Synthesis of 1-(Iodoethynyl)-4-Methylbenzene (Compound 2)
3:16
Synthesis of (E)-1-(1,2-Diiodovinyl)-4-Methylbenzene (Compound 3)
4:44
Synthesis of 1-Methyl-4-(1,2,2-Triiodovinyl)benzene (Compound 4)
6:58
Determination of Selectivity for Mono-, Di-, or Tri-Iodination of Terminal Alkynes by HPLC
7:53
Results: Chemoselective Synthesis of 1-Iodoalkynes, 1,2-Diiodoalkenes, and 1,1,2-Triiodoalkenes
9:37
Conclusion
Transcript
This method can help answer key questions in organic synthesis about chemoselective iodination of terminal alkynes for the synthesis of one-iodoalkynes, one, two-diiodoalkenes, and one, one, two-triiodoalkenes. This technique is green, practical,
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Herein, detailed protocols for the oxidative iodination of terminal alkynes using hypervalent-iodine reagents are presented, which chemoselectively afford 1-iodoalkynes, 1,2-diiodoalkenes, and 1,1,2-triiodoalkenes.