机译:An Unusual Grob-type C-C/C-O Bond Cleavage of 5-Acyl-2,3-dihydro-4H-pyran-4-one Derivatives
Bharathidasan Univ, Sch Chem, Tiruchirappalli 620024, India;
LMU Muenchen, Dept Chem, Butenandtstrasse 5-13, D-81377 Munich, Germany;
2,3-Dihyro-4H-pyran-4-ones (DHPs); Domino C-C/C-O; bond cleavage; Hydrazine hydrate; Grob-type Fragmentation; 1H-Pyrazole; TANDEM NUCLEOPHILIC ADDITION/FRAGMENTATION; DIELS-ALDER REACTION; ONE-POT; 1,3-DICARBONYL COMPOUNDS; REGIOSELECTIVE SYNTHESIS; ACETYLENIC KETONES; FRAGMENTATION; PYRAZOLES; CYCLOCONDENSATION; INHIBITORS;