Browsing by Subject "Conformations"
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A common conformation of stabilized triphenyl phosphonium ylidic diesters with bulky alkoxy groups (2009)The phosphonium ylidic diesters, methyl and ethyl isopropyl and, methyl and ethyl t-butyl triphenylphosphoranylidene malonates, 1a,b and 2a,b, respectively, have the syn-anti conformation in solution, as in the crystal, ...
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(TAYLOR & FRANCIS LTD, 2007-01)The diacyl ylid, 3-triphenylphosphoranylidene-2,4-pentanedione 2 can adopt conformations with one oxygen syn- and the other anti- to phosphorus 2a as in the crystal, or with both oxygens syn- to phosphorus 2b. In solution, ...