visible range (365-475 nm). We explore their photochem. based on exptl. results and theor. calculations and the mechanism of photoreactions have been verified. The super photostability by themselves and good hydrogen abstraction ability from amine co-initiator make them as excellent near UV and visible light active photoinitiators. Critically, the photoinitiation of the free-radical polymerization of acrylate monomers with low content (0.1% concentration) upon LED irradiation at 365-475 nm, exhibits excellent application potential in light curing and other fields. In addition to this study using Methyl 2-chloro-2-oxoacetate, there are many other studies that have used Methyl 2-chloro-2-oxoacetate(cas: 5781-53-3Application In Synthesis of Methyl 2-chloro-2-oxoacetate) was used in this study.

Methyl 2-chloro-2-oxoacetate(cas: 5781-53-3) belongs to acyl chlorides. In the laboratory, acyl chlorides are generally prepared by treating carboxylic acids with thionyl chloride (SOCl2). The reaction is catalyzed by dimethylformamide and other additives.Application In Synthesis of Methyl 2-chloro-2-oxoacetate

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

In 1972,Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya included an article by Kadentsev, V. I.; Chizhov, O. S.; Yanovskaya, L. A.; Kucherov, V. F.. Recommanded Product: Ethyl 3-(4-chlorophenyl)propanoate. The article was titled 《Oxygen rearrangement of aromatic and unsaturated acid esters. 4. Mass spectra of p- and m-substituted esters of β-phenylpropionic acid and their heterocyclic analogs》. The information in the text is summarized as follows:

The title mass spectra for meta and para isomers of XC6H4(CH2)2CO2Et (X = Me, MeO, Cl, Br, H), as well as analogs, revealed that the nature of X and its position in the ring both affected the fragmentation. The Class I groups did not interfere with the oxygen-rearrangement, with the meta isomers showing somewhat stronger orienting effect than the para isomers; substituents of Class II inhibited this rearrangement almost totally but did cause a similar rearrangement. Thus, the ester with a m-O2N group was converted to I, while the para isomer yielded II. Both were formed through an intermediate 6-atom ring transition state. In the part of experimental materials, we found many familiar compounds, such as Ethyl 3-(4-chlorophenyl)propanoate(cas: 7116-36-1Recommanded Product: Ethyl 3-(4-chlorophenyl)propanoate)

Ethyl 3-(4-chlorophenyl)propanoate(cas: 7116-36-1) belongs to organochlorine compounds. Alkanes and aryl alkanes may be chlorinated under free radical conditions, with UV light. The haloform reaction, using chlorine and sodium hydroxide, is also able to generate alkyl halides from methyl ketones, and related compounds. Chloroform was formerly produced thus.Recommanded Product: Ethyl 3-(4-chlorophenyl)propanoate

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Product Details of 16629-19-9In 2022 ,《Visible-light photocatalytic radical addition-translocation-cyclization to construct sulfonyl-containing azacycles》 appeared in Chemical Communications (Cambridge, United Kingdom). The author of the article were Liang, Yu-Qing; Xu, Yi-Xin; Cai, Zhong-Jian; Ji, Shun-Jun. The article conveys some information:

Herein, a novel visible-light photocatalytic radical addition-translocation-cyclization (RATC) approach for the efficient synthesis of sulfonyl-containing azacycles is described. The reaction delivers a wide range of monocyclic, bicyclic and polycyclic azacycles by using easily prepared sodium sulfinates and N-homopropargylic amines as starting materials. Instead of the traditionally used toxic tin reagents and thermally hazardous azos in the RATC process, clean, renewable and sustainable visible light combined with a catalytic amount of photosensitizer is used in this process. Moreover, the successful transformation of some drug derivatives further highlights the potential application of this procedure. The results came from multiple reactions, including the reaction of Thiophene-2-sulfonyl chloride(cas: 16629-19-9Product Details of 16629-19-9)

Thiophene-2-sulfonyl chloride(cas: 16629-19-9) is a member of sulfonyl chlorides. Sulfonyl chlorides are reactive sulfonic acid derivatives similar in properties and reactivity to acid chlorides of carboxylates. The sulfonic acid group, however, is a highly hindered molecule, containing a tetrahedral configuration of substituents. Product Details of 16629-19-9

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

《Synthesis of di(hetero)aryl sulfides by defluorinative sulfenylation of polyfluoroalkyl ketones with sodium sulfinates or arylsulfonyl chlorides》 was written by Chu, Xue-Qiang; Xie, Ting; Wang, Ya-Wen; Li, Xiang-Rui; Rao, Weidong; Xu, Haiyan; Shen, Zhi-Liang. Application of 16629-19-9 And the article was included in Chemical Communications (Cambridge, United Kingdom) in 2020. The article conveys some information:

