The selective hydrodefluorination of hexafluoropropene to HFO-1234ze and HFO-1234yf {can be|may be|could be|might be|is often|is usually} {achieved|accomplished} by reaction with {simple|easy|straightforward|basic|uncomplicated|very simple} group 13 hydrides {of the|from the|in the|on the|with the|of your} {form|type|kind} EH3L (E = B, Al; L = SMe2, NMe3). The chemoselectivity varies {depending on|based on|according to} the nature {of the|from the|in the|on the|with the|of your} group 13 element. A {combination|mixture} of experiments and DFT calculations show that competitive nucleophilic vinylic substitution and addition-elimination mechanisms involving hydroborated intermediates {lead to|result in|bring about|cause} complementary selectivities. 1427158-38-0 site 2,2-Dimethylbut-3-ynoic acid uses PMID:24513027
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