REFERENCES
- Prakash , O. ; Kumar , A. ; Sadana , A. ; Prakash , R. ; Singh , S. P. ; Claramunt , R. S. ; Sanz , D. ; Alkorta , I. ; Elguero , J. Study of the reaction of chalcone analogs of dehydroacetic acid and o-aminothiophenol: Synthesis and structure of 1,5-benzothiazepines and 1,4-benzothiazines . Tetrahedron 2005 , 61 , 6642 – 6651 .
- Prakash , O. ; Kumar , A. ; Sadana , A. ; Singh , S. P. A novel synthesis of 3-aryl-7-methylpyrano[4,3-b]pyran-4H,5H-dions using hypervalent iodine (III) reagents . Synthesis 2006 , 1 , 21 – 23 .
- Prakash , O. ; Kumar , A. ; Singh , S. P. Synthesis of heterocyclic compounds from the reactions of dehydroacetic acid (DHA) and its derivatives . Heterocycles 2004 , 63 , 1193 .
- Prakash , O. ; Kumar , A. ; Sadana , A. ; Singh , S. P. A facile synthesis of 3,4-dihydro-2-pyronyl-1,5-benzodiazepine derivatives . Synth. Commun. 2002 , 32 , 2663 – 2667 .
- Prakash , R. ; Kumar , A. ; Singh , S. P. ; Aggarwal , R. Dehydroacetic acid and its derivatives in organic synthesis: Synthesis of some new 2-substituted-4-(5-bromo-4-hydroxy-6-methyl-2H-pyran-2-one-3-yl)thiazoles . Indian J. Chem. Sect. B 2007 , 46B , 1713 – 1715 .
- Harris , T. M. ; Harris , C. W. ; Brush , C. K. Bromination of dehydroacetic acid . J. Org. Chem. 1970 , 35 , 1329 – 1333 .
- Kumar , A. ; Prakash , R. ; Singh , S. P. ; Prakash , O. Synthesis of 3β,3β,5-tribromoacetyl-4-hydroxy-6-methyl-2H-pyran-2-one by bromination of DHA . Synth. Commun. 2005 , 35 , 461 .
- Clark , J. H. Green chemistry: Challenges and opportunities . Green Chem. 1999 , 1 , 1 – 8 .
- Anastas , P. T. ; Warner , J. C. Green Chemistry: Theory and Practice ; Oxford University Press : Oxford , U.K. , 2000 ; pp. 20 – 33 .
- Lidstrom , P. ; Tierney , J. ; Wathey , B. ; Westman , J. Microwave-assisted organic synthesis: A review . Tetrahedron 2001 , 57 , 9225 .
- Nuchter , M. ; Ondruschka , B. ; Bonrath , W. ; Gum , A. Microwave-assisted synthesis: A critical technology overview . Green Chem. 2004 , 6 , 128 – 141 .
- Goswami , S. ; Dey , S. ; Jana , S. ; Adak , A. K. Side chain bromination of mono- and dimethyl heteroaromatic and aromatic compounds by solid-phase N-bromosuccinimide reaction without radical initiator under microwave . Chem. Lett. 2004 , 33 , 916 – 917 .
- Kuang , C. ; Yang , Q. ; Senboku , H. ; Tokuda , M. Synthesis of (Z)-1-bromo-1-alkenes and terminal alkynes from anti-2,3-dibromoalkanoic acids by microwave-induced reaction . Tetrahedron 2005 , 61 , 4043 – 4052 .
- Paul , S. ; Gupta , V. ; Gupta , R. ; Loupy , A. Microwave-induced selective synthesis of α-bromo and α,α-dibromoalkanones using dioxane-dibromide and silica gel under solvent-free conditions. Tetrahedron Lett. 2003, 44, 439–442.
- Khurana , J. M. ; Arora , R. Microwave-assisted solvent-free oxidation of hydrobenzoins, benzoins, and alcohol with NBS-Al2O3 . Arkivoc 2008 , 211 – 215 .
- Budarin , V. L. ; Clark , J. H. ; Tavener , S. J. ; Wilson , K. Chemical reactions of double bonds in activated carbon: Microwave and bromination methods . Chem. Commun. 2004 , 2736 – 2737 .
- Lambert , F. L. ; Ellis , W. D. ; Parry , R. J. Halogenation of aromatic compounds by N-bromo and N-chlorosuccinimide under ionic conditions . J. Org. Chem. 1965 , 30 , 304 – 306 .
- Pravst , I. ; Zupan , M. ; Stavber , S. Halogenation of ketones with N-halosuccinimide under solvent-free reaction conditions . Tetrahedron 2008 , 64 , 5191 – 5199 .
- Pravst , I. ; Zupan , M. ; Stavber , S. Directed regioselectivity of bromination of ketones with NBS: Solvent-free conditions versus water . Tetrahedron Lett. 2006 , 47 , 4707 – 4710 .
- Lee , J. C. ; Bae , Y. H. ; Chang , S. K. Efficient α-halogenation of carbonyl compounds by N-bromosuccinimide and N-chlorosuccinimide . Bull. Korean Chem. Soc. 2003 , 24 , 407 – 408 .
- Pravst , I. ; Zupan , M. ; Stavber , S. Introduction of halogen atoms into organic compounds under solvent-free reaction conditions . Curr. Org. Chem. 2009 , 13 , 47 – 70 .
- Prakash , R. ; Kumar , A. ; Aggarwal , R. ; Prakash , O. ; Singh , S. P. α,α-Dibromoketones: A superior alternative to α-bromoketones in hantzsch thiazole synthesis . Synth. Commun. 2007 , 37 , 2501 – 2505 .
- Ahluwalia , V. K. ; Mehta , B. ; Kumar , R. Mechanism of the debromination in heterocyclization using α,α-dibromocarbonyl compounds as synthons . Synth. Commun. 1989 , 19 , 619 – 626 .
- Ahluwalia , V. K. ; Mehta , B. ; Rawat , M. An expeditious study of the nature of halogen(s) at α-position of carbonyl compounds . Synth. Commun. 1992 , 22 , 2697 – 2701 .