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2tf-Pyran-2-one

The Pd-catalysed annulation of p-chloroaciylates with alkynes affords good yields of trisubstituted 2tf-pyran-2-ones (Scheme 26) <01NJCI79>. [Pg.340]

Dihydro-4,6-dihydroxy-2-(l-methylethenyl)-5-(2-methyl-l-oxopropyl)-7-benzofuranyl]methyl]-6-ethyl-4-hydroxy-5-methyl-2tf-pyran-2-one, 2082 3-[[5,7-Dihydroxy-2,2-dimethyl-6-(2-methyl-l-oxopropyl)-2//-l-benzopyran-8-yl]methyl]-6-ethyl-4-hydroxy-5-methyl-2//-pyran-2-one, 2082... [Pg.2678]

See other pages where 2tf-Pyran-2-one is mentioned: [Pg.365] [Pg.365]

See also in sourсe #XX -- [ Pg.4 , Pg.49 , Pg.56 ]