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5-(3-nitrophenyl)-1,3,4-oxadiazol-2-amine is a chemical compound with the molecular formula C7H5N3O3. It is a derivative of the oxadiazole ring system, which is a five-membered heterocyclic ring containing two nitrogen atoms and one oxygen atom. This specific compound features a 3-nitrophenyl group attached to the oxadiazole ring, which imparts unique chemical and physical properties. It is often used as an intermediate in the synthesis of various pharmaceuticals and agrochemicals due to its reactivity and stability. The presence of the nitro group also makes it a potential candidate for further functionalization and modification in chemical reactions.

7659-02-1

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7659-02-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 7659-02-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,6,5 and 9 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 7659-02:
(6*7)+(5*6)+(4*5)+(3*9)+(2*0)+(1*2)=121
121 % 10 = 1
So 7659-02-1 is a valid CAS Registry Number.
InChI:InChI=1/C8H6N4O3/c9-8-11-10-7(15-8)5-2-1-3-6(4-5)12(13)14/h1-4H,(H2,9,11)

7659-02-1Relevant articles and documents

Synthesis, telomerase inhibitory and anticancer activity of new 2-phenyl-4H-chromone derivatives containing 1,3,4-oxadiazole moiety

Han, Xu,Liu, Xin Hua,Ma, Duo,Yu, Yun Long,Zhang, Zhao Yan

, p. 344 - 360 (2021/01/06)

Based on previous studies, 66 2-phenyl-4H-chromone derivatives containing amide and 1,3,4-oxadiazole moieties were prepared as potential telomerase inhibitors. The results showed most of the title compounds exhibited significantly inhibitory activity on telomerase. Among them, some compounds demonstrated the most potent telomerase inhibitory activity (IC50 50 = 6.41 μM). In addition, clear structure–activity relationships were summarised, indicating that the substitution of the methoxy group and the position, type and number of the substituents on the phenyl ring had significant effects on telomerase activity. Among them, compound A33 showed considerable inhibition against telomerase. Flow cytometric analysis showed that compound A33 could arrest MGC-803 cell cycle at G2/M phase and induce apoptosis in a concentration-dependent way. Meanwhile, Western blotting revealed that this compound could reduce the expression of dyskerin, which is a fragment of telomerase.

Synthesis, in vitro α-glucosidase inhibitory potential and molecular docking studies of 2-amino-1,3,4-oxadiazole derivatives

Ullah, Hayat,Rahim, Fazal,Taha, Muhammad,Hussain, Raffaqat,Wadood, Abdul,Nawaz, Mohsan,Wahab, Zainul,Kanwal,Khan, Khalid M.

, p. 724 - 734 (2020/08/19)

Background: In the recent past, we have synthesized and reported different derivatives of oxadiazoles as potential α-glucosidase inhibitors, keeping in mind, the pharmacological aspects of oxadiazole moiety and in continuation of our ongoing research on the chemistry and bioactivity of new heterocyclic compounds. Methods: 1,3,4-Oxadiazole derivatives (1-14) have been synthesized and characterized by different spectroscopic techniques such as1 H-,13 C-NMR and HREI-MS. Results: The synthetic derivatives were screened for α-glucosidase inhibitory potential. All compounds exhibited good inhibitory activity with IC50 values ranging between 0.80 ± 0.1 to 45.1 ± 1.7 μM in comparison with the standard acarbose having IC50 value 38.45 ± 0.80 μM. Conclusion: Thirteen compounds 1-6 and 8-14 showed potential inhibitory activity as compared to the standard acarbose having IC50 value 38.45 ± 0.80 μM, however, only one compound 7 (IC50 = 45.1 ± 1.7 μM) was found to be less active. Compound 14 (IC50 = 0.80 ± 0.1 μM) showed promising inhibitory activity among all synthetic derivatives. Molecular docking studies were also conducted for the active compounds to understand the ligand-enzyme binding interactions.

