Effect of high pressure on the composition of stereoisomers of the Diels-Alder reaction between furan and maleic anhydride

Author(s):  
V. M. Zhulin ◽  
V. S. Bogdanov ◽  
M. V. Kel'tseva ◽  
E. B. Kabotyanskaya ◽  
Yu. D. Koreshkov
Author(s):  
V. M. Zhulin ◽  
M. V. Kel'tseva ◽  
V. S. Bogdanov ◽  
Yu. D. Koreshkov ◽  
E. B. Kabotyanskaya

1978 ◽  
Vol 43 (7) ◽  
pp. 1471-1472 ◽  
Author(s):  
Hiyoshizo Kotsuki ◽  
Sachio Kitagawa ◽  
Hitoshi Nishizawa ◽  
Takashi Tokoroyama

1979 ◽  
Vol 10 (18) ◽  
Author(s):  
H. KOTSUKI ◽  
H. NISHIZAWA ◽  
S. KITAGAWA ◽  
M. OCHI ◽  
N. YAMASAKI ◽  
...  

1979 ◽  
Vol 52 (2) ◽  
pp. 544-548 ◽  
Author(s):  
Hiyoshizo Kotsuki ◽  
Hitoshi Nishizawa ◽  
Sachio Kitagawa ◽  
Masamitsu Ochi ◽  
Nakamichi Yamasaki ◽  
...  

1984 ◽  
Vol 13 (10) ◽  
pp. 1855-1858 ◽  
Author(s):  
Hitoshi Takeshita ◽  
Shigeru Sugiyama ◽  
Toshihide Hatsui

2015 ◽  
Vol 11 ◽  
pp. 576-582 ◽  
Author(s):  
Grzegorz Mlostoń ◽  
Paulina Grzelak ◽  
Maciej Mikina ◽  
Anthony Linden ◽  
Heinz Heimgartner

Selected hetaryl and aryl thioketones react with acetylenecarboxylates under thermal conditions in the presence of LiClO4 or, alternatively, under high-pressure conditions (5 kbar) at room temperature yielding thiopyran derivatives. The hetero-Diels–Alder reaction occurs in a chemo- and regioselective manner. The initially formed [4 + 2] cycloadducts rearrange via a 1,3-hydrogen shift sequence to give the final products. The latter were smoothly oxidized by treatment with mCPBA to the corresponding sulfones.


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