Category: chlorides-buliding-blocks

Liu, Zhi-Yun; Cook, Silas P. published an article in 2022. The article was titled 《Directed Ni-Catalyzed Reductive Arylation of Aliphatic C-H Bonds》, and you may find the article in Organic Letters.Recommanded Product: Methyl 2-chloro-2-oxoacetate The information in the text is summarized as follows:

Herein, authors describe a nickel-catalyzed reductive arylation of remote C(sp3)-H bonds with aryl electrophiles. The reaction targets secondary and tertiary C(sp3)-H bonds to deliver all-carbon quaternary centers. The success of this method relies on a novel amidyl radical precursor that tolerates reducing conditions-O-oxalate hydroxamic acid esters. After reading the article, we found that the author used Methyl 2-chloro-2-oxoacetate(cas: 5781-53-3Recommanded Product: Methyl 2-chloro-2-oxoacetate)

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.Recommanded Product: Methyl 2-chloro-2-oxoacetate

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

Huo, Yong-Wang; Qi, Xinxin; Wu, Xiao-Feng published an article in 2022. The article was titled 《Nickel-Catalyzed Carbonylative Synthesis of α,β-Unsaturated Thioesters from Vinyl Triflates and Arylsulfonyl Chlorides》, and you may find the article in Organic Letters.Electric Literature of C6H4Cl2O2S The information in the text is summarized as follows:

A straightforward and efficient synthesis of α,β-unsaturated thioesters RC(O)SR1 [R = cyclopenten-1-yl, cyclohexen-1-yl, 3,4-dihydronaphthalen-1-yl, etc.; R1 = 4-MeC6H4, 4-FC6H4, 4-MeOC6H4, etc.] had been developed via a nickel-catalyzed thiocarbonylation reaction of vinyl triflates with arylsulfonyl chlorides. With Mo(CO)6 as both CO source and reductant, a variety of α,β-unsaturated thioesters were obtained in moderate to good yields with very good functional group compatibility. It was noteworthy that the present method was the first example on nickel-catalyzed carbonylative synthesis of α,β-unsaturated thioesters by using arylsulfonyl chlorides as the coupling partner. In the part of experimental materials, we found many familiar compounds, such as 4-Chlorobenzenesulfonyl chloride(cas: 98-60-2Electric Literature of C6H4Cl2O2S)

4-Chlorobenzenesulfonyl chloride(cas: 98-60-2) 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.Electric Literature of C6H4Cl2O2S

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

Wang, Qian; Xia, Yihao; Chen, Zhijian; Wang, Yifan; Cheng, Fanrui; Qin, Lei; Zheng, Zhiping published an article in 2022. The article was titled 《Hydrogen Production via Aqueous-Phase Reforming of Ethanol Catalyzed by Ruthenium Alkylidene Complexes》, and you may find the article in Organometallics.Recommanded Product: Benzylidenebis(tricyclohexylphosphine)dichlororuthenium The information in the text is summarized as follows:

A series of ruthenium alkylidene complexes were adopted to catalyze aqueous-phase reforming of ethanol for H2 production at readily achievable temperatures (<100°). The best results were obtained using (SIMes)Ru(PCy3)(3-methyl-2-butenylidene)Cl2 (SIMes, 1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidene; PCy3, tricyclohexylphosphine) with a five-day reaction producing a maximum turnover number (TON) of 47,295; this value is the second-largest one known for homogeneously catalyzed ethanol dehydrogenation. Kinetic experiments confirmed that the reforming process undergoes a second-order reaction kinetics, with both ethanol and water contributing to H2 production Analyses of the reaction mixture using an in situ 1H NMR experiment revealed a possible intermediate coordinated with a hydride ligand, based on which and previous work a plausible mechanism was proposed. In addition to this study using Benzylidenebis(tricyclohexylphosphine)dichlororuthenium, there are many other studies that have used Benzylidenebis(tricyclohexylphosphine)dichlororuthenium(cas: 172222-30-9Recommanded Product: Benzylidenebis(tricyclohexylphosphine)dichlororuthenium) was used in this study.

