John A. Joule & Stephen Philip Marsden 
Science of Synthesis: Knowledge Updates 2021/3 [PDF ebook] 

<p>10.24 Product Class 24: Pyrido[1, 2-a]indoles and Azapyrido[1, 2-a]indoles<br>10.24.1 Product Subclass 1: Pyrido[1, 2-a]indoles and Related Benzo-Fused Ring Systems<br>10.24.2 Product Subclass 2: Pyrimido[1, 2-a]indoles and Related Benzo-Fused Ring Systems<br>10.24.3 Product Subclass 3: Pyrimido[1, 6-a]indoles and Related Benzo-Fused Ring Systems<br>10.24.4 Product Subclass 4: Pyrazino[1, 2-a]indoles and Related Benzo-Fused Ring Systems<br>10.24.5 Product Subclass 5: Pyridazino[1, 6-a]indoles and Related Benzo-Fused Ring Systems<br>21.11.7 Chemoselective Ligation Methods Based on the Concept of Native Chemical Ligation<br>37.9 Product Class 9: 1, 4-Dioxanes<br>3.3.4 Biocatalytic Oxidation of Alcohols: An Overview</p>