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Hofmann–Martius rearrangement

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111: 57: 260:
Magnus, Philip; Turnbull, Rachel (2006). "Thermal and Acid-Catalyzed Hofmann–Martius Rearrangement of 3-N-Aryl-2-oxindoles into 3-(Arylamino)-2-oxindoles".
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centers around dissociation of the reactant with the positively charged organic residue R attacking the aniline ring in a
56: 318: 145: 79: 134: 87: 122: 118: 33: 37: 74:
The reaction is also known to work for aryl ethers and two conceptually related reactions are the
25: 231:"XV.—Intramolecular rearrangement of the alkylarylamines: Formation of 4-amino-n-butylbenzene" 68: 8: 140: 75: 83: 277: 48: 21: 269: 242: 211: 180: 40: 312: 215: 184: 281: 246: 273: 230: 199: 168: 63:
When the catalyst is a metal halide the reaction is also called the
44: 299: 29: 228: 166: 43:-alkylated aniline. The reaction requires heat, and the 93:
In one study this rearrangement was applied to a 3-N(CH
302:at 80 °C gives 30% 2-o (ortho) and 37% 2-p (para) 310: 259: 204:Berichte der Deutschen Chemischen Gesellschaft 197: 173:Berichte der Deutschen Chemischen Gesellschaft 117:The reaction is named after German chemists 229:Reilly, J.; Hickinbottom, W. J. (1920). 169:"Methylirung der Phenylgruppe im Anilin" 167:Hofmann, A. W.; Martius, C. A. (1871). 311: 200:"Umwandlung des Anilins in Toluidin" 13: 14: 330: 65:Reilly–Hickinbottom rearrangement 109: 55: 288: 253: 222: 191: 160: 1: 153: 18:Hofmann–Martius rearrangement 7: 128: 10: 335: 146:Fischer–Hepp rearrangement 123:Carl Alexander von Martius 119:August Wilhelm von Hofmann 80:Fischer–Hepp rearrangement 28:converting an N-alkylated 135:Friedel–Crafts alkylation 88:Friedel–Crafts alkylation 216:10.1002/cber.18720050241 185:10.1002/cber.18710040271 319:Rearrangement reactions 198:Hofmann, A. W. (1872). 26:rearrangement reaction 32:to the corresponding 247:10.1039/ct9201700103 71:and Joseph Reilly). 69:Wilfred Hickinbottom 141:Fries rearrangement 76:Fries rearrangement 84:reaction mechanism 274:10.1021/ol061191z 137:-like reactions: 49:hydrochloric acid 22:organic chemistry 326: 303: 292: 286: 285: 257: 251: 250: 226: 220: 219: 195: 189: 188: 164: 113: 59: 47:is an acid like 334: 333: 329: 328: 327: 325: 324: 323: 309: 308: 307: 306: 293: 289: 262:Organic Letters 258: 254: 227: 223: 196: 192: 165: 161: 156: 131: 104: 100: 96: 12: 11: 5: 332: 322: 321: 305: 304: 287: 268:(16): 3497–9. 252: 221: 210:(2): 720–722. 190: 158: 157: 155: 152: 151: 150: 149: 148: 143: 130: 127: 115: 114: 105:)-2-oxindole: 102: 98: 94: 61: 60: 9: 6: 4: 3: 2: 331: 320: 317: 316: 314: 301: 297: 291: 283: 279: 275: 271: 267: 263: 256: 248: 244: 240: 236: 232: 225: 217: 213: 209: 205: 201: 194: 186: 182: 178: 174: 170: 163: 159: 147: 144: 142: 139: 138: 136: 133: 132: 126: 124: 120: 112: 108: 107: 106: 91: 89: 85: 81: 77: 72: 70: 67:(named after 66: 58: 54: 53: 52: 50: 46: 42: 39: 35: 31: 27: 23: 19: 295: 290: 265: 261: 255: 238: 235:J. Chem. Soc 234: 224: 207: 203: 193: 176: 172: 162: 116: 92: 73: 64: 62: 17: 15: 241:: 103–137. 179:(2): 742. 154:References 36:and / or 313:Category 294:heating 282:16869644 129:See also 78:and the 45:catalyst 300:toluene 30:aniline 280:  82:. Its 34:ortho 24:is a 278:PMID 121:and 41:aryl 38:para 16:The 298:in 270:doi 243:doi 239:117 212:doi 181:doi 97:)(C 20:in 315:: 276:. 264:. 237:. 233:. 206:. 202:. 175:. 171:. 125:. 90:. 51:. 296:1 284:. 272:: 266:8 249:. 245:: 218:. 214:: 208:5 187:. 183:: 177:4 103:5 101:H 99:6 95:3

Index

organic chemistry
rearrangement reaction
aniline
ortho
para
aryl
catalyst
hydrochloric acid
The Hofmann–Martius rearrangement
Wilfred Hickinbottom
Fries rearrangement
Fischer–Hepp rearrangement
reaction mechanism
Friedel–Crafts alkylation
Hofmann–Martius rearrangement of 3-N-Aryl-2-oxindoles
August Wilhelm von Hofmann
Carl Alexander von Martius
Friedel–Crafts alkylation
Fries rearrangement
Fischer–Hepp rearrangement
"Methylirung der Phenylgruppe im Anilin"
doi
10.1002/cber.18710040271
"Umwandlung des Anilins in Toluidin"
doi
10.1002/cber.18720050241
"XV.—Intramolecular rearrangement of the alkylarylamines: Formation of 4-amino-n-butylbenzene"
doi
10.1039/ct9201700103
doi

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