Science of Synthesis: Knowledge Updates 2020/3

lt;p>4.4.28.17 a-Silyl Alcohols, Ethers, and Amines (Update 2020)
4.4.32.14 Allenylsilanes (Update 2020)
5.1.3 Product Subclass 3: Metalated Germanium Compounds
5.1.13.3 Germylamines (Update 2020)
14.4.14 2H-1-Benzopyran-2-ones (Update 2020)
14.4.15 2H-1-Benzopyran-2-thiones (Update 2020)
14.4.16 1H-2-Benzopyran-1-ones (Update 2020)
14.4.17 3H-2-Benzopyran-3-ones (Update 2020)
14.4.18 6H-Dibenzo[b,d]pyran-6-ones (Update 2020)
14.4.19 9H-Xanthen-9-ones (Update 2020)
14.4.20 9H-Xanthene-9-thiones (Update 2020)
14.5.3 3-Oxidopyrylium Salts and Their Thio and Benzo-Fused Analogues (Update 2020)
14.7.5 Benzothiopyrylium Salts (Update 2020)
14.8.6 Thiopyranones and Thiopyranthiones (Update 2020)
14.10.3 Selenopyrylium and Benzoselenopyrylium Salts (Update 2020)
14.12.3 Telluropyrylium and Benzotelluropyrylium Salts (Update 2020)