Cascade cyclization and acyl migration of propargylic esters with isocyanides: rapid access to substituted furans

2019 ◽  
Vol 55 (58) ◽  
pp. 8394-8397 ◽  
Author(s):  
Jie Hu ◽  
Youwen Fei ◽  
Hongbin Zhao ◽  
Zhishuang Wang ◽  
Chunju Li ◽  
...  
Keyword(s):  
Acyl Migration ◽  
Furan Derivatives ◽  
Cascade Cyclization ◽  
Rapid Access ◽  
Propargylic Esters ◽  
Substituted Furans

A novel rearrangement of ester-activated propargylic acetate with isocyanide has been disclosed. This protocol enables a quick synthesis of polysubstituted furan derivatives.

Palladium-Catalyzed Cyclization of N-Acyl-o-alkynylanilines with Isocyanides Involving a 1,3-Acyl Migration: Rapid Access to Functionalized 2-Aminoquinolines

2018 ◽  
Vol 20 (22) ◽  
pp. 7245-7248 ◽  
Author(s):  
Meng Li ◽  
Jia Zheng ◽  
Weigao Hu ◽  
Chunsheng Li ◽  
Jianxiao Li ◽  
...  
Keyword(s):  
Acyl Migration ◽  
Rapid Access ◽  
Palladium Catalyzed

Gold-catalyzed cascade cyclization of N-propargyl ynamides: rapid access to functionalized indeno[1,2-c]pyrroles

2018 ◽  
Vol 5 (16) ◽  
pp. 2468-2472 ◽  
Author(s):  
Wen-Bo Shen ◽  
Bo Zhou ◽  
Zhi-Xin Zhang ◽  
Han Yuan ◽  
Wei Fang ◽  
...  
Keyword(s):  
Cascade Cyclization ◽  
Rapid Access ◽  
Vinyl Cation ◽  
Practical Synthesis

A new gold-catalyzed cascade cyclization of N-propargyl ynamides involving a presumable vinyl cation intermediate has been developed, allowing the efficient and practical synthesis of various functionalized indeno[1,2-c]pyrroles.

ChemInform Abstract: Rapid Access to 3-(Aminomethyl)isoquinoline-Fused Polycyclic Compounds by Copper-Catalyzed Four-Component Coupling, Cascade Cyclization, and Oxidation.

ChemInform ◽  
2010 ◽  
Vol 41 (2) ◽  
Author(s):  
Yusuke Ohta ◽  
Yushi Kubota ◽  
Tsuyoshi Watabe ◽  
Hiroaki Chiba ◽  
Shinya Oishi ◽  
...  
Keyword(s):  
Polycyclic Compounds ◽  
Cascade Cyclization ◽  
Rapid Access

Furan derivatives. XL. Synthesis of 5-nitro-2-substituted furans on the basis of 5-nitrofurfuryl nitrate

1972 ◽  
Vol 37 (9) ◽  
pp. 3144-3147 ◽  
Author(s):  
A. Jurášek ◽  
J. Kováč ◽  
A. Krutošíková ◽  
M. Hrdina
Keyword(s):  
Furan Derivatives ◽  
Substituted Furans

Rhodium-catalyzed synthesis of multi-substituted furans from N-sulfonyl-1,2,3-triazoles bearing a tethered carbonyl group

2015 ◽  
Vol 2 (1) ◽  
pp. 47-50 ◽  
Author(s):  
Wen-Biao Zhang ◽  
Shi-Dong Xiu ◽  
Chuan-Ying Li
Keyword(s):  
Carbonyl Group ◽  
Efficient Synthesis ◽  
Furan Derivatives ◽  
Substituted Furans

The efficient synthesis of highly functionalized furan derivatives from 1-sulfonyl-1,2,3-triazoles with a pendent carbonyl group is reported. The process involves an intramolecular trapping of α-imino carbene and subsequent aromatization.

Gold(i)-catalyzed cascade cyclization of O-tethered 1,7-enynes bearing a cyclopropane moiety: construction of multi-substituted furans

2019 ◽  
Vol 55 (56) ◽  
pp. 8126-8129 ◽  
Author(s):  
Wenqing Zang ◽  
Yin Wei ◽  
Min Shi
Keyword(s):  
Cascade Cyclization ◽  
Substituted Furans

A gold-catalyzed cascade cyclization of O-tethered 1,7-enynes bearing a cyclopropane moiety has been reported in this communication, affording multi-substituted furans in moderate to good yields along with the further transformations.

Direct CuO nanoparticle-catalyzed synthesis of poly-substituted furans via oxidative C–H/C–H functionalization in aqueous medium

RSC Advances ◽  
2016 ◽  
Vol 6 (40) ◽  
pp. 33462-33467 ◽  
Author(s):  
Soumen Payra ◽  
Arijit Saha ◽  
Sandip Guchhait ◽  
Subhash Banerjee
Keyword(s):  
Aqueous Medium ◽  
Carbonyl Compounds ◽  
Aqueous Ethanol ◽  
Conjugate Addition ◽  
Cuo Nanoparticles ◽  
Domino Reactions ◽  
Furan Derivatives ◽  
Direct Functionalization ◽  
Substituted Furans ◽  
Cuo Nanoparticle

Here, we have reported CuO nanoparticles catalyzed synthesis of poly-functionalized furan derivatives via direct functionalization of α,β-unsaturated carbonyl compounds through conjugate addition initiated domino reactions in aqueous ethanol.

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