Heterocyclic Chemistry at a Glance
Purines 125 Electrophilic substitution at carbon Simple purines are generally resistant to electrophilic substitution at carbon ...
126 Purines Regiospecifi c 7-alkylations can be achieved via the quaternisation of a 9-riboside followed by hydrolytic removal o ...
Purines 127 (regarding reactivity, rates and selectivity) between different permutations of leaving group and nucleophile is ver ...
128 Purines C-Metallated purines by direct deprotonation or halogen–metal exchange After protection of the 9-position, purines c ...
Purines 129 Conversion of oxygen into leaving groups As discussed previously, nucleophilic displacement of leaving groups is a v ...
130 Purines A related reaction with an alkyl nitrite produces purinyl radicals, which are effi ciently converted into halopurine ...
Purines 131 Synthesis of purines from 5-aminoimidazole-4-carboxamide (1,2- and 2,3-bonds made) 5-Aminoimidazole-4-carboxamide (u ...
Heterocyclic Chemistry at a Glance, Second Edition. John A. Joule and Keith Mills. © 2013 John Wiley & Sons, Ltd. Published ...
Heterocycles with More than Two Heteroatoms: Higher Azoles (5-Membered) and Higher Azines (6-Membered) 133 1,2,3-Triazoles are r ...
134 Heterocycles with More than Two Heteroatoms: Higher Azoles (5-Membered) and Higher Azines (6-Membered) 1,2,4-Triazoles alkyl ...
Heterocycles with More than Two Heteroatoms: Higher Azoles (5-Membered) and Higher Azines (6-Membered) 135 C-Metallation 1-Alkyl ...
136 Heterocycles with More than Two Heteroatoms: Higher Azoles (5-Membered) and Higher Azines (6-Membered) Copper catalysis is o ...
Heterocycles with More than Two Heteroatoms: Higher Azoles (5-Membered) and Higher Azines (6-Membered) 137 N-Acylbenzotriazoles, ...
138 Heterocycles with More than Two Heteroatoms: Higher Azoles (5-Membered) and Higher Azines (6-Membered) Of the oxa- and thia- ...
Heterocycles with More than Two Heteroatoms: Higher Azoles (5-Membered) and Higher Azines (6-Membered) 139 Higher azines Any or ...
140 Heterocycles with More than Two Heteroatoms: Higher Azoles (5-Membered) and Higher Azines (6-Membered) The thermal stabiliti ...
Heterocycles with More than Two Heteroatoms: Higher Azoles (5-Membered) and Higher Azines (6-Membered) 141 Oxadiazinones are goo ...
142 Heterocycles with More than Two Heteroatoms: Higher Azoles (5-Membered) and Higher Azines (6-Membered) Dimethyl 1,2,4,5-tetr ...
Heterocyclic Chemistry at a Glance, Second Edition. John A. Joule and Keith Mills. © 2013 John Wiley & Sons, Ltd. Published ...
144 Heterocycles with Ring-Junction Nitrogen (Bridgehead Nitrogen) Indolizine Indolizine is an electron-rich system with a react ...
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