Benzylidenebis(tricyclohexylphosphine)dichlororuthenium(cas: 172222-30-9) is a ruthenium-based olefin metathesis catalyst. It is useful for olefin cross metathesis (CM) and ring closing metathesis (RCM) of terminal olefins under a variety of reactions conditions, and so on.Recommanded Product: Benzylidenebis(tricyclohexylphosphine)dichlororuthenium

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

Yuan, Zhi-ying; Zhang, Shuai; Teng, Fan; Jin, Xue-Feng; Sheng, Wen-bing; Gui, Qing-Wen published an article in 2022. The article was titled 《Iodide Salt Mediated Synthesis of β-Keto Sulfones Using Arylsulfonyl Chlorides as the Sulfur Sources》, and you may find the article in ChemistrySelect.Recommanded Product: 98-60-2 The information in the text is summarized as follows:

An efficient, green strategy was developed to synthesize β-keto sulfones using available and inexpensive sulfonyl chlorides as a sulfur source in reaction with aromatic alkenes in the presence of cheap iodide. It was particularly pointed out that this method involved the construction of C-S bonds and the desired product can be obtained either through the free radical pathway. This agreement involved a green and simple synthesis method, and was functionalized with styrene and the present method is applicable to a wide range of benzenesulfonyl chloride compounds and styrenes with a variety of functional groups. In the experiment, the researchers used 4-Chlorobenzenesulfonyl chloride(cas: 98-60-2Recommanded Product: 98-60-2)

4-Chlorobenzenesulfonyl chloride(cas: 98-60-2) belongs to organochlorine compounds. Many organochlorine compounds have been isolated from natural sources ranging from bacteria to humans. Recommanded Product: 98-60-2 Chlorinated organic compounds are found in nearly every class of biomolecules and natural products including alkaloids, terpenes, amino acids, flavonoids, steroids, and fatty acids.

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

Liu, Bingxian; Yang, Lingyun; Dong, Zhenzhen; Chang, Junbiao; Li, Xingwei published an article in 2021. The article was titled 《Rh(III)-Catalyzed Annulation of 2-Biphenylboronic Acid with Diverse Activated Alkenes》, and you may find the article in Organic Letters.Synthetic Route of C6H6BFO2 The information in the text is summarized as follows:

Rhodium(III)-catalyzed annulation of 2-biphenylboronic acids I (R = R1 = H; R = 4-Me, R1 = 4-Me; R = 6-MeO, R1 = 2′-MeO; R = 5-F, R1 = 3′-F; etc.) with three classes of activated alkenes, e.g., (E)-R2C(O)CH=CHCF3 (R2 = 4-MeC6H4, naphthalen-1-yl, furan-2-yl, etc.), II (R3 = n-Pr, Ph, 2-BrC6H4, etc.), and cyclohex-2-en-1-one, has been realized, leading to the synthesis of fused or bridged cyclic skeletons, e.g., III (R4 = R5 = H; R4 = 2-Me, R5 = 7-Me; R4 = 4-MeO, R5 = 5-MeO ) and IV (R6 = R7 = H; R6 = 1-F, R7 = 11-F; R6 = 3-tert-Bu, R7 = 9-tert-Bu; etc.), via transmetalation-initiated C-H activation. In the annulative coupling of 2-biphenylboronic acid with a CF3-substituted enone, the bulky cyclopentadienyl ligand (CptBu) in the catalyst proved effective in promoting the reductive elimination process prior to protonolysis, affording the [4+2]-annulated products III instead of the simple 1,4-addition product. Seven-membered rings IV were obtained when disubstituted cyclopropenones II were employed. Bridged cycles V (R8 = H, Me) and 2-(tert-butyl)triphenylene-1,4-dione were isolated from the coupling of 2-biphenylboronic acid with benzoquinone, 2-methylbenzoquinone, and 2-(tert-butyl)benzoquinone as a result of 2-fold Michael additions The substrate scopes were found to be broad with up to 99% yield under air-tolerant conditions. In the experiment, the researchers used (3-Fluorophenyl)boronic acid(cas: 768-35-4Synthetic Route of C6H6BFO2)

