High-Pressure Influence on the Rate of Diels-Alder Cycloaddition Reactions of Maleic Anhydride with Some Dienes

2013 ◽  
Vol 45 (9) ◽  
pp. 613-622 ◽  
Author(s):  
Vladimir D. Kiselev
1985 ◽  
Vol 58 (9) ◽  
pp. 2490-2493 ◽  
Author(s):  
Hitoshi Takeshita ◽  
Shigeru Sugiyama ◽  
Toshihide Hatsui

Author(s):  
Hiyoshizo Kotsuki ◽  
Masanori Kataoka ◽  
Kohtaro Matsuo ◽  
Shigeru Suetomo ◽  
Motoo Shiroc ◽  
...  

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

1993 ◽  
Vol 71 (9) ◽  
pp. 1463-1483 ◽  
Author(s):  
Edward Piers ◽  
Richard W. Friesen ◽  
Paul Kao ◽  
Steven J. Rettig ◽  
James Trotter

The results of a study of Diels–Alder reactions of the bicyclic dienes 6–8 with a variety of dienophiles are reported. Although 6 and 7 undergo cycloaddition reactions smoothly and efficiently, thermal Diels–Alder reactions of 8 are generally sluggish or, under the conditions investigated, do not proceed at all. Additions of tetracyanoethylene (TCNE) to 6–8 are highly face-selective, with preferential attack of the dienophile on the side of the dienes opposite to the angular methoxycarbonyl group. Reaction of 7 with maleic anhydride (MAN) is completely face-selective and proceeds preferentially via an endo transition state. Diels–Alder reactions of 6 and 7 with methyl acrylate (MAC) and nitroethylene (NE) are entirely regioselective, but the face-selectivities, which vary from ~2:1 to ~3:1, are rather low. The use of this chemistry as a method for the synthesis of functionalized, stereochemically defined, perhydro-1H-phenalenes is demonstrated.


2012 ◽  
Vol 87 (1) ◽  
pp. 160-162 ◽  
Author(s):  
V. D. Kiselev ◽  
I. I. Shakirova ◽  
D. A. Kornilov ◽  
E. A. Kashaeva ◽  
L. N. Potapova ◽  
...  

1998 ◽  
Vol 51 (5) ◽  
pp. 383 ◽  
Author(s):  
Robert W. Bates ◽  
Andrew J. Pratt ◽  
Phillip M. Rendle ◽  
Ward T. Robinson

Bis(methylthio)ethene has been shown to undergo Diels–Alder cycloaddition reactions with a range of simple and aryl-fused pyran-2-ones. These reactions can be brought about under either high-temperature or high-pressure conditions. These reactions are all regiospecific and in each case only a single product is isolated, either the initial bridged adduct or an aromatized product generated through decarboxylation. Although this dienophile is less reactive than the corresponding oxygen analogue it is still possible for cycloaddition chemistry to compete effectively with decarboxylation chemistry.


1986 ◽  
Vol 64 (4) ◽  
pp. 793-798 ◽  
Author(s):  
James L. Charlton ◽  
Mian M. Alauddin ◽  
Glenn H. Penner

E,E- and E,Z-α-phenyl-α′-acetoxyorthoquinodimethanes have been prepared from the corresponding cis- and trans-1-acetoxy-3-phenyl-1,3-dihydrobenzo[c]thiophene-2,2-dioxides. The regio- and diastereoselectivity of the addition reactions with dimethyl fumarate, dimethyl maleate, maleic anhydride, and methyl crotonate have been determined. Abinitio calculations have been carried out on orthoquinodimethane and its α-phenyl and α-oxy derivatives. A correlation has been made between the steric and electronic properties of the orthoquinodimethanes and the regio- and diastereoselectivity of their Diels–Alder reactions.


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