Tetrahedron Asymmetry p. 913 - 921 (1997)
Update date:2022-08-05
Topics:
Carreno, M. Carmen
Garcia Ruano, Jose L.
Toledo, Miguel A.
Urbano, Antonio
Enantiomerically pure (S)S-(p-tolylsulfinyl)-1,4-benzoquinones with alkyl and methoxy substituents at C-2 and/or C-3 are synthesized by CAN oxidation of adequately substituted (S)S-(p-tolylsulfinyl)-1,4-dimethoxyaromatic precursors 2 or 3. These compounds were obtained by ortho-directed metallation or bromo-metal exchange from the corresponding p-methoxyanisoles in a highly regiocontrolled manner.
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Doi:10.1107/S010827019601565X
(1997)Doi:10.1016/0040-4039(96)00632-6
(1996)Doi:10.1002/adsc.201300447
(2013)Doi:10.1016/0022-328X(68)80047-6
(1968)Doi:10.1021/jo100853b
(2010)Doi:10.1039/J19680000554
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