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ChemInform Abstract: Nucleophilic Catalysis with 1,8-Diazabicyclo[5.4.0]undec-7-ene (DBU) for the Esterification of Carboxylic Acids with Dimethyl Carbonate.

โœ Scribed by Wen-Chung Shieh; Steven Dell; Oljan Repic


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

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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