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Table <strong>of</strong> Contents LV<br />
17.5.2.2.1 Method 1: Photolysis Reaction <strong>of</strong> Azidopyridines with Nucleophiles .... 948<br />
17.5.2.2.2 Method 2: Photochemical Conversion <strong>of</strong> N-Imides into 1,3-Diazepines .. 948<br />
17.5.2.3 Synthesis by Substituent Modification ..................................... 949<br />
17.5.2.3.1 Method 1: N,N¢-Diacylation <strong>of</strong> 6H-Dibenzo[d,f][1,3]diazepin-6-ones .... 949<br />
17.5.2.3.2 Method 2: Displacement <strong>of</strong> Isothioureas .............................. 950<br />
17.5.3 Product Subclass 3: 1,4-Diazepines ...................................... 951<br />
17.5.3.1 Synthesis by Ring-Closure Reactions ....................................... 952<br />
17.5.3.1.1 By Formation <strong>of</strong> Two N—C Bonds .......................................... 952<br />
17.5.3.1.1.1 Method 1: Reaction <strong>of</strong> Benzene-1,2-diamines with 1,3-Diketones ....... 952<br />
17.5.3.1.1.2 Method 2: Reaction <strong>of</strong> Benzene-1,2-diamines with 2-Halobenzoic Acids 954<br />
17.5.3.1.1.3 Method 3: Reaction <strong>of</strong> Benzene-1,2-diamines with 2-Chloronicotinic<br />
Acids ..................................................... 954<br />
17.5.3.1.1.4 Method 4: Reaction <strong>of</strong> 2-Aminobenzoic Acids with 2-Halonitrobenzenes 956<br />
17.5.3.1.1.5 Method 5: Reaction <strong>of</strong> 2-Aminobenzoic Acids with 2-Chloro-3pyridinamines<br />
............................................ 957<br />
17.5.3.1.2 By Formation <strong>of</strong> Two N—C Bonds and One C—C Bond ....................... 958<br />
17.5.3.1.2.1 Method 1: Intramolecular Ring Closures Using Dimethylformamide<br />
Dimethyl Acetal ........................................... 958<br />
17.5.3.1.2.2 Method 2: Intramolecular Ring Closures through Imino Chlorides ...... 959<br />
17.5.3.2 Synthesis by Ring Transformation .......................................... 960<br />
17.5.3.2.1 Method 1: Intramolecular Nitrene Insertion Reactions <strong>of</strong> Azidopyridines 960<br />
17.5.3.2.2 Method 2: Intramolecular Nitrene Insertion Reactions <strong>of</strong> Azidoquinolines 960<br />
17.5.3.3 Synthesis by Substituent Modification ..................................... 962<br />
17.5.3.3.1 By Replacement <strong>of</strong> Hydrogen ............................................. 962<br />
17.5.3.3.1.1 Method 1: N-Acylation <strong>of</strong> 1,4-Diazepines .............................. 962<br />
17.5.3.3.1.2 Method 2: C3Substitution <strong>of</strong> 1,5-Benzodiazepines by Direct Alkylation . 964<br />
17.5.3.3.1.3 Method 3: C3 Substitution <strong>of</strong> 1,4-Benzodiazepines by Rearrangement .. 966<br />
17.5.3.3.2 1,4-Diazepine Amidines from 1,4-Diazepinones ............................ 968<br />
17.5.3.3.2.1 Method 1: Lewis Acid Mediated Formation from<br />
Dihydro-1,4-diazepinones ................................. 968<br />
17.5.3.3.2.2 Method 2: Imino Chloride Mediated Formation from<br />
Dihydrodibenzo[1,4]diazepinones .......................... 969<br />
17.5.3.3.2.3 Method 3: 1,5-Benzodiazepine Amidines from<br />
Dihydro-1,5-benzodiazepine-2-thiones ..................... 970<br />
17.5.3.3.2.4 Method 4: 1,4-Benzodiazepine Amidines from<br />
Dihydro-1,4-benzodiazepine-2-thiones ..................... 972