Abstract
Steric buttressing has been used to effect ene reactions involving conjugated enoic esters under relatively mild conditions and with improved control of observed stereoselectivities.
References
1.
Choony N.
,
Kuhnert N.
,
Sammes P. G.
,
Smith G.
, and
Ward R. W.
, J. Chem. Soc., Perkin Trans. 1 , 2002 , 1999 .
2.
Kennewell P.D.
,
Matharu S. S.
,
Taylor J. B.
, and
Sammes P. G.
, J. Chem. Soc., Perkin Trans. 1 , 1980 , 2542 .
3.
Greenwood E.S.
, and
Parsons P. J.
, Synlett. , 2002 , 1 , 167 .
4.
Allen R.D.
, Tetrahedron Lett. , 1978 , 25 , 2199 .
5.
Oppolzer W.
,
Robbiani C.
, and
Bättig K.
, Tetrahedron , 1984 , 40 , 1391 .
6.
Xia Q.
, and
Ganem B.
, Org. Lett. , 2001 , 3 , 485 .
7.
(a)
Oppolzer W.
, and
Andres H.
, Helv. Chim. Acta , 1979 , 62 , 2282 .
8.
Oppolzer W.
, and
Robbiani C.
, Helv. Chem. Acta , 1980 , 63 , 2010 .
9.
Oppolzer W.
, Pure Appl. Chem. , 1981 , 53 , 1181 .
10.
Oppolzer W.
, and
Thirring K.
, J. Am. Chem. Soc. , 1982 , 104 , 4978 .
11.
Kirihata M.
,
Kaziwara T.
, and
Kawashima Y.
, Agric. Biol. Chem. , 1991 , 55 , 3033 .
12.
Makgawa H.
,
Sugahara T.
, and
Ogasawara K.
, Org. Lett , 2000 , 2 , 3181 .
13.
Perrin D.D.
, and
Amarego W. L. F.
, Purification of Laboratory Chemicals , 3rd edn., Pergamon Press , Oxford , 1989 .