(dpm)3, PhSiH3 in isopro-panol under oxygen atmosphere to afford several novel analogues, including 3,4-dihydro-3-hydroxy-avermectin B1 8 with high level of regio- and stereoselectivity, 2-hydroxy-3,4-dihydro-avermectin B1 7, the first example of a 2-substituted avermectin and the novel ...
phenylsilaneTreatment of a variety of α,β-unsaturated ketones with Mn(dpm)3 (3 mol%)/PhSiH3 (1.3 equiv.)/isopropyl alcohol with the exclusion of air resulted in the formation of the saturated ketone.Philip Magnus and Michael J Waring and David A Scott...
Versatile alkene (incl tetrasub) hydrohydrazination (w diazodicarboxylate DTBDID PhSiH3or PMHS Mn(dpm)3 dipivaloylmethanato cat hydrazine hydrazide N-alkylation)Carreira, E M
(dpm)3, PhSiH3 in isopro-panol under oxygen atmosphere to afford several novel analogues, including 3,4-dihydro-3-hydroxy-avermectin B1 8 with high level of regio- and stereoselectivity, 2-hydroxy-3,4-dihydro-avermectin B1 7, the first example of a 2-substituted avermectin and the novel ...
Treatment of a variety of α,β-unsaturated ketones with Mn(dpm)3 (3 mol%)/PhSiH3 (1.3 equiv.)/isopropyl alcohol/O2, followed by reductive work-up with P(OEt)3 resulted in the formation of α-hydroxyketones.Philip Magnus and Andrew H Payne and Michael J Waring and David A Scott and...
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