Literature DB >> 16898834

Unexpected tandem ylide annulation reaction for controllable synthesis of 2H-chromenes and 4H-chromenes.

Long-Wu Ye1, Xiu-Li Sun, Chun-Yin Zhu, Yong Tang.   

Abstract

[reaction: see text] An unexpected tetrahydrothiophene-catalyzed ylide annulation reaction, via tandem Michael addition/elimination/substitution, for the controllable synthesis of 2H-chromenes and 4H-chromenes has been developed.

Entities:  

Year:  2006        PMID： 16898834     DOI： 10.1021/ol0615174

Source DB:  PubMed          Journal:  Org Lett        ISSN： 1523-7052            Impact factor:   6.005


  6 in total

1.  Synthesis of 2-substituted 2H-chromenes using potassium vinyltrifluoroborates.

Authors:  Fei Liu; Todd Evans; Bhaskar C Das
Journal:  Tetrahedron Lett       Date:  2008-03-03       Impact factor: 2.415

2.  A metal-free tandem C-C/C-O bond formation approach to densely functionalized indolyl 4H-chromenes catalyzed by polystyrene-supported p-toluenesulfonic acid under solvent-free conditions.

Authors:  Vijay Vilas Shinde; Yong Seok Jeong; Yeon Tae Jeong
Journal:  Mol Divers       Date:  2015-03-24       Impact factor: 2.943

3.  Convergent Synthesis of 2H-Chromenes - a Formal [3+3] Cycloaddition by a One-pot, Three-Step Cascade.

Authors:  Kathlyn A Parker; Thomas L Mindt
Journal:  Tetrahedron       Date:  2011-12-23       Impact factor: 2.457

4.  Simultaneous synthesis of both rings of chromenes via a benzannulation/o-quinone methide formation/electrocyclization cascade.

Authors:  Nilanjana Majumdar; Keith A Korthals; William D Wulff
Journal:  J Am Chem Soc       Date:  2011-12-16       Impact factor: 15.419

5.  Intramolecular photochemical [2 + 1]-cycloadditions of nucleophilic siloxy carbenes.

Authors:  Amanda Bunyamin; Carol Hua; Anastasios Polyzos; Daniel L Priebbenow
Journal:  Chem Sci       Date:  2022-02-25       Impact factor: 9.825

6.  Enantioselective one-pot synthesis of 4H-chromene derivatives catalyzed by a chiral Ni(ii) complex.

Authors:  Xuan Yu; Wenjie Lan; Jiaqi Li; Hui Bai; Zhaohai Qin; Bin Fu
Journal:  RSC Adv       Date:  2020-12-16       Impact factor: 4.036
  6 in total

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