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<p>Silanes and silatranes containing an 1-aza dienyne moiety, Ph—C≡C—CH=C(SR) C(H)=N—, were synthesized by the reaction of (3-aminopropyl)triethoxysilane and 1-(3-aminopropyl)silatrane with 2-en-4-ynals. Upon storage for 2–4 days at 25 °C in CHCl<sub>3</sub>, these compounds cyclize to CCl<sub>3</sub>-containing pyrroles. The structure and stereoisomeric composition of the products were confirmed by elemental analysis, IR and NMR spectroscopy, and mass spectrometry.</p>

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New aza enyne derivatives based on (3-aminopropyl)triethoxysilane and 1-(3-aminopropyl)silatrane

  • 期刊论文

  • 发表日期：

    2025年10月1日

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  • S. N. Adamovich,
  • I. A. Ushakov,
  • N. V. Vchislo,
  • E. N. Oborina,
  • V. G. Fedoseeva,
  • E. A. Verochkina

摘要

Silanes and silatranes containing an 1-aza dienyne moiety, Ph—C≡C—CH=C(SR) C(H)=N—, were synthesized by the reaction of (3-aminopropyl)triethoxysilane and 1-(3-aminopropyl)silatrane with 2-en-4-ynals. Upon storage for 2–4 days at 25 °C in CHCl3, these compounds cyclize to CCl3-containing pyrroles. The structure and stereoisomeric composition of the products were confirmed by elemental analysis, IR and NMR spectroscopy, and mass spectrometry.