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- W2133118049 endingPage "429" @default.
- W2133118049 startingPage "410" @default.
- W2133118049 abstract "Aside from elements of the 2nd row, and one element of the 3rd row of the periodic system—Si, P, S, and Se, respectively, whose organoelement groups such as Me3Si and Ph3P⊕ have proven useful in numerous organic syntheses—other elements of the 3rd as well as 4th and 5th row (Ge, As, Sn, Sb, Te, Pb, Bi) can also be used as components of synthetically useful organoelement groups, the elements As, Sn, and Pb, in particular, offering certain advntages over the others. Some of these organoelement groups are suitable equivalents for Li- or halogen-substituents attached to carbon; they stabilize carbanionic centers (minimum of this effect at the 3rd-row elements), and owing to their suitability as leaving groups in β-eliminations, also open up interesting synthetic possibilities. The thermally unduced syn- and silica-gel induced anti-elimination of Ph3Sn, Ph2Sb, Ph3Pb, together with β-OH, are novel. With the newly synthesized compounds PhnEl—Ch2—Li (El = Sn, Pb, As, Sb, Bi) and other α- and β-lithiated RnEl- and Ph2As(O)-reagents such organoelement groups can be introduced into organic compounds and exploited in organic and organoelement synthesis." @default.
- W2133118049 created "2016-06-24" @default.
- W2133118049 creator A5083282432 @default.
- W2133118049 date "1982-06-01" @default.
- W2133118049 modified "2023-10-17" @default.
- W2133118049 title "New Possible Applications of Heavy Main-Group Elements in Organic Synthesis" @default.
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