Recommanded Product: Benzoic anhydride. Recently I am researching about PALLADIUM-CATALYZED DIFUNCTIONALIZATION; MEDIATED ALKYNE AMIDATION; BETA-IODOVINYL SULFONES; TERMINAL ALKYNES; GOLD-CATALYSIS; REGIOSELECTIVE HYDRATION; INTERMOLECULAR OXIDATION; EFFICIENT SYNTHESIS; ALKENES; CHEMISTRY, Saw an article supported by the Council of Scientific and Industrial Research (CSIR), New Delhi, IndiaCouncil of Scientific & Industrial Research (CSIR) – India [CSC-0108]; CSIR, New Delhi, IndiaCouncil of Scientific & Industrial Research (CSIR) – India. Published in WILEY-V C H VERLAG GMBH in WEINHEIM ,Authors: Pradhan, TR; Mohapatra, DK. The CAS is 93-97-0. Through research, I have a further understanding and discovery of Benzoic anhydride
A metal-free oxyacetoxylation method of primary, secondary and tertiary propargylic carboxylates with retention of chirality was presented. The reaction proceeds through the intramolecular nucleophilic attack of the neighboring carbonyl group on an alkynyliodonium intermediate. The process is general with broad substrate scope and is amenable for application to a variety of propargyl carboxylates including those obtained from natural products. Insight into the mechanistic pathway by isotopic labelling (using H2O18 and D2O) and controlled experiments confirmed.
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Reference:
Isothiazole – Wikipedia,
,Isothiazole – ScienceDirect.com