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Methyl (3a RS ,3c RS ,6c SR ,7 RS ,8 RS ,8a SR )-2,5-bis(4-chlorophenyl)-7,9-bis(1,3-diphenyl-1 H -pyrazol-4-yl)-1,3,4,6-tetraoxododecahydro-1 H -dipyrrolo[3,4- a :3′,4′- f ]pyrrolizine-3b-carboxylate dimethylformamide disolvate: a three-dimensional hydrogen-bonded framework

✍ Scribed by Quiroga, Jairo; Gálvez, Jaime; Cobo, Justo; Glidewell, Christopher

Book ID
119982287
Publisher
International Union of Crystallography
Year
2012
Tongue
English
Weight
853 KB
Volume
68
Category
Article
ISSN
0108-2701

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The transition-metal-carhonyl-induced cyclodimerization of 5,6-dimethylidene-7-oxabicyclo[2.2.l]hept-2-ene is strongly affected by substitution at C( I). While 5,6-dimethylidene-7-oxahicyclo[2.2.l]hept-2-ene-I-methanol (7) refused to undergo [4 + 21-cyclodimerization in the presence of [Fe2(C0)9] in