(3-Fluorophenyl)boronic acid(cas: 768-35-4) can be used to make novel liquid crystalline fluorobiphenylcyclohexenes and difluoroterphenyls by palladium-catalyzed cross-couplings also used in the synthesis of o-phenylphenols as potent leukotriene B4 receptor agonists.Synthetic Route of C6H6BFO2

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

Cui, Guo-Qing; Dai, Jing-Cheng; Li, Yan; Li, Yuan-Bo; Hu, Duo-Duo; Bian, Kang-Jie; Sheng, Jie; Wang, Xi-Sheng published their research in Organic Letters in 2021. The article was titled 《Copper-Catalyzed Enantioselective Arylation via Radical-Mediated C-C Bond Cleavage: Synthesis of Chiral ω,ω-Diaryl Alkyl Nitriles》.Computed Properties of C6H6BFO2 The article contains the following contents:

The first example of copper-catalyzed ring-opening, enantioselective arylation of cyclic ketoxime esters to access ω,ω-diaryl alkyl nitriles has been developed in high yield (up to 92% yield) with excellent enantioselectivity (up to 91% ee). Side-arm bis(oxazoline) ligand plays a significant role in this asym. catalytic transformation, which provides an efficient route to construct diverse chiral ω,ω-diaryl alkyl nitriles. Synthetic utility has also been demonstrated in the further derivatization of the ω,ω-diaryl alkyl nitrile to corresponding amide. In the experiment, the researchers used (3-Fluorophenyl)boronic acid(cas: 768-35-4Computed Properties of C6H6BFO2)

(3-Fluorophenyl)boronic acid(cas: 768-35-4) can be used to make novel liquid crystalline fluorobiphenylcyclohexenes and difluoroterphenyls by palladium-catalyzed cross-couplings also used in the synthesis of o-phenylphenols as potent leukotriene B4 receptor agonists.Computed Properties of C6H6BFO2

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

Yan, Tingting; Babu, Kaki Raveendra; Wu, Yong; Li, Yang; Tang, Yuhai; Xu, Silong published their research in Organic Letters in 2021. The article was titled 《Phosphine-Catalyzed Cross-Coupling of Benzyl Halides and Fumarates》.HPLC of Formula: 622-95-7 The article contains the following contents:

A phosphine-catalyzed olefinic cross-coupling between benzyl halides and fumarates was described, which affords trisubstituted alkenes I [R = Me, Et, Bu; R1 = Ph, 4-MeC6H4, 3-MeOC6H4, etc.] in good yields and excellent E-selectivity under metal-free conditions. Mechanistic studies suggested a catalytic cycle involving phosphorus ylide formation, Michael addition, water-assisted hydrogen transfer and phosphine elimination. In the experimental materials used by the author, we found 1-(Bromomethyl)-4-chlorobenzene(cas: 622-95-7HPLC of Formula: 622-95-7)

1-(Bromomethyl)-4-chlorobenzene(cas: 622-95-7) may be used to synthesize 1-(4-chlorobenzyl)-2-(pyrrolidin-1-yl-methyl)-1H-benzimidazole dihydrochloride.HPLC of Formula: 622-95-7 It can be synthesized by reacting 4-chlorobenzyl alcohol with bromodimethylsulfonium bromide (BDMS) It can also be synthesized by refluxing a mixture of 4-chlorobenzaldehyde, chlorotrimethylsilane, 1,1,3,3-tetramethyldisiloxane and lithium bromide.

