Tag: 100-200

On March 15, 2010, Tamura, Satoru; Kaneko, Masafumi; Shiomi, Atsushi; Yang, Guang-Ming; Yamaura, Toshiaki; Murakami, Nobutoshi published an article.Formula: C7H11ClO3 The title of the article was Unprecedented NES non-antagonistic inhibitor for nuclear export of Rev from Sida cordifolia. And the article contained the following:

Bioassay-guided separation from the MeOH extract of the South American medicinal plant Sida cordifolia resulted in isolation of (10E,12Z)-9-hydroxyoctadeca-10,12-dienoic acid (1) as an unprecedented NES non-antagonistic inhibitor for nuclear export of Rev. This mechanism of action was established by competitive experiment by the biotinylated probe derived from leptomycin B, the known NES antagonistic inhibitor. Addnl., structure-activity relationship anal. by use of the synthesized analogs clarified cooperation of several functionalities in the Rev-export inhibitory activity of 1. The experimental process involved the reaction of Methyl 6-chloro-6-oxohexanoate(cas: 35444-44-1).Formula: C7H11ClO3

The Article related to sida hydroxyoctadecadienoate inhibitor nuclear export rev protein, Plant Biochemistry: Composition and Products and other aspects.Formula: C7H11ClO3

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

On January 3, 2017, Cheung, Chi Wai; Ploeger, Marten Leendert; Hu, Xile published an article.COA of Formula: C7H11ClO3 The title of the article was Direct amidation of esters with nitroarenes. And the article contained the following:

Herein, nickel-catalyzed reductive coupling of unactivated esters with nitroarenes to furnish in one step a wide range of amides bearing functional groups relevant to the development of drugs and agrochems. has been reported. The method has been used to expedite the syntheses of bio-active mols. and natural products, as well as their post-synthetic modifications. Preliminary mechanistic study indicates a reaction pathway distinct from conventional amidation methods using anilines as nitrogen sources. The experimental process involved the reaction of Methyl 6-chloro-6-oxohexanoate(cas: 35444-44-1).COA of Formula: C7H11ClO3

The Article related to amide preparation, ester nitroarene reductive amidation, General Organic Chemistry: Synthetic Methods and other aspects.COA of Formula: C7H11ClO3

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

On August 20, 2009, Mangion, Ian K.; Nwamba, Ikenna K.; Shevlin, Michael; Huffman, Mark A. published an article.Category: chlorides-buliding-blocks The title of the article was Iridium-Catalyzed X-H Insertions of Sulfoxonium Ylides. And the article contained the following:

The unique reactivity of sulfoxonium ylides as a carbene source is described for a variety of X-H bond insertions, taking advantage of a simple, com. available iridium catalyst. This method has applications in both intra- and intermol. reactivity, including a practical ring-expansion strategy for lactams. The safety and stability of sulfoxonium ylides recommend them as preferable surrogates to traditional diazo ketones and esters. The experimental process involved the reaction of trimethyloxosulphonium chloride(cas: 5034-06-0).Category: chlorides-buliding-blocks

The Article related to sulfoxonium ylide iridium catalyst insertion reaction, General Organic Chemistry: Synthetic Methods and other aspects.Category: chlorides-buliding-blocks

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

Braendstroem, Arne; Lamm, Bo published an article in 1974, the title of the article was Trimethyloxosulfonium chloride from the iodide through ion pair extraction.Product Details of 5034-06-0 And the article contains the following content:

Trimethyloxosulfonium chloride (I) was prepared from the iodide (II) by extraction with Ph-CH2N+Bu3Cl- (III) between CH2Cl2 and H2O. Thus, III in H2O was shaken with II in CH2Cl2 and the aqueous phase washed with CH2Cl2 and then evaporated to give I. The experimental process involved the reaction of trimethyloxosulphonium chloride(cas: 5034-06-0).Product Details of 5034-06-0

The Article related to sulfonium trimethyloxo, Aliphatic Compounds: Sulfoxides and Sulfones and other aspects.Product Details of 5034-06-0

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

On December 31, 2021, Zhang, Zixue; Zhang, Qingwei; Zhang, Hao; Jiao, Minru; Guo, Zheng; Peng, Xinyan; Fu, Lei; Li, Jianqi published an article.Application In Synthesis of 2-Amino-4-chlorobenzoic acid The title of the article was Discovery of quinazolinyl-containing benzamides derivatives as novel HDAC1 inhibitors with in vitro and in vivo antitumor activities. And the article contained the following:

