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<p><b>I. The 1,2,3-Triazrnes 1<br /></b><i>By John G. Erickson</i></p> <p>Introduction 1</p> <p>1. Uncondensed 1,2,3-Triazines 3</p> <p>A. Unbridged 1,2,3-Triazine Rings 3</p> <p>B. 1,2,3-Triazine Rings with Valence Bridges 4</p> <p>2. 1,2,3-Triazine Rings Condensed with Carbocycles 5</p> <p>A. Condensed with Benzene 5</p> <p>(1) 1,2,3-Benzotriazine 5</p> <p>(2) 1,2,3-Benzotriazines with Valence Bridges 27</p> <p>B. Condensed with Naphthalene 31</p> <p>(1) Condensed with the 2,3 Positions of Naphthalene 31</p> <p>(2) Condensed with the 1,8 Positions of Naphthalene 31</p> <p>3. 1,2,3-Triazine Rings Condensed with Heterocycles 34</p> <p>A. Condensed through Two Carbon Atoms 34</p> <p>(1) Condensed with the Thiazole Ring 34</p> <p>(2) Condensed with the Pyrazole Ring 35</p> <p>B. Condensed through a Carbon Atom and a Nitrogen Atom 36</p> <p>(1) Condensed with the Pyrazole Ring 36</p> <p>(2) Condensed with the Thiazole Ring 37</p> <p>(3) Condensed with the Imidazole Ring 38</p> <p>(4) Condensed with the Pyrimidine Ring 41</p> <p>Bibliography 41</p> <p><b>II. The 1,2,4-Triazines 44<br /></b><i>By John G. Erickson</i></p> <p>Introduction 44</p> <p>1. Uncondensed 1,2,4-Triazines 45</p> <p>A. Unbridged 1,2,4-Triazine Rings 45</p> <p>B. 1,2,4-Triazine Rings with Valence Bridges 85</p> <p>2. 1,2,4-Triazine Rings Condensed with Carbocycles 88</p> <p>A. As Parts of Spiro Ring Systems 88</p> <p>B. Condensed with Alicyclic Ring Systems in 1,2 Positions 89</p> <p>(1) Condensed with Cyclopentane 89</p> <p>(2) Condensed with the Norcamphane System 89</p> <p>(3) Condensed with the Cyclopentaphenanthrene Ring System 91</p> <p>(4) Condensed with the Spiro [4,5] decane Ring System 92</p> <p>(5) Condensed with the Phenanthridine Ring System 92</p> <p>C. Condensed with the Benzene Ring 93</p> <p>(1) 1,2,4-Benzotriazine 93</p> <p>(2) Two 1,2,4-Triazine Rings Condensed with One Benzene Ring 111</p> <p>D. Condensed with Naphthalene 112</p> <p>(1) Condensed with the 2,3 Positions of Naphthalene  112</p> <p>(2) Condensed with the 1,2 Positions of Naphthalene 113</p> <p>E. Condensed with Higher Aromatic Ring Systems 120</p> <p>(1) Condensed with the Acenaphthene System 120</p> <p>(2) Condensed with the Phenanthrene System 121</p> <p>3. 1,2,4-Triazine Rings Condensed with Heterocycles 124</p> <p>A. Condensed through Carbon Atoms 124</p> <p>(1) Condensed with the Pyran Ring 124</p> <p>(2) Condensed with the Indole Ring System 125</p> <p>B. Condensed through a Carbon Atom and a Nitrogen Atom 128</p> <p>(1) Condensed with the Pyrazole Ring 128</p> <p>(2) Condensed with the Indazole Ring System 131</p> <p>(3) Condensed with the 1,2,4-Triazole Ring 132</p> <p>Bibliography 132</p> <p><b>III. The 1,2,3,4-Tetrazines 138<br /></b><i>By V.P.Wystrach</i></p> <p>Introduction 138</p> <p>1. Uncondensed 1,2,3,4-Tetrazines 140</p> <p>A. 1,2,3,4-Tetrazine 140</p> <p>B. Dihydro-1,2,3,4-Tetrazines 141</p> <p>(1) Substituted in the 2- and 3-Positions with Aryl Groups 142</p> <p>(2) Substituted in the 2- and 3-Positions with Benzoyl Groups 150</p> <p>(3) 1,2- and 2,5-Dihydro-1,2,3,4-Tetrazines 159</p> <p>C. Tetrahydro-1,2,3,4-Tetrazines 162</p> <p>D. Hexahydro-1,2,3,4-Tetrazines 163</p> <p>E. 1,2,3,4-Tetrazines with Valence Bridges 164</p> <p>2. 1,2,3,4-Tetrazine Rings Condensed with Carbocycles 165</p> <p>A. Condensed with a Benzene Ring 165</p> <p>B. Condensed with a Naphthalene Ring 168</p> <p>3. 1,2,3,4-Tetrazine Rings Condensed with Heterocycles 171</p> <p>A. Condensed through Two Carbon Atoms 171</p> <p>(1) Condensed with 1,4-Pyrone 171</p> <p>(2) Condensed with 1,2,3-Triazole 171</p> <p>B. Condensed through a Carbon Atom and a Nitrogen Atom 173</p> <p>(1) Condensed with Piperidine 173</p> <p>(2) Condensed with 1,2,4-Triazole 174</p> <p>Bibliography 175</p> <p><b>IV. The 1,2,3,5- Tetrazines 177<br /></b><i>By</i> <i>John G. Erickson</i></p> <p>Bibliography 178</p> <p><b>V. The 1,2,4,5-Tetrazines 179<br /></b><i>By Paul F. Wiley</i></p> <p>Introduction 179</p> <p>1. Uncondensed s-Tetrazines 182</p> <p>A. Mononuclear s-Tetrazines 182</p> <p>(1) s-Tetrazines and Hydro Derivatives 182</p> <p>(2) Substituted s-Tetrazines and Hydro Derivatives 186</p> <p>B. Polynuclear Uncondensed s-Tetrazines 207</p> <p>(1) Aliphatic Carbocydic Rings Coupled Directly to s-Tetrazines 207</p> <p>(2) Aromatic Carbocydic Rings Coupled Directly to s-Tetrazines 208</p> <p>(3) Heterocyclic Rings Coupled Directly to s-Tetrazines 236</p> <p>(4) Rings Coupled through Carbon Chains to s-Tetrazines 238</p> <p>2. Condensed s-Tetrazines 244</p> <p>Bibliography 246</p> <p><b>VI. The Pentazines 250<br /></b><i>By John G. Erickson</i></p> <p>Bibliography 251</p> <p>Subject Index 253</p>

<p>John G. Erickson and Paul F. Wiley are the authors of The 1,2,3- and 1,2,4-Triazines, Tetrazines and Pentazines, Volume 10, published by Wiley.

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