Eburnane‐14‐spiro heterocycles. Synthesis and stereostructure determination by NMR spectroscopy | Zendy

Nemes András | Zendy; Sohár Pál | Zendy; Kövesdi István | Zendy; Czibula László | Zendy; Csehi Attila | Zendy; Kreidl János | Zendy

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Eburnane‐14‐spiro heterocycles. Synthesis and stereostructure determination by NMR spectroscopy

Author(s) -

Nemes András,

Sohár Pál,

Kövesdi István,

Czibula László,

Csehi Attila,

Kreidl János

Publication year - 1993

Publication title -

magnetic resonance in chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.483

H-Index - 72

eISSN - 1097-458X

pISSN - 0749-1581

DOI - 10.1002/mrc.1260310420

Subject(s) - chemistry , dept , nuclear magnetic resonance spectroscopy , alkyl , stereochemistry , spectroscopy , two dimensional nuclear magnetic resonance spectroscopy , organic chemistry , physics , quantum mechanics

New spiroheterocyclic systems, eburnane‐14‐spiro‐5′‐oxazolidinedione, eburnane‐14‐spiro‐4′‐imidazolidinedione and related compounds were prepared by reacting vincamine stereoisomers or 14‐desoxy‐14‐aminovincamines with alkyl isocyanates. Stereostructures of the new compounds were proved by 1 H and 13 C NMR spectroscopy, including DR, DNOE, DEPT and 2D HSC measurements.

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