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3.5 Biofilm activity 98 3.5.1 N1-alkyl 2-aminoimidazoles 99 3.5.2 Further Modification in the most active core structure 102 3.5.3 Cyclo-alkyl 2-aminoimidazoles 104 3.6 Conclusion 106 3.7 Experimental 107 3.8 Experimental protocols 108 3.9 Spectral Characterization 109 3.10 Representative NMR spectra 122 3.11 References 124 CHAPTER – 4 Copper Catalyzed Microwave Assisted One Pot Synthesis of 2-Aminoimidazole- Triazole Framework via Dimorth Rearrangement and Click Reaction. 4.1 Introduction 127 4.2 Optimization Study 128 4.3 Results and discussion 130 4.4 Possible Mechanism 133 4.5 Conclusion 134 4.6 Experimental 134 4.7 Experimental Protocols 135 4.8 Spectral Characterization 136 4.9 Representative NMR spectra 149 4.10 References 151 CHAPTER – 5 Synthesis, Characterization, Crystal and molecular structure analysis of DP-7: A new Multi Drug Resistance Reverter Lead Molecule 5.1 Introduction 154 5.2 Reaction Scheme 155 5.3 Method of crystallization 155 5.4 Crystal structure determination 155
5.5 Results and discussion 156 5.6 Conclusion 160 5.7 Experimental 161 5.8 Spectral Characterization 161 5.9 Representative NMR spectra 163 5.10 References 165 SUMMARY CONFERENCES/SEMINARS/WORKSHOPS ATTENDED LIST OF PUBLICATIONS
Page 1 and 2: Saurashtra University Re - Accredit
Page 3: JANUARY-2011 Statement under O. Ph.
Page 7 and 8: Acknowledgment This thesis arose in
Page 9 and 10: since I was a child. My Mother Hans
Page 11: CHAPTER - 2 Microwave Assisted Synt
Page 15 and 16: Ms Mesyl MW Microwave NBS N-bromosu
Page 17 and 18: 1. Microwave Assisted Organic Synth
Page 19 and 20: 1.4 Heating Mechanism In microwave
Page 21 and 22: 1.5. Effects of solvents Every solv
Page 23 and 24: 1.7 Application of microwave in org
Page 25 and 26: aromatic amines, Lancini’s group
Page 27 and 28: 1.9 2-Aminoimidazole Alkaloids The
Page 29 and 30: Recently group of Erik 83 described
Page 31 and 32: 1.10 Methods for the preparation of
Page 33 and 34: R 1 O X R 2 NH 2 H 2N NAc R 1 HN R
Page 35 and 36: this manifold, was reported in 1925
Page 37 and 38: Another route to 4(5)-acyl-2-amino-
Page 39 and 40: this series of compounds against th
Page 41 and 42: documented. Extra care is needed be
Page 43 and 44: Very recently the research group of
Page 45 and 46: OH a,b O N H2N N Boc N 3 H N R N N
Page 47 and 48: 1.12.2 Biofilm Growth Cycle 1) Plan
Page 49 and 50: can survive both the onslaught of a
Page 51 and 52: [26] Leadbeater, N. E. (2004) Chemi
Page 53 and 54: [86] Kreutzberger, A. (1962) J. Org
Page 55 and 56: Microwave Assisted Synthesis & Stru
Page 57 and 58: 2.1 Introduction As described in ch
Page 59 and 60: 2.3 Proposed Mechanism: Regarding t
Page 61 and 62: No. 12 60 120 traces 84 a All react
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the development of biofilm related
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In first instance, a series of 2-hy
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Br N N N R 1 OH Br N N N R 1 OH Fig
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do have a very strong effect agains
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2.6 Conclusion In the present study
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2.8 Biological assays 2.8.1 Static
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2.9 Experimental protocol: 2.9.1 Ge
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temperature of 80 °C and a maximum
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29.5,29.4, 29.2, 27.0, 22.6, 14.1.
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Yield: 78 %. 1 H NMR (300 MHz, CDCl
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N Br N N C 14H 29 OH Yield: 72 %. 1
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(75.5 MHz, CDCl3): δ = 167.7, 154.
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N Br N N C 14H 29 OH Cl Yield: 90 %
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2-(3,4-Dichlorophenyl)-2-hydroxy-1-
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N Br N N C 8H 17 OH NO 2 Yield: 49
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C3H7 HN N N H Cl Cl Yield : 70 %. 1
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(s, 1H), 3.16 (s, 3H), 1.80 (m, 2H)
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5-(4’-Nitrobiphenyl-4-yl)-N-octyl
Page 99 and 100:
2.11 Representative NMR spectra 2.1
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2.11.3 10.4329 0.7429 151.5720 10.0
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[21] Matz C, McDougald D, Moreno A.
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Chapter-3 Structure Activity Relati
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imidazoles, where the addition of a
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3.4 Result and Discussion It was fo
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No. H 2N Compound Code N N C8H17 R1
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medium used in the set-up to monito
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H 2N N N N H2N N R R Figure-1 Effec
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3.5.3 Cyclo-alkyl 2-aminoimidazoles
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3.6. Conclusion In the present stud
Page 121 and 122:
3.8. Experimental protocols 3.8.1 G
Page 123 and 124:
122.6, 54.6, 33.3(×2), 27.3 (×2),
Page 125 and 126:
Page 127 and 128:
5-(4-Chlorophenyl)-1-cyclooctyl-1H-
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Yield: 50 %. Mp: 76-78 ° C. 1 H NM
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5-(4-Chlorophenyl)-1-cyclobutyl-1H-
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Yield: 66%. 1 H NMR (300 MHz, CDCl3
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3.10 Representative NMR spectra 3.1
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3.11 References [1] (a) Alvi K. A,
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Copper Catalyzed Microwave Assisted
Page 141 and 142:
4.1 Introduction There are only a f
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(Table-1, No- 6). Next reaction tem
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No. Product, Yield b (%) No. Produc
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4.4 Possible Mechanism Regarding th
Page 149 and 150:
4.7 Experimental protocols 4.7.1 Ge
Page 151 and 152:
Page 153 and 154:
1-(3-Azidopropyl)-2-(3,4-dichloroph
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Yield: 84 %. 1 H NMR (300 MHz, DMSO
Page 157 and 158:
Page 159 and 160:
Page 161 and 162:
1H), 1.66 (m, 6H), 1.70 (m, 2H). 13
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5.48 Hz, 2H), 3.59 (m, 2H), 3.16 (d
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4.10 References [1] For a general r
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Crystal and Molecular Structure Ana
Page 169 and 170:
5.1 Introduction The membrane efflu
Page 171 and 172:
oscillation range of 5˚ and proces
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C12-C13 1.372(4) C32-C37 1.390(3) C
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Fig.-3: Packing of the molecules wh
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1 H NMR (400 MHz CDCl3): δ = 7.57-
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5.9.2 13 C spectra of bs-DP-7
Page 181 and 182:
SUMMARY The work represented in the
Page 183 and 184:
CONFERENCES/SEMINARS/WORKSHOPS ATTE
Page 185:
PUBLICATIONS [1] One-Pot Microwave-
Page 200 and 201:
Scheme 2 Competitive formation of 1
Page 202 and 203:
Table 2 continued 9 10 11 12 N hydr
Page 204:
8. Colson G, Raboult L, Lavelle F,
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