Results 41 to 50 of about 1,019,081 (92)
, 2011 Regioselective Synthesis of Multisubstituted Pyrazoles via Cyclocondensation of β-Thioalkyl-α,β-Unsaturated Ketones with ...
于海丰, 金伟伟, 余正坤
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EFSA Journal, Volume 23, Issue 7, July 2025.Abstract Following a request from the European Commission, EFSA was asked to deliver a scientific opinion on the safety and efficacy of a tincture from the leaves of Ocimum basilicum L. (basil tincture) when used as a sensory additive in feed and in water for drinking for all animal species. The product is a ■■■■■ solution, with a dry matter content of
EFSA Panel on Additives and Products or Substances used in Animal Feed (FEEDAP) +23 more
wiley +1 more source
EFSA Journal, Volume 23, Issue 7, July 2025.Abstract Following a request from the European Commission, EFSA was asked to deliver a scientific opinion on the safety and efficacy of a tincture from the leaves or aerial parts of Mentha × piperita L. (peppermint tincture) when used as a sensory additive in feed and in water for drinking for all animal species. The product is a ■■■■■ solution, with a
EFSA Panel on Additives and Products or Substances used in Animal Feed (FEEDAP) +23 more
wiley +1 more source
Iron-Catalyzed Chemoselective Reduction of α,β-Unsaturated Ketones
, 2018 International audienceAn iron‐catalyzed chemo‐ and diastereoselective reduction of α,β‐unsaturated ketones into the corresponding saturated ketones in mild reaction conditions is reported herein.
Lator, Alexis +7 more
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EFSA Journal, Volume 23, Issue 7, July 2025.Abstract Following a request from the European Commission, EFSA was asked to deliver a scientific opinion on the safety and efficacy of a tincture from the leaves of Salvia officinalis L. (sage tincture) when used as a sensory additive in feed and in water for drinking for all animal species.
EFSA Panel on Additives and Products or Substances used in Animal Feed (FEEDAP) +23 more
wiley +1 more source
, 2009 A reaction mixture of β,γ-unsaturated ketone and BF3·OEt2 in CH3OH was stirred at room temperature and β-methoxy ketone was produced in high yield. The β-amino ketone was obtained as the major product from a reaction mixture of β,γ-unsaturated ketone ...
Lee, Adam Shih-yuan; Wang, Shu-huei; Chang, Yu-ting; Chu, Shu-fang
core
DABCO catalyzed dimerization of α,β -unsaturated ketones and nitriles
, 1987 α ,β -Unsaturated ketones dimerize in the presence of catalytic amount of 1,4-diazabicyclo[2.2.2]octane(DABCO) to produce the corresponding 2-methylene-1,5-diketones in good yields.
Basavaiah, D. +5 more
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1,4-Conjugate addition of allyltrimethylsilane to α,β-unsaturated ketones
, 2002 α,β-Unsaturated ketones smoothly undergo conjugate addition with allyltrimethylsilane in the presence of a catalytic amount of elemental iodine under very mild and convenient conditions to afford the corresponding Michael adducts in high yields with high
Reddy, B. V. S. +3 more
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Highly Enantioselective Transfer Hydrogenation of α,β-Unsaturated Ketones
, 2006 We describe an efficient and highly enantioselective conjugate transfer hydrogenation of α,β-unsaturated ketones that is catalyzed by a salt made from tert-butyl valinate and a recently introduced powerful chiral phosphoric acid catalyst (TRIP)
Martin, N., List, B.
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Modular Approach to Saturated and α,β-Unsaturated Ketones
, 2016 2-Fluoro-6-pyridinyloxy derivatives of 2-ethoxyvinyl carbinols react with radicals derived from xanthates by an addition–fragmentation pathway to give highly functionalized ketones after acid hydrolysis.
Béatrice Quiclet-Sire (1672969) +2 more
core +1 more source