<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Kumar, Mukesh</style></author><author><style face="normal" font="default" size="100%">Ahmed, Riyaz</style></author><author><style face="normal" font="default" size="100%">Singh, Maninder</style></author><author><style face="normal" font="default" size="100%">Sharma, Shweta</style></author><author><style face="normal" font="default" size="100%">Thatikonda, Thanusha</style></author><author><style face="normal" font="default" size="100%">Singh, Parvinder Pal</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Functionalization of alkynes and alkenes using a cascade reaction approach: synthesis of beta-keto sulfones under metal-free conditions</style></title><secondary-title><style face="normal" font="default" size="100%">Journal of Organic Chemistry</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2020</style></year><pub-dates><date><style  face="normal" font="default" size="100%">JAN</style></date></pub-dates></dates><volume><style face="normal" font="default" size="100%">85</style></volume><pages><style face="normal" font="default" size="100%">716-725</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">&lt;p&gt;Here, we are reporting a multicomponent cascade reaction approach for the synthesis of beta-keto sulfones by exploiting differential reactivity pattern of substrates under open-atmosphere and metal-free conditions. The coupling partners are aryldiazonium salts, unsaturated compounds, and DABSO. The optimized conditions worked well with both alkenes and alkynes. Moreover, the reaction also works with metabisulfite for the source of sulfone. The controlled liquid chromatography-mass spectrometry and O-18-labelled experiments suggested that air is a source of the incoming oxygen atom of the keto group of beta-keto sulfones.&lt;/p&gt;
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</style></custom3><custom4><style face="normal" font="default" size="100%">&lt;p&gt;4.335&lt;/p&gt;
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