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2-amino-7,7-dimethyl-4-(4-nitrophenyl)-5-oxo-5,6,7,8-tetrahydro-4H-chromene-3-carbonitrile is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

144036-35-1

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  • 2-Amino-7,7-dimethyl-4-(4-nitrophenyl)-5-oxo-5,6,7,8-tetrahydro-4H-chromene-3-carbonitrile

    Cas No: 144036-35-1

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  • 2-amino-7,7-dimethyl-4-(4-nitrophenyl)-5-oxo-5,6,7,8-tetrahydro-4H-chromene-3-carbonitrile

    Cas No: 144036-35-1

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144036-35-1 Usage

Functional groups

Amino group: Contains an NH2 functional group, potentially enabling interactions with other molecules or proteins.
Nitrophenyl group: Features a NO2 group attached to a phenyl ring, influencing the compound's reactivity and potential pharmacological activity.
Carbonitrile group: Contains a CN group, indicating a nitrile functional group, which can participate in various chemical reactions and interactions.

Chromene ring structure

Provides a cyclic structure to the compound, potentially influencing its stability, reactivity, and pharmacological properties.

Substitution pattern

5-oxo-5,6,7,8-tetrahydro substitution pattern indicates the presence of ketone (oxo) group at position 5 and a tetrahydro substitution pattern at positions 5, 6, 7, and 8, likely affecting its chemical properties and biological activity.

Pharmacological potential

The compound's unique molecular structure suggests it may possess diverse pharmacological properties, making it of interest for medicinal chemistry or pharmaceutical research.

Check Digit Verification of cas no

The CAS Registry Mumber 144036-35-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,4,0,3 and 6 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 144036-35:
(8*1)+(7*4)+(6*4)+(5*0)+(4*3)+(3*6)+(2*3)+(1*5)=101
101 % 10 = 1
So 144036-35-1 is a valid CAS Registry Number.

144036-35-1Relevant articles and documents

Full kinetics and a mechanistic investigation of the synthesis of tetrahydrobenzo[b]pyrans in the presence of sodium acetate as a catalyst by a one-pot three-component reaction

Habibi-Khorassani, Sayyed M.,Maghsoodlou, Malek T.,Talaiefar, Sadegh,Kazemian, Mohammad A.,Aboonajmi, Jasem

, p. 413 - 421 (2014)

Sodium acetate effectively catalyzes the three component reaction between 4-nitrobenzaldehyde, malononitrile and dimedone for the formation of corresponding pyran annulated heterocyclic systems. This method offers the advantages of proceeding in neutral and mild environmental conditions, lack of toxicity, short reaction time, giving high to excellent yields of the products and simple work-up. Moreover, for the first time, an investigation of the kinetics and mechanism was made for the reaction between 4-nitrobenzaldehyde 2, malononitrile 3 and dimedone 1 compounds in the presence of sodium acetate as a catalyst. For determining the kinetics parameters of the reactions, they were monitored using UV/Vis spectrophotometery. The second order rate constant (k1) was automatically calculated by the standard equations contained within the program. In the studied temperature range, the second order rate constant depended (Lnk1, Lnk1/T) on reciprocal temperature was in good consistency with Arrhenius and Eyring equations, respectively. This data provided the suitable plots for calculating the activation energy and parameters (Ea, ΔG ≠, ΔS≠ and ΔH≠) of the reaction. Furthermore, from studying the effect of solvent, concentration and catalyst on the reaction mechanism, useful information was obtained. The results showed that the first step of the reaction mechanism is a rate determining step (RDS). The mechanism which we proposed was confirmed in accordance with experimental data form UV/Vis experiment and also the steady state assumption.

Solvent Selective Polyacrylonitrile Fiber as a Recyclable Catalyst for the Knoevenagel-Michael Reaction in Water

Li, Pengyu,Yang, Yu,Wu, Xueling,Lu, Jiali,Hu, Lingrui,Chen, Weihua,Zhang, Wenqin

, p. 43 - 54 (2021/04/05)

Heterogeneous catalysis is an important branch of sustainable chemistry. In this work, a series of polyacrylonitrile fiber (PANF) fiber catalysts (PANF-E, PANF-EDs, and PANF-D) with different catalytic micro-environments are developed and characterized by

Introducing rGO@Fe3O4@Ni as an efficient magnetic nanocatalyst for the synthesis of tetrahydrobenzopyranes via multicomponent coupling reactions of dimedone, malononitrile, and aromatic aldehydes

