Synthesis of 2‑Azaspiro[4.6]undec-7-enes from N‑Tosyl‑N‑(3-arylpropargyl)-Tethered 3‑Methylcyclohex-2-en-1-ols
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https://figshare.com/articles/dataset/Synthesis_of_2_Azaspiro_4_6_undec_7_enes_from_i_N_i_Tosyl_i_N_i_3_arylpropargyl_Tethered_3_Methylcyclohex_2_en_1_ols/2473114
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The FeCl3-promoted synthesis of 2-azaspiro[4.6]undec-7-ene rings proceeds via ring expansion/cyclization/chlorination of N-tosyl-N-(3-arylpropargyl)-tethered 6-methylbicyclo[4.1.0]heptan-2-ols. This azaspirocyclic ring skeleton can also be obtained in one pot from the tert-butyldimethylsilyl-protected N-tosyl-N-(3-arylpropargyl)-tethered 3-methylcyclohex-2-en-1-ols and diethylzinc/diiodomethane.
创建时间：
2016-02-20
