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4670-56-8

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4670-56-8 Usage

Synthesis Reference(s)

Journal of the American Chemical Society, 102, p. 3534, 1980 DOI: 10.1021/ja00530a038

Check Digit Verification of cas no

The CAS Registry Mumber 4670-56-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,6,7 and 0 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 4670-56:
(6*4)+(5*6)+(4*7)+(3*0)+(2*5)+(1*6)=98
98 % 10 = 8
So 4670-56-8 is a valid CAS Registry Number.
InChI:InChI=1/C9H10O3/c1-6-3-4-7(8(10)5-6)9(11)12-2/h3-5,10H,1-2H3

4670-56-8 Well-known Company Product Price

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  • Alfa Aesar

  • (H64793)  Methyl 4-methylsalicylate, 98+%   

  • 4670-56-8

  • 5g

  • 326.0CNY

  • Detail
  • Alfa Aesar

  • (H64793)  Methyl 4-methylsalicylate, 98+%   

  • 4670-56-8

  • 25g

  • 1303.0CNY

  • Detail

4670-56-8Relevant academic research and scientific papers

Rhodium(III)-Catalyzed Oxidative Intramolecular 1,1-Oxyamination of Alkenes with Protected Amino Acids to Produce Oxazoloisoindole-2,5-diones

Takahashi, Hiroto,Nagashima, Yuki,Tanaka, Ken

supporting information, p. 1891 - 1895 (2021/04/05)

It has been established that an electron-deficient bis(ethoxycarbonyl)-substituted cyclopentadienyl (CpE) rhodium(III) complex catalyzes the oxidative intramolecular 1,1-oxyamination of alkenes with N-benzoyl amino acids to produce oxazoloisoindole-2,5-diones. Experimental and theoretical mechanistic studies revealed that this oxidative 1,1-oxyamination proceeds via not the aza-Wacker reaction but the formation of a rhoda(III)oxazolidine initiated by the carboxylic acid-directed N?H bond cleavage.

Bisthioureas of pimelic acid and 4-methylsalicylic acid derivatives as selective inhibitors of tissue-nonspecific alkaline phosphatase (TNAP) and intestinal alkaline phosphatase (IAP): Synthesis and molecular docking studies

Iqbal, Jamshed,Mahmood, Abid,Mumtaz, Amara,Pelletier, Julie,Sévigny, Jean,Saeed, Aamer,Saeed, Kiran,Zaib, Sumera

, (2020/06/26)

Alkaline phosphatases (ALPs) are membrane bound metalloenzymes, distributed all over the body. Recent studies have revealed that by targeting ALPs can lead towards the treatment of many deadliest diseases including cardiac, cancerous and brain diseases. Thioureas and their derivatives are of considerable significance and are privileged scaffolds in medicinal chemistry. They show a wide range of pharmacological activities such as antibacterial, antiparasitic, anti-inflammatory and antioxidants etc. On the other hand, salicylic acid and its derivatives are known for its broad spectrum of activities. The work presented comprises of synthesis of N-acyl-N'-aryl substituted bisthioureas of pimelic acid (1–7) and 3,5-dimethyl pyrazole (11), 1-aroyl-3-aryl thiourea (12) and 1,3,4-oxadiazole (13) derivatives of 4-methyl salicylic acid. Structures of all the synthesized compounds were characterized by FT-IR and 1H NMR spectroscopic analysis. Synthesized compounds were evaluated for their alkaline phosphatases inhibition potential and exhibited high potency as well as selectivity towards h-TNAP and h-IAP. Compound 7 and 12 which were the bisthiourea derivative of pimmelic acid and thiourea derivative of 4-methyl salicylic acid, respectively, showed excellent selectivity against h-TNAP and h-IAP, respectively.