A 2-amino-5-substituted -1, 3, 4-oxadiazoles and its preparation method and application

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Paragraph 0042-0044, (2017/01/12)

The invention relates to 2-amido-5-substituted-1,3,4-oxadiazole as well as a preparation method and application thereof. The preparation method comprises the following steps: adding semicarbazone, manganese dioxide and pyridine into a reaction vessel, rea

Photocatalytic oxidative heterocyclization of semicarbazones: An efficient approach for the synthesis of 1,3,4-oxadiazoles

Kapoorr, Ritu,Singh, Sachchida N.,Tripathi, Shubhangi,Yadav, Lal Dhar S.

supporting information, p. 1201 - 1206 (2015/06/02)

Abstract A highly efficient eosin Y catalyzed oxidative heterocyclization of semicarbazones was established under visible-light photoredox catalysis using CBr4 as a bromine source. The protocol renders a rapid, mild, and efficient access to val

Synthesis of 2-amino-1,3,4-oxadiazoles and 2-Amino-1,3,4-thiadiazoles via sequential condensation and I2-mediated oxidative C-O/C-S bond formation

Niu, Pengfei,Kang, Jinfeng,Tian, Xianhai,Song, Lina,Liu, Hongxu,Wu, Jie,Yu, Wenquan,Chang, Junbiao

, p. 1018 - 1024 (2015/01/30)

2-Amino-substituted 1,3,4-oxadiazoles and 1,3,4-thiadiazoles were synthesized via condensation of semicarbazide/thiosemicarbazide and the corresponding aldehydes followed by I2-mediated oxidative C-O/C-S bond formation. This transition-metal-free sequential synthesis process is compatible with aromatic, aliphatic, and cinnamic aldehydes, providing facile access to a variety of diazole derivatives bearing a 2-amino substituent in an efficient and scalable fashion.

A Highly Efficient Diversification of 2-Amino/Amido-1,3,4-oxadiazole and 1,3,4-Thiadiazole Derivatives via Reagent-Based Cyclization of Thiosemicarbazide Intermediate on Solid-Phase

Yang, Seung-Ju,Choe, Ji-Hye,Abdildinova, Aizhan,Gong, Young-Dae

, p. 732 - 741 (2015/12/23)

A 2-amino/amido-1,3,4-oxadiazole and 1,3,4-thiadiazole library has been constructed on solid-phase organic synthesis. The key step on this solid-phase synthesis involves the preparation of polymer-bound 2-amino-1,3,4-oxadiazole and 1,3,4-thiadiazole core

A Facile microwave assisted synthesis and spectral analysis of 2-amino-5-substituted phenyl-1,3,4-oxadiazoles

Kumar, Sanjeev,Yadav, Sneha,Jadon, Sudha,Kumar, Vipin,Khedr, Abdalla M.,Gupta, Kishan C.

, p. 1845 - 1848 (2013/06/27)

An efficient synthesis for the preparation of some 2-amino-5-substituted phenyl-1,3,4-oxadiazoles by using both conventional and microwave method have been devised. The obtained results revealed that, microwave assisted technique is efficient, eco-friendl

Microwave assisted synthesis and spectral analysis of schiff bases derived from 2-amino-5-aryl-1,3,4-oxadiazoles

Kumar, Sanjeev,Yadav, Sneha,Jadon, Sudha,Kumar, Vipin,Khedr, Abdalla M.,Gupta, Kishan C.

, p. 1833 - 1836 (2013/07/05)

Microwave assisted synthesis of new Schiff bases derived from 2-amino-5-substituted aryl-1,3,4-oxadiazoles with substituted aromatic aldehyde have been carried out. The chemical structures of the prepared Schiff bases have been investigated by analytical

Synthesis, antibacterial evaluation and QSAR studies of 7-[4-(5-aryl-1,3,4-oxadiazole-2-yl)piperazinyl] quinolone derivatives

Kumar, Rajnish,Kumar, Ashwani,Jain, Sandip,Kaushik, Darpan

experimental part, p. 3543 - 3550 (2011/10/19)

A series of 7-[4-(5-aryl-1,3,4-oxadiazole-2-yl)piperazinyl] quinolones (I-XXI) were synthesized using an appropriate synthetic route and characterized by elemental and spectral analysis. The antibacterial activities of all the synthesized compounds were e

Facile method for the conversion of semicarbazones/thiosemicarbazones into azines (Under Microwave Irradiation) and oxadiazoles (By Grinding)

Chattopadhyay, Gautam,Ray, Partha Sinha

experimental part, p. 2607 - 2614 (2011/08/07)

In an effective transformation, semicarbazones/thiosemicarbazones are smoothly converted into azines under microwave irradition. Oxadiazoles are also obtained from semicarbazones by reaction with bromine generated in situ via a grinding reaction in the solid phase. Taylor &Francis Group, LLC.

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