A facile incorporation of a privileged sulfide, naphthofurans e.g., 2-(perfluoroethyl)-3-(p-tolylthio)naphtho[1,2-b]furan framework, and a perfluoroalkyl moiety in one mol. was successfully accomplished through tandem defluorinative sulfenylation of α-perfluoroalkyl ketones e.g., 2-(Perfluorobutyl)-3,4-dihydronaphthalen-1(2H)-one with a sulfur source RS(O)ONa/RS(O)OCl (R = Ph, naphthalen-1-yl, thiophen-2-yl, etc.). The reaction presumably proceeds via a sequence involving defluorination, reductive sulfenylation, autoaromatization, and annulation, accompanied by the simultaneous cleavage of four C(sp3)-F bonds and the formation of new C-S and C-O bonds. The experimental process involved the reaction of Thiophene-2-sulfonyl chloride(cas: 16629-19-9Application of 16629-19-9)

Thiophene-2-sulfonyl chloride(cas: 16629-19-9) is a member of sulfonyl chlorides. Sulfonyl chlorides are reactive sulfonic acid derivatives similar in properties and reactivity to acid chlorides of carboxylates. The sulfonic acid group, however, is a highly hindered molecule, containing a tetrahedral configuration of substituents. Application of 16629-19-9

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

《Pd-catalyzed amidation of 1,3-diketones with CO and azides via a nitrene intermediate》 was published in Chemical Communications (Cambridge, United Kingdom) in 2020. These research results belong to Gu, Zheng-Yang; Chen, Jie; Xia, Ji-Bao. Computed Properties of C4H3ClO2S2 The article mentions the following:

An efficient Pd-catalyzed amidation of 1,3-diketones has been developed using carbon monoxide and organic azides. This reaction provides a step-economic approach to produce β-ketoamides from readily available compounds under mild ligand-, oxidant-, and base-free conditions. The mechanistic studies showed that the reaction occurred through an in situ generated isocyanate intermediate. The experimental part of the paper was very detailed, including the reaction process of Thiophene-2-sulfonyl chloride(cas: 16629-19-9Computed Properties of C4H3ClO2S2)

Thiophene-2-sulfonyl chloride(cas: 16629-19-9) is a member of sulfonyl chlorides. Sulfonyl chlorides are reactive sulfonic acid derivatives similar in properties and reactivity to acid chlorides of carboxylates. The sulfonic acid group, however, is a highly hindered molecule, containing a tetrahedral configuration of substituents. Computed Properties of C4H3ClO2S2

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

The author of 《Green synthesis of 1,2,3-triazoles via Cu2O NPs on hydrogen trititanate nanotubes promoted 1,3-dipolar cycloadditions》 were Bhoomireddy, Rajendra Prasad Reddy; Narla, L. G. Bhavani; Peddiahgari, Vasu Govardhana Reddy. And the article was published in Applied Organometallic Chemistry in 2019. Formula: C7H6Cl2 The author mentioned the following in the article:

Cu2O nanoparticles supported on hydrogen trititanate nanotubes (Cu2O/HTNT) catalysts have been efficiently catalyzed the multicomponent synthesis of 1,2,3-triazoles in water at room temperature from different azide precursors, for example organic halides, sulfonates and anilines. The catalysts were synthesized by hydrothermal & wet-impregnation methods and was characterized by HR-TEM, EDS, XRD, XPS, N2-adsorption desorption and ICP-MS anal. The catalyst could be recycled by centrifugation and reused up to seven cycles. The 1-benzyl-4-(4-chlorophenyl)-1H-1,2,3-triazole structure was proven by single crystal X-ray diffraction studies. In the experiment, the researchers used 3-Chlorobenzylchloride(cas: 620-20-2Formula: C7H6Cl2)

3-Chlorobenzylchloride(cas: 620-20-2) has been used in the reaction of 3-methoxybenzyl chloride and ethyl 4-bromobenzoate in pure water, using zinc dust and a Pd catalyst.Formula: C7H6Cl2

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

The author of 《Discovery and evaluation of novel synthetic 5-alkyl-4-oxo-4,5-dihydro-[1,2,4]triazolo[4,3-a]quinoxaline-1-carbox-amide derivatives as anti-inflammatory agents》 were Shen, Qing-Kun; Gong, Guo-Hua; Li, Gao; Jin, Mei; Cao, Li-Hua; Quan, Zhe-Shan. And the article was published in Journal of Enzyme Inhibition and Medicinal Chemistry in 2020. Name: 3-Chlorobenzylchloride The author mentioned the following in the article:

To develop novel anti-inflammatory agents, a series of 5-alkyl-4-oxo-4,5-dihydro-[1, 2, 4]triazolo[4,3-a]quinoxaline-1-carboxamide derivatives were designed, synthesized, and evaluated for anti-inflammatory effects using RAW264.7 cells. Structures of the synthesized compounds were determined using 1H NMR, 13 C NMR, and HRMS. All the compounds were screened for anti-inflammatory activity based on their inhibitory effects against LPS-induced NO release. Among them, 5-(3,4,5-trimethoxybenzyl)-4-oxo-4,5-dihydro-[1, 2, 4]triazolo[4,3-a]quinoxaline-1-carboxamide () showed the highest anti-inflammatory activity and inhibited NO release more potently than the lead compound . Further studies revealed that compound reduced the levels of NO, TNF-α, and IL-6, and that its anti-inflammatory activity involves the inhibition of COX-2 and iNOS and downregulation of the mitogen-activated protein kinases (MAPK) signal pathway. Notably, compound displayed more prominent anti-inflammatory activity than and the pos. control ibuprofen in the in vivo acute inflammatory model. Overall, these findings indicate that compound is a therapeutic candidate for the treatment of inflammation. The experimental part of the paper was very detailed, including the reaction process of 3-Chlorobenzylchloride(cas: 620-20-2Name: 3-Chlorobenzylchloride)