Synthesis and biological evaluation of novel 5,6,7-trimethoxy flavonoid salicylate derivatives as potential anti-tumor agents

Deng, Xiangping,Feng, Wanshi,Lei, Xiaoyong,Liu, Renbo,Peng, Yijiao,Tang, Guotao,Xie, Zhizhong,Xiong, Runde,Zheng, Xing,Zou, Yang

, (2020/02/13)

5,6,7-Trimethoxy flavonoid salicylate derivatives were designed by the joining of three important pharmacophores (TMP, flavonoid, and SA) according to the combination principle. A series of novel trimethoxy flavonoid salicylate derivatives were synthesized and their in vitro anti-tumor activities were evaluated. Among these derivatives, compound 7f exhibited excellent antiproliferative activity against HGC-27 cells and MGC-803 cells with IC50 values of 10.26 ± 6.94 μM and 17.17 ± 3.03 μM, respectively. Subsequently, the effects on cell colony formation (clonogenic survival assay), cell migration (wound healing assay), cell cycle distribution (PI staining assay), cell apoptosis (Hoechst 33258 staining assay and annexin V-FITC/PI dual staining assay), lactate level (lactate measurement), microtubules disarrangement (immunofluorescence staining analysis) and docking posture (molecular docking simulation) were determined. Further western blot analysis confirmed that compound 7f could effectively down-regulate the expression of glycolysis-related proteins HIF-1α, PFKM and PKM2 and tumor angiogenesis-related proteins VEGF. Overall, these studies suggested that compound 7f, as the representative compound of those, might be a promising candidate for the treatment of gastric cancer and deserved the further studies.

POLYCYCLIC AMIDES AS MUSCARINIC M1 RECEPTOR POSITIVE ALLOSTERIC MODULATORS

-

Page/Page column 22, (2019/05/15)

The present invention relates to compounds of formula (I), or their isotopic forms, stereoisomers, tautomers or pharmaceutically acceptable salt (s) thereof as muscarinic M1 receptor positive allosteric modulators (M1 PAMs). The present invention describes the preparation, pharmaceutical composition and the use of compound formula (I).

π-Expanded Thioxanthones – Engineering the Triplet Level of Thioxanthone Sensitizers for Lanthanide-Based Luminescent Probes with Visible Excitation

Dansholm, Charlotte Nybro,Junker, Anne Kathrine R.,Nielsen, Lea G.,Kofod, Nicolaj,Pal, Robert,S?rensen, Thomas Just

, p. 1778 - 1788 (2019/07/15)

Bright lanthanide based probes for optical bioimaging must rely on the antenna principle, where the lanthanide-centred excited state is formed by a complex sensitization process. Efficient sensitization of lanthanide-centred emission occurs via triplet states centred on the sensitizing chromophore. Here, the triplet state of thioxanthone chromophores is modulated by extending the π-system. Three thioxanthone chromophores-thioxanthone, benzo[c]thioxanthone, and naphtho[2,3-c]thioxanthone were synthesised and characterised. The triplet state energies and lifetimes is found to change as expected, and two dyes are found to be suitable sensitizers for europium(iii) luminescence. Reactive derivatives of thioxanthone and benzo[c]thioxanthone were prepared and coupled to a 1,4,7,10-tetraazacyclododecane-1,4,7-triacetic acid (DO3A) lanthanide binding pocket. The photophysics and the performance in optical bioimaging of the resulting europium(iii) complexes were investigated. It is concluded that while the energetics favour efficient sensitization, the solution structure does not. While it was found that the complexes are too lipophilic to be efficient luminescent probes for optical bioimaging, we successfully demonstrated bioimaging using europium(iii) luminescence following 405 nm excitation.

Design, synthesis, and preliminary biological evaluation of 3′,4′,5′-trimethoxy flavonoid salicylate derivatives as potential anti-tumor agents

Deng, Xiangping,Liu, Renbo,Li, Junjian,Li, Zhongli,Liu, Juan,Xiong, Runde,Lei, Xiaoyong,Zheng, Xing,Xie, Zhizhong,Tang, Guotao

, p. 1874 - 1884 (2019/01/28)

According to the pharmacophore combination principle, a set of new 3′,4′,5′-trimethoxy flavonoid salicylate derivatives were designed, synthesized, and evaluated for biological activity. The cytotoxicity evaluation revealed that compound 10v exhibited higher potency than 5-Fu against HCT-116 cells. Preliminary biological activity studies showed that compound 10v could inhibit the colony formation and migration of HCT-116 cells. Besides, the Hoechst 33258 staining assay and flow cytometry revealed that treatment with compound 10v induced the apoptosis of HCT-116 cells in a concentration-dependent manner, while it had no effect on their cell cycle. The WB analysis suggested that HIF-1α, tubulin, HK-2, and PFK might be the potential pharmacophore targets of compound 10v. Tubulin was a potential drug target for compound 10v, which was explained by analyzing the crystal structure of compound 10v complexed with tubulin. These results indicated that compound 10v might be a promising anti-tumor agent candidate, deserving further optimization and evaluation.

