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A Novel Reaction of 1,8-Diazabicyclo[5.4.0]undec-7-ene (DBU) or 1,5-Diazabicyclo[4.3.0]non-5-ene (DBN) with Benzyl Halides in the Presence of Water.

โœ Scribed by Min Shi; Yu-Mei Shen

Publisher
John Wiley and Sons
Year
2010
Weight
30 KB
Volume
33
Category
Article
ISSN
0931-7597

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โœฆ Synopsis

A Novel Reaction of 1,8-Diazabicyclo[5.4.0]undec-7-ene (DBU) or 1,5-Diazabicyclo[4.3.0]non-5

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Diazabicyclo( 5.4 .0)undec-7-ene. -Treatment of halogen compounds (I) with DBU is investigated in order to obtain fluorinated dienes for cycloaddition reactions. However, the expected products (cf. (II)) are only obtained in the case of aryl substituents. Alkyl, cycloalkyl and alkoxy substituents