Archiv der Pharmazie p. 483 - 487 (1989)
Update date:2022-08-03
Topics:
Pachaly, Peter
Schaefer, Michael
The biphenyl derivatives S-1 and S-3 were obtained by mixed Ullmann reaction of the phenylacetic esters 3, 4 and 5.Because they contain selectively removable protective groups for the carboxyl functions, S-1 and S-3 are proper intermediates for the constitution selective reaction with the former described asymmetrical dibenzo-1,4-dioxin derivative K.
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(1999)Doi:10.1016/S0040-4039(99)01139-9
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(1999)Doi:10.1080/00397910903340710
(2010)Doi:10.1021/ja981402y
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