Microwave-Assisted Synthesis of Benzofuran-3(2H)-ones

Hu, Xiaojing,Lai, Huimin,Zhao, Fangfei,Hu, Shuyu,Sun, Qianqian,Fang, Lizhen

, p. 745 - 750 (2019/10/14)

A new method for the synthesis of benzofuran-3(2H)-ones under microwave conditions was developed. The reaction conditions were screened, and the scope of benzoate substrates was investigated. The results showed that our method could provide rapid access to these important dihydrobenzofuranones in 43% to 58% yields.

C-GLUCOSIDE DERIVATIVE CONTAINING FUSED PHENYL RING OR PHARMACEUTICALLY ACCEPTABLE SALT THEREOF, PROCESS FOR PREPARING SAME, AND PHARMACEUTICAL COMPOSITION COMPRISING SAME

-

Paragraph 0237-0238, (2018/12/04)

The present disclosure relates to C-glycoside derivatives having a fused phenyl ring or pharmaceutical acceptable salts thereof, a method for preparing the same, a pharmaceutical composition comprising the same, a use thereof and a method for dual inhibition of SGLT1 and SGLT2 using the same. A novel compound of the present disclosure has a dual inhibitory activity against SGLT1 and SGLT2, thus being valuably used as a diabetes therapeutic agent.

Antifungal activity of cinnamic acid and benzoic acid esters against Candida albicans strains

Lima, Tamires C.,Ferreira, Alana R.,Silva, Daniele F.,Lima, Edeltrudes O.,de Sousa, Dami?o P.

, p. 572 - 575 (2017/09/30)

Candida albicans is an important opportunistic fungal pathogen capable of provoking infection in humans. In the present study, we evaluated the antifungal effect of 23 ester derivatives of the cinnamic and benzoic acids against 3 C. albicans strains (ATCC-76645, LM-106 and LM-23), as well as discuss their Structure–Activity Relationship (SAR). The antifungal assay results revealed that the screened compounds exhibited different levels of activity depending on structural variation. Among the ester analogues, methyl caffeate (5) and methyl 2-nitrocinnamate (10) were the analogues that presented the best antifungal effect against all C. albicans strains, presenting the same MIC values (MIC?=?128?μg/mL), followed by methyl biphenyl-2-carboxylate (21) (MIC?=?128, 128 and 256?μg/mL for C. albicans LM-106, LM-23, and ATCC-76645, respectively). Our results suggest that certain molecular characteristics are important for the antifungal action.

Synthesis technology of C-Fos/AP-1 inhibitor

-

Paragraph 0071; 0072; 0073; 0074; 0075; 0076, (2019/01/08)

The invention belongs to the technical field of pharmaceutical synthesis and especially relates to a synthesis technology of a C-Fos/AP-1 inhibitor. Starting from cheap raw materials 2,4-dimethoxybenzoic acid and 2-methoxyphenylpropionic acid, acid chloride is prepared by using thionyl chloride, and a Friedel-Crafts acylation reaction is carried out under the catalysis of aluminium trichloride soas to obtain a coupled product; then, pyridine hydrobromide and sodium chloride are used to react at 160 DEG C for 30 minutes to complete the demethylation for synthesis of lactonic ring by one step,and the product can be directly used in the next reaction without purification; the cyclopentyl group is introduced by nucleophilic substitution; the lactone ring is opened to form methyl ester; afterpurification, a benzoisoxazolyl group is introduced by nucleophilic substitution, and a protecting group is taken off to prepare the final product T5224. The route of the invention is short, and onlythe Friedel-Crafts acylation, lactone ring opening and introduction of the benzoisoxazolyl group require the step of purification. The cost of the raw materials is low, and the reaction time of the process route is short. The synthesis technology is suitable for industrial production.

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