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Dimerization and Intermolecular Cycloaddition Reactions

A review of the influence of substituent effects on photochemical cycloaddition reactions has been published.154 Another short review on photocycloaddition reactions has also appeared.155 [Pg.339]

Two studies of the addition of olefins to 9-cyanophenanthrene have been reported.165 167 Mizuno et al. have examined the addition of the olefins (234a—e) [Pg.339]

A previous publication of the attempted photoaddition of fumaric acid to stilbene reported the failure of the reaction.1 2 Green and Retjo1 8 have reexamined the reaction and have found that a 46% yield of the diester (238) of / -truxinic acid is obtained when / / -stilbene is irradiated (Pyrex) in benzene solution with dimethyl fumarate. Trace amounts of dimethyl 8-truxinate (239) and dimethyl neo-truxinate (240) are also formed. [Pg.342]

A full report of the photochemical addition of 1,3-diphenylisobenzofuran to cycloheptatriene has been made.1 4 196 The 0-acetonaphthone-sensitized addition of cis- and trans-1 -chloropropene to cyclopentadiene has been reported in detail.1 167 The isomer distribution was shown to be temperature dependent. 182 183 185 187 [Pg.342]


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