Reactions of Transient Free Radicals Monitored by EPR Spectroscopy

9.5 GHz EPR Isotropic Spectra in Solution

 

 

Cyclobutenyl beta-scission

 

 

J. Chem. Soc. Chem. Commun. 1980, 604-605;

J. Chem. Soc. Perkin Trans. 2, 1981, 970-974.

 


 

 

Spiro[2.3]hex-2-yl beta-scission

 

J. Chem. Soc. Perkin Trans. 2, 1985, 841-846.


 

 

Bicyclo[1.1.1]pentylmethyl to 3-methylenecyclobutylmethyl to 2-allylallyl

 

 

 

J. Chem. Soc. Perkin Trans. 2, 1991, 1329-1333.

 

1,2-Silyl migration from C to N

 

J. Organometal. Chem. 1991, 403, C25-C28;

J. Chem. Soc. Perkin Trans. 2, 1993, 2119-2123.


 

 

Deuteroxymethylcubyl cascade rearrangement

 

 

J. Am. Chem. Soc. 1992, 114, 10730-10738.

 


 

 

Oxaspiro[2.3]hexylmethyl three step cascade

 

 

 

J. Chem. Soc. Perkin Trans. 2, 1999, 937-945.


 

 

3,5-Dimethylcyclohexadienyl beta-scission

 

 

 

J. Chem. Soc. Perkin Trans. 2, 2001, 1758-1764.


 

 

Release of phenyliminyl and t-butyl radicals from an oxime ester.

 

 

 

J. Chem. Soc. Perkin Trans. 2, 2000, 2399-2409.


 

 

Release of aryliminyl and n-butyl radicals from an oxime ester

 

 

 

J. Chem. Soc. Perkin Trans. 2, 2000, 2399-2409

 


 

 

Generation of a carbamoyl radical by beta-scission of an amidocyclohexadienyl radical

 

 

 

 

 

J. Chem. Soc. Perkin Trans. 2, 2002, 1839-1843.

 


 

 

Generation and rapid cyclisation of a carbamoyl radical

 

 

 

J. Chem. Soc. Perkin Trans. 2, 2002, 1839-1843.

 


 

 

Formation of an alkoxyaminyl radical by cyclisation of a carbamoyl radical on to an oxime ether

 

 

 

 

J. Org. Chem. 2004, 69, 5926-5933.

 


 

 

Generation of cyclohexadienyl and carbamoyl radicals from an amidocyclohexadiene.  Subsequent cyclisation onto an oxime ether and release of triphenylmethyl radicals.

 

J. Org. Chem. 2004, 69, 5926-5933.

 


 

 

Photosensitized dissociation of an oxime oxalate amide releasing iminyl and carbamoyl radicals: the latter subsequently undergoing ring closure.

 

 

Org. Biomol. Chem. 2004, 2, 716-724.

 


 


 

Generation of iminyl and carbamoyl radicals from an oxime oxalate amide. 

A rare 4-exo-cyclisation of the latter.

 

 

Org. Lett. 2005, 7, 155-158.

 


 

 

4-Exo-cyclisation of a carbamoyl radical onto an oxime ether.

 

 

 

Org. Lett. 2005, 7, 155-158.

 


 

 

Generation and beta-scission of a thioimidoyl radical

 

 

Two central lines of the t-Bu radical spectrum only.

 

 

Org. Lett. 2003, 5, 901-904

J. Org. Chem. 2004, 69, 2056-2069.

 


 

 

Competing cyclisation and beta-scission of a thioimidoyl radical

 

 

 

 

Org. Lett. 2003, 5, 901-904

J. Org. Chem. 2004, 69, 2056-2069.