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Spirane—II: Spiro[dibenzo[f.h]-[1.5]-dioxacyclononan-3,1′-cyclopropan]

✍ Scribed by S. Smoliński; M. Jaworski

Book ID: 108374499
Publisher: Elsevier Science
Year: 1968
Tongue: French
Weight: 243 KB
Volume: 24
Category: Article
ISSN: 0040-4020
DOI: 10.1016/s0040-4020(01)96812-7

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A new synthetic pathway to the final compound 1-[(1S)-5 ',11'-dihydrospiro[cyclopentane-1,10'dibenzo[a,d]cyclohepten]-3-yl]-3-azetidinecarboxylic acid (1) was set up. The two preparative chiral HPLC separations needed in the first route were successfully avoided and replaced by two diastereomeric cr