Abstract
Lewis acid mediated [3+3] cyclizations of 1,3-bis(silyl enol ethers) with 1,3-dielectrophiles, such as 1,1,3,3-tetramethoxypropane, 3-silyloxy-2-en-1-ones and 1,1-diacylcyclopropanes, provide an efficient approach to a variety of functionalized arenes (such as salicylates and phenols) and other six-membered carbacyclic products.
1 Introduction
2 [3+3] Cyclizations of 1,3-Bis(silyl enol ethers) with 1,3-Bis(acetals)
3 [3+3] Cyclizations of 1,3-Bis(silyl enol ethers) with 1,3-Ketoacetals and 1,3-Keto-S ,O -acetals
4 [3+3] Cyclizations of 1,3-Bis(silyl enol ethers) with 3-Alkoxy-2-en-1-ones and 3-Silyloxy-2-en-1-ones
4.1 Preparative Scope
4.2 Synthetic Applications
5 [3+3] Cyclizations of 1,3-Bis(silyl enol ethers) with 1,1-Diacylcyclopropanes
6 [3+3] Cyclizations of 1,3-Bis(silyl enol ethers) with 1,1-Diacylcyclopentanes
7 [3+3] Cyclizations of 1,3-Bis(silyl enol ethers) with 3-Oxoalkanoic acid derivatives
8 [3+3] Cyclizations of 1-Silyloxy-1-alkoxy-3-arylthiobuta-1,3-dienes, 1,3-Dialkoxy-1-silyloxybuta-1,3-dienes and 1-Silyloxy-1-alkoxy-3-aryloxybuta-1,3-dienes
9 Conclusions
Key words
arenes - cyclization - one-pot reaction - salicylic acid - silyl enol ethers
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