Formal [4 + 1] cycloaddition of o-quinone methides: facile synthesis of dihydrobenzofurans

RSC Advances ◽  
2015 ◽  
Vol 5 (20) ◽  
pp. 14953-14957 ◽  
Author(s):  
Xiantao Lei ◽  
Chun-Huan Jiang ◽  
Xiaoan Wen ◽  
Qing-Long Xu ◽  
Hongbin Sun
Keyword(s):  
Facile Synthesis ◽  
Quinone Methides ◽  
Rapid Synthesis ◽  
Sulfur Ylides ◽  
Straightforward Method

An efficient and straightforward method for the rapid synthesis of 2-substituted dihydrobenzofurans has been developed via reaction of sulfur ylides with o-quinone methides (o-QMs).

scholarly journals A formal intermolecular [4 + 1] cycloaddition reaction of 3-chlorooxindole and o-quinone methides: a facile synthesis of spirocyclic oxindole scaffolds

RSC Advances ◽  
2021 ◽  
Vol 11 (30) ◽  
pp. 18576-18579
Author(s):  
Chao Lin ◽  
Qi Xing ◽  
Honglei Xie
Keyword(s):  
Cycloaddition Reaction ◽  
Cyclization Reaction ◽  
Facile Synthesis ◽  
Quinone Methides ◽  
Rapid Synthesis ◽  
Mild Conditions ◽  
Straightforward Method ◽  
Spirocyclic Oxindole

Herein, we developed an efficient and straightforward method for the rapid synthesis of spirocyclic oxindole scaffolds via the [4 + 1] cyclization reaction of 3-chlorooxindole with o-quinone methides (o-QMs), which were generated under mild conditions.

scholarly journals Diastereoselective synthesis of CF3-dihydrobenzofurans by [4+1] annulation of in situ-generated CF3-o-quinone methides and sulfur ylides

RSC Advances ◽  
2020 ◽  
Vol 10 (63) ◽  
pp. 38588-38591
Author(s):  
Babli K. Jha ◽  
Jaggaraju Prudhviraj ◽  
Prathama S. Mainkar ◽  
Nagender Punna ◽  
Srivari Chandrasekhar
Keyword(s):  
Diastereoselective Synthesis ◽  
Quinone Methides ◽  
Reaction Conditions ◽  
Sulfur Ylides

The first [4 + 1] annulation reaction of in situ-generated highly electrophilic CF3-ortho-quinone methides with sulphur ylides has been put forth under mild reaction conditions to access CF3-dihydrobenzofurans.

Facile Synthesis of [6,6]-Phenyl-C61/71-Butyric Acid Methyl Esters via Sulfur Ylides for Bulk-Heterojunction Solar Cell

Synlett ◽  
2013 ◽  
Vol 24 (15) ◽  
pp. 1988-1992 ◽  
Author(s):  
Takatoshi Ito ◽  
Toshinobu Ohno ◽  
Toshiyuki Iwai ◽  
Fukashi Matsumoto ◽  
Koichi Hida ◽  
...  
Keyword(s):  
Solar Cell ◽  
Butyric Acid ◽  
Bulk Heterojunction ◽  
Methyl Esters ◽  
Heterojunction Solar Cell ◽  
Facile Synthesis ◽  
Sulfur Ylides ◽  
Acid Methyl ◽  
Bulk Heterojunction Solar Cell

A divergent [5+2] cascade approach to bicyclo[3.2.1]octanes: facile synthesis of ent-kaurene and cedrene-type skeletons

2017 ◽  
Vol 53 (60) ◽  
pp. 8435-8438 ◽  
Author(s):  
Chi He ◽  
Zengbing Bai ◽  
Jialei Hu ◽  
Bingnan Wang ◽  
Hujun Xie ◽  
...  
Keyword(s):  
Facile Synthesis ◽  
Rapid Synthesis

A divergent [5+2] cascade approach to bicyclo[3.2.1]octanes was described, enabling the rapid synthesis of diversely functionalizedent-kaurene and cedrene-type skeletons.

Facile synthesis of 3-aryl 2,3-dihydrobenzofurans via novel domino 1,6-addition/O-alkylation reactions of para-quinone methides

Tetrahedron ◽  
2018 ◽  
Vol 74 (13) ◽  
pp. 1492-1496 ◽  
Author(s):  
Jing Zhou ◽  
Guojuan Liang ◽  
Xiangnan Hu ◽  
Liping Zhou ◽  
Hui Zhou
Keyword(s):  
Facile Synthesis ◽  
Quinone Methides ◽  
Alkylation Reactions

ChemInform Abstract: Facile Synthesis of Diarylmethanes via Quinone Methides.

ChemInform ◽  
2013 ◽  
Vol 44 (27) ◽  
pp. no-no
Author(s):  
Kassrin Tangdenpaisal ◽  
Wong Phakhodee ◽  
Somsak Ruchirawat ◽  
Poonsakdi Ploypradith
Keyword(s):  
Facile Synthesis ◽  
Quinone Methides

Divergent synthesis of oxindole derivatives via controllable reactions of isatin-derived para-quinone methides with sulfur ylides

2020 ◽  
Vol 18 (24) ◽  
pp. 4560-4565 ◽  
Author(s):  
Yong You ◽  
Bao-Xue Quan ◽  
Zhen-Hua Wang ◽  
Jian-Qiang Zhao ◽  
Wei-Cheng Yuan
Keyword(s):  
Quinone Methides ◽  
Sulfur Ylides ◽  
Catalyst Free

A catalyst-free and controllable reaction of isatin-derived para-quinone methides with sulfur ylides was developed, and it enables the divergent synthesis of two valuable oxindoles.

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