were synthesized using pyridinecarboxaldehyde derivatives and cyclic enones. The Baylis–Hillman reaction was examined by employing various organic tertiary bases and solvents. It was observed that DBU in MeOH as well as imidazole and N-methylimidazole in aqueous MeOH are very effective. These pyridinecarboxaldehydes were reactive and efficient towards the Baylis–Hillman reaction and the resulting adducts
Microwave-Assisted Convenient Synthesis of<i>α</i>,<i>β</i>-Unsaturated Esters and Ketones<i>via</i>Aldol-Adduct Elimination
作者:Pathi Suman、Rayala Nageswara Rao、Bhimapaka China Raju
DOI:10.1002/hlca.201200526
日期:2013.8
Various fluorinated 3‐oxo ester/1,3‐diketones were reacted with carbonyl compounds, in presence of piperidine and under microwave irradiation, to afford (E)‐α,β‐unsaturated esters and ketones in good yields. The systematic study reveals that the reaction proceeded through the formation of aldol adduct. The method provides a new and simple way for C,C bond formations.
An efficient conversion of conjugated oximes into substituted pyridines under Vilsmeier conditions
作者:Shahadat Ahmed、Romesh Chandra Boruah
DOI:10.1016/0040-4039(96)01909-0
日期:1996.11
A facile synthesis of a pyrido fused steroidal D-ring and functionalised pyridine is described.
描述了容易合成的吡啶基稠合的甾族D-环和官能化的吡啶。
Novel antimalarial baylis-hillman adducts and a process for the preparation thereof
申请人:Narender Puli
公开号:US20070117822A1
公开(公告)日:2007-05-24
The present invention is directed towards the synthesis of novel and new chloropyridine skeleton based compounds and these are Bayllis Hillman adducts having a remarkable in vitro anti-malarial activity. These compounds have been found to possess anti-malarial activity against chloroquine sensitive and chloroquine resistant
Plasmodium falciparum
. The anti-malarial compounds of the present invention inhibit the mature schizonts in vitro.
Antimalarial Baylis-Hillman adducts and a process for the preparation thereof
申请人:Council of Scientific and Industrial Research
公开号:US07666883B2
公开(公告)日:2010-02-23
The present invention is directed towards the synthesis of novel and new chloropyridine skeleton based compounds and these are Bayllis Hillman adducts having a remarkable in vitro anti-malarial activity. These compounds have been found to possess anti-malarial activity against chloroquine sensitive and chloroquine resistant Plasmodium falciparum. The anti-malarial compounds of the present invention inhibit the mature schizonts in vitro.