Insecticidal compounds of the formula: ##STR1## in which A is chloro and B is hydrogen or A and B are both fluoro, X is oxygen or sulfur and one of R.sup.1 and R.sup.2 is or includes an optionally substituted 5-membered heteroaryl ring, their method for preparation and formulation, insecticidal compositions thereof, and their use to control insects, are disclosed and exemplified.
Synthesis of two distinct pyrrole moiety-containing arenes from nitroanilines using Paal–Knorr followed by an indium-mediated reaction
作者:Byeong Hyo Kim、Seolhee Bae、Ahra Go、Hyunseung Lee、Cheoloh Gong、Byung Min Lee
DOI:10.1039/c5ob02101d
日期:——
Synthesis of arenes substituted with two different substituted-pyrrole moieties was investigated.
芳烃合成中探讨了含有两种不同取代吡咯基团的芳烃。
A convenient one-pot synthesis of polysubstituted pyrroles from N-protected succinimides
作者:Marwan Kobeissi、Ogaritte Yazbeck、Yamama Chreim
DOI:10.1016/j.tetlet.2014.03.021
日期:2014.4
The dienamine products formed by the reaction between polysubstituted succinimides and the Petasis reagent were subjected to isomerization under mild acidic conditions to give polysubstitutedpyrroles in excellent yields (85–95%). The scope and limitations of this methodology are explored.