Synthesis and spectroscopic studies of 5‐arylidene‐3‐substituted tetramic acids as possible substrates for catalytic asymmetric hydrogenation | Zendy

Athanasellis Giorgos | Zendy; Gavrielatos Efstathios | Zendy; IgglessiMarkopoulou Olga | Zendy

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Synthesis and spectroscopic studies of 5‐arylidene‐3‐substituted tetramic acids as possible substrates for catalytic asymmetric hydrogenation

Author(s) -

Athanasellis Giorgos,

Gavrielatos Efstathios,

IgglessiMarkopoulou Olga

Publication year - 2001

Publication title -

journal of heterocyclic chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.321

H-Index - 59

eISSN - 1943-5193

pISSN - 0022-152X

DOI - 10.1002/jhet.5570380527

Subject(s) - chemistry , catalysis , nuclear magnetic resonance spectroscopy , organic chemistry , spectroscopy , catalytic hydrogenation , stereochemistry , acid catalysis , physics , quantum mechanics

A new series of 5‐arylidene‐3‐substituted tetramic acids 6–19 have been synthesized by a condensation reaction of 3‐butanoyl tetramic acid 3 , 3‐ethoxycarbonyl tetramic acid 4 and 3 ‐acetyl tetramic acid 5 with a variety of substituted benzaldehydes. The structures of the isolated compounds 6–19 have been elucidated using FT‐IR, 1 H and 13 C‐NMR spectroscopy, FAB‐MS spectroscopy as well as elemental analyses.

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