107753-00-4Relevant articles and documents
2-amino-4-(4-chlorophenyl)-7,7-dimethyl-5-oxo-5,6,7,8-tetrahydro-4H-chromen e-3-carbonitrile
Low, John N.,Cobo, Justo,Nogueras, Manuel,Sanchez, Adolfo,Quiroga, Jairo,Cisneros, Carlos
, p. o38-o39 (2003)
The supramolecular structure of C18H17ClN2O2 was studied. The structure was determined by the intersection of two chains formed by N-H···O and N-H···N hydrogen bonds, forming a two-dimensional sheet. A solution
Synthesis and characterization of a novel and green rod-like magnetic ZnS/CuFe2O4/agar organometallic hybrid catalyst for the synthesis of biologically-active 2-amino-tetrahydro-4H-chromene-3-carbonitrile derivatives
Bahrami, Shahrzad,Hassanzadeh-Afruzi, Fereshte,Maleki, Ali
, (2020)
The magnetic biocompatible rod-like ZnS/CuFe2O4/agar organometallic hybrid catalyst was designed and prepared based on a natural macromolecule (agar) through a green and convenient method using inexpensive, nontoxic, and easily avail
Sodium ethylene diamine tetraacetate catalyzed synthesis of chromene derivatives via multi-component reactions at low catalyst loading
Chen, Lu,Lin, Jiaqi,Chen, Bin,Zhao, Liqin
, p. 6691 - 6700 (2017)
An efficient and practical protocol for the synthesis of chromenes derivatives catalyzed by a low-loading sodium ethylene diamine tetraacetate (2?mol%) as a catalyst via multicomponent reaction is reported. A wide range of aromatic aldehydes easily underg
A green synthesis of tetrahydrobenzo[b]pyran derivatives through three-component condensation using N-methylimidazole as organocatalyst
Lian, Xi-Zhong,Huang, Yu,Li, Yi-Qun,Zheng, Wen-Jie
, p. 129 - 131 (2008)
An efficient and convenient approach to the synthesis of 2-amino-3-cyano-4-aryl-7,7-dimethyl-5-oxo-4H-5,6,7,8-tetrahydrobenzo[b]pyran derivatives using N-methylimidazole as the organocatalyst (20∈mol%) is described. This method has several advantages, suc
Green synthesis of Fe3O4/ZnO magnetic core-shell nanoparticles by Petasites hybridus rhizome water extract and their application for the synthesis of pyran derivatives: Investigation of antioxidant and antimicrobial activity
Ghasemian Dazmiri, Mahboubeh,Alinezhad, Heshmatollah,Hossaini, Zinatossadat,Bekhradnia, Ahmad R.
, (2020)
In this research, Fe3O4/ZnO magnetic core-shell nanoparticles (Fe3O4/ZnO MCNPs) were synthesized through a green method using Petasites hybridus rhizome water extract as a reducing and stabilizing agent. The mor
Synthesis of a novel bifunctional oxyammonium-based ionic liquid: Application for the synthesis of pyrano[4,3-b]pyrans and tetrahydrobenzo[b]pyrans
Zarei, Azra,Yarie, Meysam,Zolfigol, Mohammad Ali,Niknam, Khodabakhsh
, p. 1120 - 1131 (2020)
In the present investigation, a novel bifunctional oxyammonium-based ionic liquid, namely, 2,2′-(ethane-1,2-diylbis[oxy])bis(ethan-1-aminium)-2,2,2-trifluoroacetate, was designed and synthesized. The structure of the titled ionic liquid was characterized
Zirconia Supported on Rice Husk Silica from Biowaste: A Novel, Efficient, and Recoverable Nanocatalyst for the Green Synthesis of Tetrahydro-1-benzopyrans
Devi, K. R. S.,Mishra, M.,Nizam, A.,Pinheiro, D.
, p. 1784 - 1789 (2020)
Abstract: Zirconia supported silica from rice husk (an agricultural waste) has been utilized as a novel and efficient heterogeneous catalyst for the synthesis of bioactive tetrahydro-1-benzopyran derivatives via multicomponent condensation of various alde
A novel three-component reaction for the synthesis of new 4-azafluorenone derivatives
Tu, Shujiang,Jiang, Bo,Jiang, Hong,Zhang, Yan,Jia, Runhong,Zhang, Junyong,Shao, Qingqing,Li, Chunmei,Zhou, Dianxiang,Cao, Longji
, p. 5406 - 5414 (2007)
Reaction of arylidenemalononitriles, 1,3-indanedione, and mercaptoacetic acid or 4-methylbenzenethiol is successfully carried out using microwave heating. It is an efficient and promising synthetic strategy to build the indenopyridine skeleton.
Preparation, characterization and use of sulfonylbis(1,4-phenylene)bis(sulfamic acid) as an eco-benign, efficient, reusable and heterogeneous catalyst for the synthesis of mono- and bis-chromenes
Mahmoodi, Nosrat O.,Khazaei, Zahra
, p. 1889 - 1898 (2017)
Sulfonylbis(1,4-phenylene)bis(sulfamic acid) (SPSA) is easily prepared and recognized as a new heterogeneous catalyst by the reaction of 4,4′-sulfonyldianiline with chlorosulfonic acid. This reagent was used for the synthesis of the mono- and bis-chromene
Synthesis and characterization of Ti-Al/Al2O3 nanocomposite and its application as heterogeneous catalyst in the green synthesis of 2-amino-4H-chromens
Mosaddegh, Elaheh,Poshtiban, Farzaneh,Hassankhani, Asadollah,Alizadeh, Mostafa,Ghazanfari, Dadkhoda
, p. 639 - 643 (2014)
Ti-Al/Al2O3 nanocomposite catalyzed green and efficient synthesis of 2-amino-4H-chromen-5(6H)-ones via three-component condensation reaction of different aromatic aldehyde, malononitrile and dimedone in aqueous media. The reaction wa
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
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
Solar Energy Mediated Green Synthesis of Tetrahydrobenzo[b]pyrans Using L-Ascorbic Acid as an Organocatalyst in Aqueous Medium
Chauhan, Swati,Mishra, Ankush,Verma, Pratibha,Srivastava, Vandana
, p. 441 - 454 (2021/07/26)
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