3-Chlorobenzylchloride(cas: 620-20-2) has been used in the reaction of 3-methoxybenzyl chloride and ethyl 4-bromobenzoate in pure water, using zinc dust and a Pd catalyst.Name: 3-Chlorobenzylchloride

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

《Field-based rational design of p300 histone acetyltransferase inhibitor and systematic evaluation as an anti-fibrotic agent》 was published in Chemical Communications (Cambridge, United Kingdom) in 2020. These research results belong to Hwang, Soo-Yeon; Park, Soo-Yeon; Hong, Jung Yeon; Lee, Soo Yeon; Shin, Jae-Ho; Na, Younghwa; Sohn, Myung Hyun; Yoon, Ho-Geun; Kwon, Youngjoo. Safety of 3-Chlorobenzylchloride The article mentions the following:

(E)-3-(3-(4-((3-Carbamoylbenzyl)oxy)-3-iodo-5-methoxyphenyl) acryloyl)benzamide (A6) was found to be a potent p300 inhibitor (IC50 = 870 nM) showing a similar binding mode to that of acetyl-CoA, a p300 substrate, and effective anti-fibrotic activity in both TGF-β1-stimulated lung fibroblast cells and bleomycin-induced in vivo lung fibrosis mice. In the experiment, the researchers used 3-Chlorobenzylchloride(cas: 620-20-2Safety of 3-Chlorobenzylchloride)

3-Chlorobenzylchloride(cas: 620-20-2) has been used in the reaction of 3-methoxybenzyl chloride and ethyl 4-bromobenzoate in pure water, using zinc dust and a Pd catalyst.Safety of 3-Chlorobenzylchloride

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Jiang, Yi-Min; Yu, Yi; Wu, Shao-Fen; Yan, Hong; Yuan, Yaofeng; Ye, Ke-Yin published an article in 2021. The article was titled 《Electrochemical fluorosulfonylation of styrenes》, and you may find the article in Chemical Communications (Cambridge, United Kingdom).Quality Control of Thiophene-2-sulfonyl chloride The information in the text is summarized as follows:

An environmentally friendly and efficient electrochem. fluorosulfonylation of styrenes were developed. With the use of sulfonylhydrazides and triethylamine trihydrofluoride, a diverse array of β-fluorosulfones were readily obtained. This reaction featured mild conditions and a broad substrate scope, which was conveniently extended to a gram-scale preparation In the experiment, the researchers used Thiophene-2-sulfonyl chloride(cas: 16629-19-9Quality Control of Thiophene-2-sulfonyl chloride)

Thiophene-2-sulfonyl chloride(cas: 16629-19-9) is a member of sulfonyl chlorides. Sulfonyl chlorides are reactive sulfonic acid derivatives similar in properties and reactivity to acid chlorides of carboxylates. The sulfonic acid group, however, is a highly hindered molecule, containing a tetrahedral configuration of substituents. Quality Control of Thiophene-2-sulfonyl chloride

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Donnelly, Kian; Baumann, Marcus published their research in Chemical Communications (Cambridge, United Kingdom) in 2021. The article was titled 《A continuous flow synthesis of [1.1.1]propellane and bicyclo[1.1.1]pentane derivatives》.Synthetic Route of C3H3ClO3 The article contains the following contents:

A continuous flow process to generate [1.1.1]propellane on demand is presented rendering solutions of [1.1.1]propellane that can directly be derivatized into various bicyclo[1.1.1]pentane (BCP) species I [R = H, I, phenylsulfanyl, (butan-2-yloxy)carbonyl, etc.; R1 = I, (4-tert-butylphenyl)sulfanyl, N-(4-fluorophenyl)carbamoyl, etc.]. This was realized in throughputs up to 8.5 mmol h-1 providing an attractive and straightforward access to gram quantities of selected BCP building block I (R = R1 = I). Lastly, a continuous photochem. transformation of [1.1.1]propellane into valuable BCPs bearing mixed ester/acyl chloride moieties II (R2 = Me, Et, i-Pr, dodecyl, butan-2-yl) was developed. In the experimental materials used by the author, we found Methyl 2-chloro-2-oxoacetate(cas: 5781-53-3Synthetic Route of C3H3ClO3)

Methyl 2-chloro-2-oxoacetate(cas: 5781-53-3) belongs to acyl chlorides. In the laboratory, acyl chlorides are generally prepared by treating carboxylic acids with thionyl chloride (SOCl2). The reaction is catalyzed by dimethylformamide and other additives.Synthetic Route of C3H3ClO3

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics