1010. Derivatives of dibenzofuran and dibenzothiophen. Part II. Free-radical phenylation of dibenzothiophen

Author(s):  
E. B. McCall ◽  
A. J. Neale ◽  
T. J. Rawlings
1973 ◽  
Vol 46 (2) ◽  
pp. 546-550 ◽  
Author(s):  
Michio Kobayashi ◽  
Hiroshi Minato ◽  
Nobuko Watanabe

1964 ◽  
Vol 86 (5) ◽  
pp. 952-953 ◽  
Author(s):  
A. L. J. Beckwith ◽  
R. J. Leydon

1931 ◽  
Vol 4 (3) ◽  
pp. 264-274 ◽  
Author(s):  
Charles F. H. Allen

In the presence of a small amount of sodium methylate, cyclohexanone and benzil form an addition product, which is a "semicyclic" 1:4-diketone. No derivatives of a bicyclic cyclo-heptane were found. Its most conspicuous chemical property is its sensitivity to mineral acids; among the reaction products is found a diphenyltetrahydrocumarone. Although the addition product exhibits the phenomenon of halochromism, the existence of a perchlorate is doubtful, and it did not form a free radical.


ChemInform ◽  
2010 ◽  
Vol 28 (32) ◽  
pp. no-no
Author(s):  
D. H. R. BARTON ◽  
J. A. FERREIRA ◽  
J. C. JASZBERENYI
Keyword(s):  

1968 ◽  
Vol 21 (6) ◽  
pp. 1571 ◽  
Author(s):  
W Davies ◽  
BC Ennis ◽  
QN Porter

It is shown that heat in the absence of a solvent converts the title compound into benzo[k,l]thioxanthen 7,7-dioxide, 7-thiabenzo[c]fluorene, and o-(1-naphthyl)-benzenesulphonic acid. From these results and a consideration of the related pyrolyses of the 3,10- and 1,8-dimethyl derivatives of the title compound, a free-radical rearrangement mechanism is proposed to explain the observations.


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