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Attempted reformatskii reaction of benzonitrile, 1,4-diketo-3,6-diphenylpyrrolo[3,4-C]pyrrole. A lactam analogue of pentalene.

✍ Scribed by Donald G. Farnum; Goverdhan Mehta; George G.I. Moore; Frederick P. Siegal


Book ID
104244317
Publisher
Elsevier Science
Year
1974
Tongue
French
Weight
185 KB
Volume
15
Category
Article
ISSN
0040-4039

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✦ Synopsis


Some time ago we became interested in the synthesis of derivatives of Z-azetlnone (1). a lactam analogue of the "antiaromatic" hydrocarbon, cyclobutadiene.

It seemed possible that a modification of the Reformatskii reaction, already used for the synthesis of Z-azetidinones, or g-lactams,

1 might yield Z-azetinones as well , as shown in equations ( ) and ( ).


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The Photo Physical Properties of Dendrim
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## Abstract **Summary:** The photophysical properties of dendrimers with 1,4‐dioxo‐3,6‐diphenylpyrrolo[3,4‐c]pyrrole, also known as DPP, as a core were studied. DPP itself has a high quantum yield of fluorescence, as well as a high molar decadic absorption coefficient, __Ξ΅__ (__Ξ΅__ = 33 000 L · mol