MCPBA-Mediated Intramolecular Oxidative Annulation of ortho-Crotyl or Cinnamyl Arylaldehydes: Synthesis of Benzofused Five-, Six-, and Seven-Membered Oxacycles
mCPBA-mediated intramolecular oxidative annulation of ortho-crotyl or cinnamyl arylaldehydes provides chroman, coumaran, isochroman, and tetrahydrobenzo[c]oxepine under different reaction conditions. This research investigates the reaction conditions for facile and efficient transformation.
Synthesis of substituted indenes from isovanillin via claisen rearrangement and ring-closing metathesis
A new synthesis of substituted indenes was studied. Based on Claisen rearrangement,Wittig reaction and ring-closing metathesis (RCM), a series of substituted indenes was synthesized from isovanillin in good yields.
Huang, Keng-Shiang,Wang, Eng-Chi
p. 383 - 391
(2015/02/05)
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