Esmati, Mozhgan,Zeynizadeh, Behzad

, (2021/11/04)

In this study, the synthesis and characterization of the modified GO and rGO@Fe3O4@Ni composite systems were investigated. Fourier-transform infrared spectroscopy (FT-IR), scanning electron microscopy (SEM), transmission electron mic

Composite of magnetic carbon quantum dot-supported ionic liquid and Cu-BDC (CCDC no. 687690) MOF: A triple catalytic composite for chemical transformations

Koohestani, Fatemeh,Sadjadi, Samahe

, (2022/01/19)

A novel magnetic triple composite was synthesized through immobilization of DABCO-based ionic liquid on magnetic carbon quantum dot, followed by conjugation of the resultant compound with a copper-based metal-organic framework (CCDC no. 687690). The as-pr

WELPSA: A natural catalyst of alkali and alkaline earth metals for the facile synthesis of tetrahydrobenzo[b]pyrans and pyrano[2,3-d]pyrimidinones as inhibitors of SARS-CoV-2

Nesaragi, Aravind R.,Kamble, Ravindra R.,Hoolageri, Swati R.,Mavazzan, Ahmedraza,Madar, Suresh F.,Anand, Ashish,Joshi, Shrinivas D.

, (2021/10/19)

Since 2019, the infection of SARS-CoV-2 has been spreading worldwide and caused potentially lethal health problems. In view of this, the present study explores the most commodious and environmentally benign synthetic protocol for the synthesis of tetrahyd

Metformin functionalized dendritic fibrous nanosilica (KCC-1-nPr-Met) as an innovative and green nanocatalyst for the efficient synthesis of tetrahydro-4H-chromene derivatives

Rad, Shiva Asadi,Shadjou, Nasrin

, (2021/11/03)

An innovative nanocatalyst (KCC-1-nPr-Met) has been prepared from the covalent attachment of metformin on the channels and the pores of n-propyl amine functionalized dendritic fibrous nanosilica (DFNS) and used towards efficient, green, and high yield syn

An eco-friendly innovative halide and metal-free basic ionic liquid catalyzed synthesis of tetrahydrobenzo [b] pyran derivatives in aqueous media: A sustainable protocol

Kadam, Suresh,More, Paresh,Patil, Dayanand,Patil, Priyanka

, (2021/11/01)

A novel imidazolium-based highly efficient, recoverable, and reusable basic ionic liquid [PEMIM][OH] was synthesized using a very simple approach. This ionic liquid was employed as a catalyst for the multicomponent synthesis of tetrahydrobenzo[b]pyran der

Biguanide-functionalized hierarchical porous covalent organic frameworks for efficient catalysis of condensation reactions

Feng, Huiru,Gong, Kai,Li, Cunhao,Li, Haoran,Wang, Yunyun,Zhang, Daquan,Zhang, Huimin

, (2021/07/21)

Covalent organic frameworks (COFs) can be rationally designed with desired physicochemical properties for a far-ranging application in catalytic systems. Herein, a biguanide-functionalized covalent organic framework was designed and prepared via N-alkylat

Ferrocene-Functionalized Dithiocarbamate Zinc(II) Complexes as Efficient Bifunctional Catalysts for the One-Pot Synthesis of Chromene and Imidazopyrimidine Derivatives via Knoevenagel Condensation Reaction

Anamika,Drew, Michael G. B.,Kumar, Kamlesh,Singh, Nanhai,Yadav, Chote Lal

, p. 6446 - 6462 (2021/05/31)

Four new mononuclear/coordination polymeric (CP) zinc(II) complexes (1-4) of ferrocenyl/pyridyl-functionalized dithiocarbamate ligands, N-ferrocenylmethyl-N-butyl dithiocarbamate (L1), N-ferrocenylmethyl-N-ethylmorpholine dithiocarbamate (L2), N-ferroceny

Magnetized melamine-modified polyacrylonitrile (PAN@melamine/Fe3O4) organometallic nanomaterial: Preparation, characterization, and application as a multifunctional catalyst in the synthesis of bioactive dihydropyrano [2,3-c]pyrazole

Hassanzadeh-Afruzi, Fereshte,Dogari, Haniyeh,Esmailzadeh, Farhad,Maleki, Ali

, (2021/07/14)

An efficient magnetic polymer-based nanomaterial was prepared in three main steps including synthesis of polyacrylonitrile (PAN), modification of PAN with melamine, and magnetization of the PAN@melamine compound by in situ construction of Fe3O

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