A series of quinazolinyl-containing benzamide derivatives were designed, synthesized and evaluated for their in vitro histone deacetylase 1 (HDAC1) inhibitory activities. Compounds 11a surpassed the known class I selective HDAC inhibitor MS-275 in both HDAC1 enzymic inhibitory activity and cellular anti-proliferative activity against a selected set of cancer cell types (Hut78, K562, Hep3B and HCT116 cells) with no observed effects on human normal cells. In particular, compound 11a inhibited HDAC1 over the other tested HDACs isoforms (HDAC2, HDAC6 and HDAC8) with acceptable safety profiles. Moreover, compound 11a displayed favorable oral pharmacokinetic properties and showed significant antitumor activity in the A549 tumor xenograft model in vivo. The experimental process involved the reaction of 2-Amino-4-chlorobenzoic acid(cas: 89-77-0).Application In Synthesis of 2-Amino-4-chlorobenzoic acid

The Article related to lung cancer hdac1 inhibitors quinazolinyl benzamide derivative, anti-proliferative activity, histone deacetylases, quinazolinyl, selectivity, tumor growth inhibition, Placeholder for records without volume info and other aspects.Application In Synthesis of 2-Amino-4-chlorobenzoic acid

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

On May 2, 1996, Signor, Angelo; Guerrato, Alfredo; Signor, Giovanni published a patent.Category: chlorides-buliding-blocks The title of the patent was Preparation of furosemide. And the patent contained the following:

Furosemide (I), known diuretic and antihypertensive agent (no data), was prepared by photochlorination of 4-chloro-2-fluoro-toluene followed by aminosulfonylation of 4-chloro-2-fluoro-benzotrichloride and condensation of 4-chloro-2-fluoro-5-(aminosulfonyl)benzoic acid with furfurylamine. The experimental process involved the reaction of 4-Chloro-2-fluorotoluene(cas: 452-75-5).Category: chlorides-buliding-blocks

The Article related to furosemide preparation diuretic antihypertensive, Heterocyclic Compounds (One Hetero Atom): Furans and other aspects.Category: chlorides-buliding-blocks

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

On January 28, 2022, Zhang, Yong; Lai, Guowei; Nie, Longjun; Lu, Dongliang; Fan, Xiaolin published a patent.Application In Synthesis of 2-Chloro-4-methyl-1-nitrobenzene The title of the patent was Difluorobenzyl reagent, its preparation method and application. And the patent contained the following:

The difluorobenzyl reagent has chem. structural formula I or II shown in claim 1, wherein R is R1 substituted Ph, etc.; R1 is H, etc.; Ar is R2 substituted 4-nitrobenzyl, etc.; R2 is H, etc. The difluorobenzyl reagent is 2-(2,4-dinitrophenyl)-2,2-difluoro-1-phenylethanone, etc. The preparation method includes performing first nucleophilic addition of 2,4-dinitrotoluene and aldehyde under condition of first catalyst (1,8-diazabicyclo[5.4.0]undec-7-ene, etc.) to obtain first nucleophilic structure, reacting with first oxidant (2-iodoxybenzoic acid, etc.) to obtain first oxidation structure, mixing with first selective fluorine reagent (1-chloromethyl-4-fluoro-1,4-diazabicyclo[2,2,2]octane bis(tetrafluoroborate) salt) and first additive (potassium phosphate, etc.), and performing first fluorination to obtain compound I. The preparation method further includes performing second nucleophilic addition reaction of nitro-substituted toluene and benzaldehyde under condition of second additive (1,8-diazabicyclo[5.4.0]undec-7-ene, etc.) to obtain second nucleophilic structure, reacting with second oxidant (2-iodoxybenzoic acid, etc.) to obtain second oxidation structure, mixing with second selective fluorine reagent (1-chloromethyl-4-fluoro-1,4-diazabicyclo[2,2,2]octane bis(tetrafluoroborate) salt) and third additive (potassium phosphate, etc.), and performing second fluorination to obtain compound II. The invention has potential medicinal value. The experimental process involved the reaction of 2-Chloro-4-methyl-1-nitrobenzene(cas: 38939-88-7).Application In Synthesis of 2-Chloro-4-methyl-1-nitrobenzene

The Article related to difluorobenzyl preparation application, Aliphatic Compounds: Nitro and Nitroso Compounds and other aspects.Application In Synthesis of 2-Chloro-4-methyl-1-nitrobenzene

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

On April 30, 2022, Hu, Chen; Ye, Baijun; Huang, Zedu; Chen, Fener published an article.COA of Formula: C7H11ClO3 The title of the article was Development of an engineered ketoreductase with improved activity, stereoselectivity and relieved substrate inhibition for enantioselective synthesis of a key (R)-α-lipoic acid precursor. And the article contained the following:

