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The first example of the [4+2] cycloaddition reaction of silylketenes with 1,3-dienes: A convenient preparation of 2-pyranones and isochromenes

✍ Scribed by Tatsuya Ito; Toyohiko Aoyama; Takayuki Shioiri


Publisher
Elsevier Science
Year
1993
Tongue
French
Weight
237 KB
Volume
34
Category
Article
ISSN
0040-4039

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πŸ“œ SIMILAR VOLUMES


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The kinetics of the [2 + + 4] cycloadditions of 1,3-dithian-2-cycloaddition pathway by the correlation lg k = s (E + N). Though a concerted cycloaddition pathway is not excluded ylium ions (1) with 1,3-dienes was investigated photometrically in dichloromethane. The second-order rate by this finding,

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