An easy and efficient synthesis of 3-nitrochromans |
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| Authors: | Ching-Fa Yao Yeong-Jiunn JangMing-Chung Yan |
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| Institution: | Department of Chemistry, National Taiwan Normal University, 88, Sec. 4, Tingchow Road, Taipei, Taiwan 116 ROC |
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| Abstract: | The reaction of nitro olefins reacted with (E)-(2-hydroxyphenyl)-1-nitroethylene in the presence of DABCO generates 3-nitrochroman with a high stereoselectivity. A possible reaction mechanism for the reaction and the transition states involved in producing the final product are proposed. The treatment of 3-nitrochromans with t-BuOK give alkenes. |
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