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Synthesis of derivatives of [1,3,4]thiadiazolo[3,2-C]-1,2,3-trihydro-[1,3,5,2]thiadiazaphosphorins

  • Tian Bao Huang*
  • , Ling Fei Liu
  • , Wen Qian Yang
  • , Xiao Ming Yu
  • , Xu Hong Qian
  • , Jing Ling Zhang
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

The first dicyclic fused thiadiazaphosphorin derivatives, namely, [1,3,4]thiadiazolo[3,2-c]-1,2,3-trihydro-[1,3,5,2]thiadiazaphosphorins (3 and 4), were synthesized by intermolecular cyclocondensation of [1,3,4]thiadiazole-2-yl-dithiocarbamic acid (1) or -dithioperoxycarbamic acid (2) with tri(dialkylamino)phosphine. 5-methyl[1,3,4]thiadiazolo[3,2-c]-2-dialkylamino-6-thiono-1,2,3-trihydro-[1,3,5, 2]thiadiazaphosphorin (3) was easily oxided into the 5-methyl [1,3,4]thiadiazolo[3,2-c]-2-dialkylamino-6-thiono-2-oxo-1,2,3-trihydro-[1,3,5,2] thiadiazaphosphorin (4) and 5-methyl-[1,3,4]thiadiazolo[3,2-c]-2-dialkylamino-6-thiono-1,2-dioxo-1,2,3- trihydro-[1,3,5,2]thiadiazaphosphorin (5).

Original languageEnglish
Pages (from-to)299-305
Number of pages7
JournalPhosphorus, Sulfur and Silicon and the Related Elements
Volume122
DOIs
StatePublished - 1997
Externally publishedYes

Keywords

  • Cyclocondensation
  • Tris(dialkylamino)phosphine
  • [1;3;4]Thiadiazolo[3;2-c][1;3;5;2]thiadiazaphosphorin

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