Heterocyclic compound studies. II. Synthesis of 1,4‐benzodioxin, 1,4‐benzoxathiin, 1,4‐benzoxazine and 1,4‐benzothiazine derivatives | Zendy

Cabiddu Salvatore | Zendy; Floris Costantino | Zendy; Melis Stefana | Zendy; Sotgiu Francesca | Zendy; Cerioni Giovanni | Zendy

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Heterocyclic compound studies. II. Synthesis of 1,4‐benzodioxin, 1,4‐benzoxathiin, 1,4‐benzoxazine and 1,4‐benzothiazine derivatives

Author(s) -

Cabiddu Salvatore,

Floris Costantino,

Melis Stefana,

Sotgiu Francesca,

Cerioni Giovanni

Publication year - 1986

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.5570230642

Subject(s) - chemistry , benzothiazine , heteroatom , yield (engineering) , benzene , nuclear magnetic resonance spectroscopy , organic chemistry , heterocyclic compound , medicinal chemistry , stereochemistry , ring (chemistry) , materials science , metallurgy

Benzocondensed six‐membered heterocyclic rings containing two heteroatoms have been synthesized by a generally applicable method starting from disubstituted benzene compounds and methyl 4‐chlorobutynoate ( 1 ) or methyl 4‐bromobutenoate ( 2 ). The reactions with 1 yield a mixture of endo and exo ( E or Z) isomers. The 13 C nmr spectroscopy was used to assign the structure of the synthesized compounds.

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