Knowledge (XXG)

Hofmann–Martius rearrangement

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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
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The reaction is also known to work for aryl ethers and two conceptually related reactions are the
94: 288: 242:"XV.—Intramolecular rearrangement of the alkylarylamines: Formation of 4-amino-n-butylbenzene" 59: 32: 17: 280: 253: 222: 191: 51: 323: 226: 195: 292: 257: 55: 310: 40: 284: 241: 210: 179: 74:
When the catalyst is a metal halide the reaction is also called the
54:-alkylated aniline. The reaction requires heat, and the 104:
In one study this rearrangement was applied to a 3-N(CH
313:at 80 °C gives 30% 2-o (ortho) and 37% 2-p (para) 215:Berichte der Deutschen Chemischen Gesellschaft 184:Berichte der Deutschen Chemischen Gesellschaft 8: 128:The reaction is named after German chemists 240:Reilly, J.; Hickinbottom, W. J. (1920). 180:"Methylirung der Phenylgruppe im Anilin" 178:Hofmann, A. W.; Martius, C. A. (1871). 170: 7: 211:"Umwandlung des Anilins in Toluidin" 25: 76:Reilly–Hickinbottom rearrangement 120: 66: 1: 29:Hofmann–Martius rearrangement 18:Hofmann-Martius rearrangement 346: 157:Fischer–Hepp rearrangement 134:Carl Alexander von Martius 130:August Wilhelm von Hofmann 91:Fischer–Hepp rearrangement 39:converting an N-alkylated 146:Friedel–Crafts alkylation 99:Friedel–Crafts alkylation 227:10.1002/cber.18720050241 196:10.1002/cber.18710040271 330:Rearrangement reactions 209:Hofmann, A. W. (1872). 37:rearrangement reaction 43:to the corresponding 258:10.1039/ct9201700103 82:and Joseph Reilly). 80:Wilfred Hickinbottom 152:Fries rearrangement 87:Fries rearrangement 95:reaction mechanism 285:10.1021/ol061191z 148:-like reactions: 60:hydrochloric acid 33:organic chemistry 16:(Redirected from 337: 314: 303: 297: 296: 268: 262: 261: 237: 231: 230: 206: 200: 199: 175: 124: 70: 58:is an acid like 21: 345: 344: 340: 339: 338: 336: 335: 334: 320: 319: 318: 317: 304: 300: 273:Organic Letters 270: 269: 265: 239: 238: 234: 208: 207: 203: 177: 176: 172: 167: 142: 115: 111: 107: 23: 22: 15: 12: 11: 5: 343: 341: 333: 332: 322: 321: 316: 315: 298: 279:(16): 3497–9. 263: 232: 221:(2): 720–722. 201: 169: 168: 166: 163: 162: 161: 160: 159: 154: 141: 138: 126: 125: 116:)-2-oxindole: 113: 109: 105: 72: 71: 24: 14: 13: 10: 9: 6: 4: 3: 2: 342: 331: 328: 327: 325: 312: 308: 302: 299: 294: 290: 286: 282: 278: 274: 267: 264: 259: 255: 251: 247: 243: 236: 233: 228: 224: 220: 216: 212: 205: 202: 197: 193: 189: 185: 181: 174: 171: 164: 158: 155: 153: 150: 149: 147: 144: 143: 139: 137: 135: 131: 123: 119: 118: 117: 102: 100: 96: 92: 88: 83: 81: 78:(named after 77: 69: 65: 64: 63: 61: 57: 53: 50: 46: 42: 38: 34: 30: 19: 306: 301: 276: 272: 266: 249: 246:J. Chem. Soc 245: 235: 218: 214: 204: 187: 183: 173: 127: 103: 84: 75: 73: 28: 26: 252:: 103–137. 190:(2): 742. 165:References 47:and / or 324:Category 305:heating 293:16869644 140:See also 89:and the 56:catalyst 311:toluene 41:aniline 291:  93:. Its 45:ortho 35:is a 289:PMID 132:and 52:aryl 49:para 27:The 309:in 281:doi 254:doi 250:117 223:doi 192:doi 108:)(C 31:in 326:: 287:. 275:. 248:. 244:. 217:. 213:. 186:. 182:. 136:. 101:. 62:. 307:1 295:. 283:: 277:8 260:. 256:: 229:. 225:: 219:5 198:. 194:: 188:4 114:5 112:H 110:6 106:3 20:)

Index

Hofmann-Martius rearrangement
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

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