ChemInform Abstract: Efficient Synthesis of Phenanthridines Using Hendrickson Reagent Initiated Cascade Reaction under Mild Conditions.

ChemInform ◽  
2010 ◽  
Vol 41 (44) ◽  
pp. no-no
Author(s):  
Jie Xi ◽  
Qing-Li Dong ◽  
Guan-Sai Liu ◽  
Shaozhong Wang ◽  
Lin Chen ◽  
...  
Keyword(s):  
Cascade Reaction ◽  
Efficient Synthesis ◽  
Mild Conditions

An efficient synthesis of oxazolines via a cascade reaction between azaoxyallyl cations and 1,2-benzisoxazoles

2019 ◽  
Vol 17 (32) ◽  
pp. 7526-7530 ◽  
Author(s):  
Li Sun ◽  
Yi Liu ◽  
Yankai Wang ◽  
Yuanyuan Li ◽  
Zhiwen Liu ◽  
...  
Keyword(s):  
Cycloaddition Reaction ◽  
Cascade Reaction ◽  
Efficient Synthesis ◽  
Mild Conditions ◽  
Highly Efficient

A highly efficient 3 + 2 cycloaddition reaction with azaoxyallyl cation C–O terminals under mild conditions has been developed.

Efficient Synthesis of Phenanthridines Using Hendrickson Reagent Initiated Cascade Reaction under Mild Conditions

Synlett ◽  
2010 ◽  
Vol 2010 (11) ◽  
pp. 1674-1678
Author(s):  
Lin Chen ◽  
Zhu-Jun Yao ◽  
Jie Xi ◽  
Qing-Li Dong ◽  
Guan-Sai Liu ◽  
...  
Keyword(s):  
Cascade Reaction ◽  
Efficient Synthesis ◽  
Mild Conditions

Cu-Catalyzed Cascade Reaction of Isoxazoles with Diaryliodonium Salts for the Synthesis of Acridines

2020 ◽  
Vol 17 (12) ◽  
pp. 944-950
Author(s):  
Shangrong Zhu ◽  
Xuechen Lu ◽  
Qiuneng Xu ◽  
Jian Li ◽  
Shenghu Yan
Keyword(s):  
Cascade Reaction ◽  
Efficient Synthesis ◽  
Acridine Derivatives ◽  
Diaryliodonium Salts

A straightforward and efficient synthesis of acridine derivatives via a copper-catalyzed cascade reaction among isoxazoles and diaryliodonium salts is achieved. Various mono-, multi-substituted and 9-substituted acridine derivatives could be obtained in moderate to good yields. The process has gone through tandem double arylation and Friedel-Crafts reactions.

A metal-free radical cascade reaction of phosphine oxides with 2-aryloxy phenylacetylenes to assemble diphosphonyl xanthene derivatives

2021 ◽  
Author(s):  
Tao Fan ◽  
Yan Liu ◽  
Caina Jiang ◽  
Yanli Xu ◽  
Yan-Yan Chen
Keyword(s):  
Free Radical ◽  
Transition Metal ◽  
Cascade Reaction ◽  
Phosphine Oxides ◽  
Metal Free ◽  
Mild Conditions ◽  
Xanthene Derivatives ◽  
Reaction Proceeds ◽  
Radical Cascade

A radical cascade reaction of 2-aryloxy phenylacetylene with phosphine oxides promoted by K2S2O8 was developed, provided diphosphonyl xanthenes as products. This reaction proceeds under transition metal-free and mild conditions with...

scholarly journals Design of bifunctional quaternary phosphonium salt catalysts for CO2 fixation reaction with epoxides under mild conditions

2016 ◽  
Vol 18 (17) ◽  
pp. 4611-4615 ◽  
Author(s):  
Shiyao Liu ◽  
Naoki Suematsu ◽  
Keiji Maruoka ◽  
Seiji Shirakawa
Keyword(s):  
Co2 Fixation ◽  
Phosphonium Salt ◽  
Cyclic Carbonates ◽  
Efficient Synthesis ◽  
Reaction Conditions ◽  
Mild Conditions ◽  
Phosphonium Iodide ◽  
Fixation Reaction ◽  
Quaternary Phosphonium Salt

An efficient synthesis of cyclic carbonates from epoxides and CO2 under mild reaction conditions was achieved via the use of a designed bifunctional quaternary phosphonium iodide catalyst.

