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Ruthenium-catalyzed [2 + 2] cross-addition of norbornene derivatives and dimethyl acetylenedicarboxylate

โœ Scribed by Mitsudo, Takeaki; Kokuryo, Kazuhiko; Shinsugi, Toshiyasu; Nakagawa, Yoshiteru; Watanabe, Yoshihisa; Takegami, Yoshinobu

Book ID
126176533
Publisher
American Chemical Society
Year
1979
Tongue
English
Weight
678 KB
Volume
44
Category
Article
ISSN
0022-3263

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โœ Yoshihiko Yamamoto; Asako Nagata; Kenji Itoh ๐Ÿ“‚ Article ๐Ÿ“… 1999 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 245 KB

In the presence of 2.5 mol % of Pd2(dba) 3 and 5 tool % ofPPh 3, nearly eqcimolar mnounts of dimathyl nona-2,7-diyne-1,9-dioate derivatives and dimethy! acetylenedicarboxylate (DMAD) were reacted in toluene at 110 "C to give indan, phthalin, a~d isoindoline derivatives selectively in moderate to goo