Metal carbenoid mediated ring opening of furan-2-yloxy derivatives. Stereoselective synthesis of 2,4-hexadienedioic acid and 6-aryl-1-oxo-2,4-hexadienoic acid derivatives

Tetrahedron ◽  
2001 ◽  
Vol 57 (34) ◽  
pp. 7303-7307 ◽  
Author(s):  
Po Chuen Shieh ◽  
Chi Wi Ong
1999 ◽  
Vol 23 (8) ◽  
pp. 512-513
Author(s):  
Issa Yavari ◽  
Farahnaz Nourmohammadian

Tetraalkyl cyclobutene-1,2,3,4-tetracarboxylates, prepared by intramolecular Wittig reaction between a vinylphosphonium salt and diethyl 2-oxobutanedioate, undergo electrocyclic ring-opening reactions, in boiling toluene, to produce highly electron-deficient 1,3-dienes.


2020 ◽  
Vol 59 (41) ◽  
pp. 18110-18115
Author(s):  
Carina M. Sonnleitner ◽  
Saerom Park ◽  
Robert Eckl ◽  
Thomas Ertl ◽  
Oliver Reiser

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