Oxidation of 2-methylpyrroles with perchlorinated iron(III) metalloporphyrin catalysts: a versatile synthesis of symmetric and asymmetric dipyrromethanes

1998 ◽  
Vol 76 (10) ◽  
pp. 1467-1473 ◽  
Author(s):  
Veranja Karunaratne ◽  
David Dolphin
Keyword(s):  
Catalytic Oxidation ◽  
Allylic Alcohols ◽  
The Novel ◽  
Efficient Synthesis ◽  
Mild Conditions ◽  
Metalloporphyrin Catalysts

A variety of substituted 2-methylpyrroles (3-8) were oxidized using the metalloporphyrin catalysts iron(III) meso-tetra(2,6-dichloro-3-sulphonatophenyl)-β-octachloroporphyrin chloride 1 and iron(III) meso-tetra(2,6-dichlorophenyl)-β-octachloroporphyrin chloride 2 under very mild conditions. Treatment of the resulting allylic alcohols 3a-8a with α-free pyrroles 9 and 10 resulted in a very efficient synthesis of the corresponding dipyrromethanes 3b-8b and 3c-8c. Furthermore, the above allylic alcohols when treated with furfurylamine produced the novel (2-furylmethyl)-2-pyrrolylmethylamines 3d-8d.Key words: catalytic oxidation, metalloporphyrins, pyrroles, dipyrromethanes, polyhalogenated porphyrins.

ChemInform Abstract: Facile and Efficient Synthesis of 1-Haloalkynes via DBU-Mediated Reaction of Terminal Alkynes and N-Haloimides under Mild Conditions.

ChemInform ◽  
2015 ◽  
Vol 46 (7) ◽  
pp. no-no
Author(s):  
Mengru Li ◽  
Yueju Li ◽  
Baozhong Zhao ◽  
Fushun Liang ◽  
Long-Yi Jin
Keyword(s):  
Terminal Alkynes ◽  
Efficient Synthesis ◽  
Mild Conditions

Efficient Synthesis of 3,4-Disubstituted 7-Azaindoles Employing SEM as a Dual Protecting–Activating Group

Synlett ◽  
2019 ◽  
Vol 30 (20) ◽  
pp. 2273-2278 ◽  
Author(s):  
Piroska Gyárfás ◽  
János Gerencsér ◽  
Warren S. Wade ◽  
László Ürögdi ◽  
Zoltán Novák ◽  
...  
Keyword(s):  
Functional Groups ◽  
Efficient Method ◽  
Reaction Times ◽  
Nucleophilic Aromatic Substitution ◽  
Aromatic Substitution ◽  
Efficient Synthesis ◽  
Mild Conditions

An efficient method for nucleophilic aromatic substitution on 7-azaindoles has been developed. The reaction is facilitated by the unique dual influence of SEM as both protecting and activating group, permitting mild conditions and short reaction times that are compatible with sensitive functional groups. The method is suitable for the synthesis of a broad range of products, most notably ethers.

Preparation of spiro[imidazolidine-4,3′-indolin]-2′-imines via copper(i)-catalyzed formal [2 + 2 + 1] cycloaddition of 3-diazoindolin-2-imines and triazines

2019 ◽  
Vol 17 (39) ◽  
pp. 8849-8852 ◽  
Author(s):  
Yuxuan Zhou ◽  
Fanghui Ma ◽  
Ping Lu ◽  
Yanguang Wang
Keyword(s):  
Cascade Reaction ◽  
Efficient Synthesis

We report a facile and efficient synthesis of spiro[imidazolidine-4,3′-indolin]-2′-imines via a copper(i)-catalyzed cascade reaction of 3-diazoindolin-2-imines with 1,3,5-triazines.

New efficient synthesis of benzofuro[2,3-b]pyrroles utilizing a reactive nitrilium trapping approach by an acid-promoted cascade addition/cyclization sequence

2020 ◽  
Vol 44 (9) ◽  
pp. 3632-3636
Author(s):  
Sandip Gangadhar Balwe ◽  
Yeon Tae Jeong
Keyword(s):  
Cascade Reaction ◽  
Efficient Synthesis ◽  
One Pot ◽  
Highly Efficient

The first p-TSA·H2O-catalyzed highly efficient one-pot cascade reaction for the synthesis of novel fused tricyclic benzofuro[2,3-b]pyrroles has been discovered.

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