Decarboxylative Borylation of mCPBA-Activated Aliphatic Acids
A decarboxylative borylation of aliphatic acids for the synthesis of a variety of alkylboronates has been developed by mixing m-chloroperoxybenzoic acid (mCPBA)-activated fatty acids with bis(catecholato)diboron in N,N-dimethylformamide (DMF) at room temperature. A radical chain process is involved in the reaction which initiates from the B-B bond homolysis followed by the radical transfer from the boron atom to the carbon atom with subsequent decarboxylation and borylation.
Wei, Dian,Liu, Tu-Ming,Zhou, Bo,Han, Bing
supporting information
p. 234 - 238
(2020/01/02)
Mass Spectral Fragmentations and Gas Phase Reactions of t-Butyl Peresters
The mass spectral behaviour of a few aliphatic and aromatic peresters has been studied under electron impact (EI) and chemical ionization (CI) conditions.Under EI, fragmentation of the molecules occurs mainly by C-C cleavage at either side of the carbonyl group.The C4H9O+ ion generated by the attack of the CI reagent on the sample molecule adds on to the molecule leading to (M + 73)+ ion in the CI (i-C4H10) spectra while with the more basic reagent, NH3, clustering of the molecule around NH4+ ion is the predominant pathway for ion formation.
Madhusudanan, K. P.,Misra, Dharmendra,Singh, Chandan
p. 398 - 401
(2007/10/02)
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