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Ceccherelli et al., 1989 - Google Patents

Biogenetic-type transformation of 3-keto-4, 5-epoxy-eudesmanes: synthesis of cyperanes, eremophilanes and spirovetivanes

Ceccherelli et al., 1989

Document ID
10603216764813613053
Author
Ceccherelli P
Curini M
Marcotullio M
Rosati O
Publication year
Publication venue
Tetrahedron

External Links

Snippet

Cyperanes, eremophilanes and spirovetivanes have been prepared by acid catalyzed rearrangement of 3-keto-4, 5-epoxy-eudesmanes. These transformations are of biogenetic significance and reinforce thehypothesis that the oxigenate eudesmanes are precursors of …
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    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D307/93—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems condensed with a ring other than six-membered
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    • C07D493/00—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
    • C07D493/02—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system in which the condensed system contains two hetero rings
    • C07D493/04—Ortho-condensed systems
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    • C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D307/87—Benzo [c] furans; Hydrogenated benzo [c] furans
    • C07D307/88—Benzo [c] furans; Hydrogenated benzo [c] furans with one oxygen atom directly attached in position 1 or 3
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    • C07C2103/04—Ortho- or ortho- and peri-condensed systems containing three rings
    • C07C2103/06—Ortho- or ortho- and peri-condensed systems containing three rings containing at least one ring with less than six ring members
    • C07C2103/10—Ortho- or ortho- and peri-condensed systems containing three rings containing at least one ring with less than six ring members containing five-membered rings
    • C07C2103/12—Ortho- or ortho- and peri-condensed systems containing three rings containing at least one ring with less than six ring members containing five-membered rings only one five-membered ring
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