Facile syntheses, structural characterizations, and isomerization of disiloxane-1,3-diols

Hyeon Mo Cho, Sea Ho Jeon, Han Kuk Lee, Jung Hoon Kim, Sangwoo Park, Moon Gun Choi, Myong Euy Lee

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)

Abstract

In the hydrolysis reaction of dichlorosilanes having an intramolecular coordinating atom, dcisiloxane-1,3-diols, [(OH){o-(CH3) 2NCH2-C6H4}RSi]2 O(R=CH2=CH (1), C6H5 (2), o-(CH3)2NCH2C6H4 (3), Me (4)), were obtained in high yields. The results of the crystal structure analyses of meso-2, rac-2a, rac-2b and 3 are reported. They showed strong intramolecular hydrogen bondings between the hydroxy group and the nitrogen atom. We have also found that the diastereomeric isomerization of meso-2 to rac-2 in CDCl3 solvent containing moisture occurred to result in the 55:45 equilibrium mixtures of the isomers and vice versa.

Original languageEnglish
Pages (from-to)471-477
Number of pages7
JournalJournal of Organometallic Chemistry
Volume689
Issue number2
DOIs
Publication statusPublished - 2004 Jan 15

Bibliographical note

Funding Information:
This work was supported by Korea Research Foundation (KRF-2000-BSRI DP0228), a postdoctoral grant (2002) to Hyeon Mo Cho from Natural Science Research Institute, Yonsei University. We are also grateful to Professor Uk Lee (Pukyong National University) for crystallographic analyses.

All Science Journal Classification (ASJC) codes

  • Biochemistry
  • Physical and Theoretical Chemistry
  • Organic Chemistry
  • Inorganic Chemistry
  • Materials Chemistry

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