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Synthesis 1988; 1988(6): 486-488
DOI: 10.1055/s-1988-27619
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Synthesis of Six-Membered Heterocycles via the Ring Cleavage of α-Bromo-γ-butyrolactone Promoted by Organotin Alkoxide

Ikuya Shibata* , Mitsuki Toyota, Akio Baba, Haruo Matsuda
  • *Department of Applied Chemistry, Faculty of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565, Japan
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Publication Date:
20 August 2002 (online)

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Novel six-membered heterocyclic compounds, such as tetrahydro-1,3-oxazin-2-ones 10a-e, 2-imino-1,3-oxathiane (11), and tetrahydro-2-imino-1,3-oxazine (12) are prepared by the ring cleavage of α-bromo-γ-butyrolactone, promoted by organotin alkoxide.

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