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

《Electrochemical Radical-Radical Cross-Coupling Approach between Sodium Sulfinates and 2H-Indazoles to 3-Sulfonylated 2H-Indazoles》 was written by Kim, Wansoo; Kim, Hun Young; Oh, Kyungsoo. Recommanded Product: Thiophene-2-sulfonyl chloride And the article was included in Organic Letters in 2020. The article conveys some information:

A direct cross-coupling between sodium sulfinates and 2H-indazoles has been developed under electrochem. conditions. The utilization of a graphite anode and platinum cathode in an undivided cell with a constant current of 7 mA allowed the concurrent oxidations of sulfinates and 2H-indazoles to sulfonyl radical and radical cationic 2H-indazoles, facilitating the direct radical-radical coupling strategy to 3-sulfonylated 2H-indazole derivatives The transition-metal- and redox-reagent-free synthetic approach should serve as a valuable synthetic tool to achieve heteroaromatic compounds In the experiment, the researchers used many compounds, for example, Thiophene-2-sulfonyl chloride(cas: 16629-19-9Recommanded Product: 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. Recommanded Product: Thiophene-2-sulfonyl chloride

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

《Electrochemical Annulation-Iodosulfonylation of 1,5-Enyne-containing para-Quinone Methides (p-QMs) to Access (E)-Spiroindenes》 was written by Zuo, Hang-Dong; Hao, Wen-Juan; Zhu, Chi-Fan; Guo, Cheng; Tu, Shu-Jiang; Jiang, Bo. Product Details of 98-60-2 And the article was included in Organic Letters in 2020. The article conveys some information:

A new electrochem. three-component annulation-iodosulfonylation of 1,5-enyne-containing para-quinone methides (p-QMs) has been established by using available arylsulfonyl hydrazides and potassium iodide under environmentally benign conditions. The electrosynthesis offers sustainable and efficient access to construct spirocyclohexadienone-containing (E)-indenes without any addnl. catalyst or oxidant through a sulfonyl-radical-triggered 1,6-addition and an I+-mediated ipso-cyclization cascade. Notably, potassium iodide plays the triple role of an electrolyte, a redox catalyst, as well as an iodination reagent. The experimental part of the paper was very detailed, including the reaction process of 4-Chlorobenzenesulfonyl chloride(cas: 98-60-2Product Details of 98-60-2)

4-Chlorobenzenesulfonyl chloride(cas: 98-60-2) belongs to organochlorine compounds. Alkanes and aryl alkanes may be chlorinated under free radical conditions, with UV light. However, the extent of chlorination is difficult to control. Aryl chlorides may be prepared by the Friedel-Crafts halogenation, using chlorine and a Lewis acid catalyst.Product Details of 98-60-2

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

《A general and practical sulfonylation of benzylic ammonium salts with sulfonyl hydrazides for the synthesis of sulfones》 was published in Tetrahedron Letters in 2020. These research results belong to Zhu, Haibo; Zhang, Yingying; Liu, Yishuai; Yang, Liu; Xie, Zongbo; Jiang, Guofang; Le, Zhang-Gao. Recommanded Product: 4-Chlorobenzenesulfonyl chloride The article mentions the following:

A practical and efficient approach adopting transition-metal-free cross-coupling of sulfonyl hydrazides with benzyl ammonium salts was developed to synthesize benzyl sulfones using Cs2CO3 as base under mild conditions. The protocol employed stable and easy to handle coupling partners, and was endowed with good substrate compatibility, leading to functional benzyl sulfones in good yields. In the experiment, the researchers used many compounds, for example, 4-Chlorobenzenesulfonyl chloride(cas: 98-60-2Recommanded Product: 4-Chlorobenzenesulfonyl chloride)

4-Chlorobenzenesulfonyl chloride(cas: 98-60-2) belongs to organochlorine compounds. Alkanes and aryl alkanes may be chlorinated under free radical conditions, with UV light. Recommanded Product: 4-Chlorobenzenesulfonyl chloride However, the extent of chlorination is difficult to control. Aryl chlorides may be prepared by the Friedel-Crafts halogenation, using chlorine and a Lewis acid catalyst.

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