Me (R)-8-chloro-6-hydroxyoctanoate ((R)-MCHO, (R)-2a) is a key precursor that can be utilized in the production of (R)-α-lipoic acid ((R)-LA) of pharmaceutical and dietary significance. Owing to its high atom economy, maximum theor. yield of 100%, and environmentally friendliness, ketoreductase (KRED)-catalyzed stereoselective reduction of Me 8-chloro-6-oxooctanoate (MCOO, 1a), an ε-keto ester, represents an efficient yet challenging approach to the synthesis of (R)-2a. We report herein the development of a versatile KRED, referred to as SsCRL211H/V127A/L135I, through enzyme screening followed by structure-guided protein engineering, which was assisted by comparative anal. of enzyme-/substrate- binding modes in prereaction-state and free-state mol. dynamics (MD) simulations. This enzyme variant displayed 2.8-fold increased kcat (16.77 s-1) towards 1a relative to the wild-type SsCR, improved stereoselectivity (98.0% ee), and no substrate inhibition. Insights were gained on the origin of the enhancement of enzyme’s catalytic activity and stereoselectivity, by conducting complete deconvolution experiments and MD simulations. In the presence of 60 g·L-1 of wet E. coli cells coexpressing SsCRL211H/V127A/L135I and glucose dehydrogenase (GDH), and 0.05 mM NADP+, complete reduction of 260 g·L-1 of 1a was achieved furnishing (R)-2a with 98.0% ee with a space-time yield of 391 g·L-1·d-1, thereby showcasing the promising potential of this ketoreductase in the asym. synthesis of (R)-2a. The experimental process involved the reaction of Methyl 6-chloro-6-oxohexanoate(cas: 35444-44-1).COA of Formula: C7H11ClO3

The Article related to escherichia enantioselective ketoreductase alpha lipoic acid, Fermentation and Bioindustrial Chemistry: Other and other aspects.COA of Formula: C7H11ClO3

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

On October 2, 2020, Manna, Kartic; Begam, Hasina Mamataj; Samanta, Krishanu; Jana, Ranjan published an article.Related Products of 89-77-0 The title of the article was Overcoming the Deallylation Problem: Palladium(II)-Catalyzed Chemo-, Regio-, and Stereoselective Allylic Oxidation of Aryl Allyl Ether, Amine, and Amino Acids. And the article contained the following:

We report herein a Pd(II)/bis-sulfoxide-catalyzed intramol. allylic C-H acetoxylation of aryl allyl ether, amine, and amino acids with the retention of a labile allyl moiety. Mechanistically, the reaction proceeds through a distinct double-bond isomerization from the allylic to the vinylic position followed by intramol. carboxypalladation and the β-hydride elimination pathway. For the first time, C-H oxidation of N-allyl-protected amino acids to furnish five-membered heterocycles through 1,3-syn-addition is established with excellent diastereoselectivity. The experimental process involved the reaction of 2-Amino-4-chlorobenzoic acid(cas: 89-77-0).Related Products of 89-77-0

The Article related to palladium catalyst chemoselective regioselective stereoselective allylic oxidation allyl ether, deallylation stereoselective allylic oxidation allyl ether, General Organic Chemistry: Synthetic Methods and other aspects.Related Products of 89-77-0

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

On April 30, 2018, Sawatzky, Ryan S.; Stradiotto, Mark published an article.Recommanded Product: 452-75-5 The title of the article was (DPEPhos)Ni(mesityl)Br: An Air-Stable Pre-Catalyst for Challenging Suzuki-Miyaura Cross-Couplings Leading to Unsymmetrical Biheteroaryls. And the article contained the following:

The successful application of (DPEPhos)Ni(mesityl)Br as a pre-catalyst in the Suzuki-Miyaura cross-coupling of heteroaryl chlorides or bromides and heteroaryl boronic acids is reported. The use of (DPEPhos)Ni(mesityl)Br in this context allows for such reactions to be conducted under mild conditions (2 mol% Ni, 25 °C), including cross-couplings leading to unsym. biheteroaryls. Successful transformations of this type involving problematic pyridinyl boronic acid substrates (10 mol% Ni, 60 °C) are also described. The experimental process involved the reaction of 4-Chloro-2-fluorotoluene(cas: 452-75-5).Recommanded Product: 452-75-5

The Article related to heteroaryl halide heteroaryl boronic acid nickel suzuki miyaura, preparation unsym biheteroaryl, nickel suzuki miyaura cross coupling catalyst, General Organic Chemistry: Synthetic Methods and other aspects.Recommanded Product: 452-75-5

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