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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 23, 1993 - Issue 9
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Original Articles

Preparation of Dichloroacetaldehyde Cyclic Trimer and Its Depolymerization

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Pages 1289-1294 | Received 04 Aug 1992, Published online: 24 Sep 2006

References

  • Wakasugi , T. , Tonouchi , N. , Miyakawa , T. , Ishizuka , M. , Yamauchi , T. , Itsuno , S. and Ito , K. 1992 . Chem. Lett. , : 171
  • Jira , R. , Kopp , E. and Moellering , W. 1975 . “Ullmanns Encyklopädie de Technischen Chemie” Vol. 9 , 377
  • Japan : Tokyo Kasei Kogyo Co., Ltd. . DCA diethylacetal and DCA dimethylacetal are commercially available from
  • At low temperature (below 10 °C) DCA content was less than 10wt%
  • House , H. O. 1972 . “Modern Synthetic Reactions” , Benjamin, W. A. Inc. . Chapt. 8.
  • 1973 . Consortium, DE-OS 2306335
  • The most important current use is in the synthesis of trichlormethiazid
  • The purity was assumed as > 99.2% by GC analysis. Mp 56 °C.
  • The purity was assumed as > 99.5% by GC analysis. Mp 125 °C; Molecular weight 335 (GC-MS, [M-1]+); IR 1000, 1070, 1140cm−1; Analysis Found: C, 21.30; H, 1.70; Cl, 62.40%, Calcd for C6H6O3Cl6: C, 20.90; H, 1.75; Cl, 63.43%; 1H-NMR (CDCl3) δ 6.5 (3H, d, CHO); 7.3 (3H, d, CHCl2)
  • The purity was assumed as > 99.5% by GC analysis. Mp 88–90 °C.

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