A new approach to linear tetracycles via Michael reactions of quinizarinquinone with O-silylated ketene acetals

Kenji Hayakawa; Mariko Aso; Ken Kanematsu

doi:10.1039/C39870000102

A new approach to linear tetracycles via Michael reactions of quinizarinquinone with O-silylated ketene acetals

Kenji Hayakawa, Mariko Aso, Ken Kanematsu

Chemo-Pharmaceutical Sciences

Research output: Contribution to journal › Article › peer-review

10 Citations (Scopus)

Abstract

The Michael-type reaction of quinizarinquinone and 1-ethoxy-1- (trimethylsiloxy)buta-1,3-diene followed by Lewis acid-catalysed [1,5] sigmatropic rearrangement and Friedel-Crafts cyclisation provides a new route to variously functionalized tetracycles.

Original language	English
Pages (from-to)	102-104
Number of pages	3
Journal	Journal of the Chemical Society, Chemical Communications
Issue number	2
DOIs	https://doi.org/10.1039/C39870000102
Publication status	Published - Dec 1 1987

All Science Journal Classification (ASJC) codes

Molecular Medicine

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title = "A new approach to linear tetracycles via Michael reactions of quinizarinquinone with O-silylated ketene acetals",

abstract = "The Michael-type reaction of quinizarinquinone and 1-ethoxy-1- (trimethylsiloxy)buta-1,3-diene followed by Lewis acid-catalysed [1,5] sigmatropic rearrangement and Friedel-Crafts cyclisation provides a new route to variously functionalized tetracycles.",

author = "Kenji Hayakawa and Mariko Aso and Ken Kanematsu",

year = "1987",

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AU - Kanematsu, Ken

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Y1 - 1987/12/1

N2 - The Michael-type reaction of quinizarinquinone and 1-ethoxy-1- (trimethylsiloxy)buta-1,3-diene followed by Lewis acid-catalysed [1,5] sigmatropic rearrangement and Friedel-Crafts cyclisation provides a new route to variously functionalized tetracycles.

AB - The Michael-type reaction of quinizarinquinone and 1-ethoxy-1- (trimethylsiloxy)buta-1,3-diene followed by Lewis acid-catalysed [1,5] sigmatropic rearrangement and Friedel-Crafts cyclisation provides a new route to variously functionalized tetracycles.

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A new approach to linear tetracycles via Michael reactions of quinizarinquinone with O-silylated ketene acetals

Abstract

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