1H NMR, 13C NMR, MS and GC spectras of products 3a–3g from Synthesis of cyclic ethers by cyclodehydration of 1,<i>n</i>-diols using heteropoly acids as catalysts Yufeng Sun Yatao Huang Minmin Li Jia Lu Nuo Jin Bei Fan 10.6084/m9.figshare.7067306.v1 https://rs.figshare.com/articles/journal_contribution/1H_NMR_13C_NMR_MS_and_GC_spectras_of_products_3a_3g_from_Synthesis_of_cyclic_ethers_by_cyclodehydration_of_1_i_n_i_-diols_using_heteropoly_acids_as_catalysts/7067306 Yufeng Sun_ figures_ESM provided 1H NMR, 13C NMR, MS and GC spectras of products 3a–3g. 2018-09-10 07:45:53 heteropoly acid cyclic ether cyclodehydration catalyst synthesis