a new libr-catalyzed, facile and efficient method for the synthesis of 14-alkyl or...

2006 Benzopyran derivatives R 0350 A New LiBr-Catalyzed, Facile and Efficient Method for the Synthesis of 14-Alkyl or Aryl-14H-dibenzo[a,j]xanthenes and Tetrahydrobenzo[b]pyrans under Sol- vent-Free Conventional and Microwave Heating. — Optimized conditions are ap- plied to the preparation of the synthetically important classes (III) and (VII). — (SAINI, A.; KUMAR, S.; SANDHU*, J. S.; Synlett 2006, 12, 1928-1932; Dep. Chem., Punjabi Univ., Patiala 147 002, India; Eng.) — Mais 49- 136

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Page 1: A New LiBr-Catalyzed, Facile and Efficient Method for the Synthesis of 14-Alkyl or Aryl-14H-dibenzo[a,j]xanthenes and Tetrahydrobenzo[b]pyrans under Solvent-Free Conventional and Microwave

2006

Benzopyran derivativesR 0350 A New LiBr-Catalyzed, Facile and Efficient Method for the Synthesis of 14-Alkyl

or Aryl-14H-dibenzo[a,j]xanthenes and Tetrahydrobenzo[b]pyrans under Sol-vent-Free Conventional and Microwave Heating. — Optimized conditions are ap-plied to the preparation of the synthetically important classes (III) and (VII). — (SAINI, A.; KUMAR, S.; SANDHU*, J. S.; Synlett 2006, 12, 1928-1932; Dep. Chem., Punjabi Univ., Patiala 147 002, India; Eng.) — Mais

49- 136

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