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Beilstein J. Org. Chem. 2017, 13, 1900–1906, doi:10.3762/bjoc.13.185
Graphical Abstract
Scheme 1: Reactions of diphenyl and phenyl selenophen-2-yl thioketones with diazomethane (CH2N2; Sel = seleno...
Scheme 2: Reaction of diaryl thioketones with trimethylsilyldiazomethane (TMS-CHN2).
Scheme 3: Formation of tetraaryl/hetarylethenes 9 from the reaction of TMS-CHN2 with diaryl/hetaryl thioketon...
Scheme 4: Synthesis of dibenzofulvenes 9g–k.
Scheme 5: a) Mechanistic explanation for formation of ethenes 9 from dithiolanes of type 6 and b) desilylatio...
Beilstein J. Org. Chem. 2016, 12, 1421–1427, doi:10.3762/bjoc.12.136
Scheme 1: Reactions of aromatic thiocarbonyl S-methanides 2a,b with ferrocenyl thioketones 1 (Table 1).
Figure 1: ORTEP Plot [16] of the molecular structures of the ferrocenyl-substituted 1,3-dithiolanes 5b and 5f (wi...
Scheme 2: Reactions of cycloaliphatic thiocarbonyl S-methanides with ferrocenyl hetaryl thioketones 1 (Table 1).
Scheme 3: Reaction of 3c with ferrocenyl methyl thioketone 1e.
Scheme 4: Mesomeric stabilization of the 1,5-diradical intermediate in the reaction of aromatic thiocarbonyl S...