کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
5212691 | 1383128 | 2017 | 5 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Chemical braking exhibited by ethynylhelicene (M)-nonamer in solution: Competitive reaction system of self-catalysis to form double-helix and approach towards equilibrium to form random-coil
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
شیمی
شیمی آلی
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
- Ethynylhelicene (M)-nonamer in dilute solution exhibits chemical braking.
- The phenomenon is derived from the competitive reaction system.
- The chemical braking provides a novel mechanism for the negative feedback.
Chemical braking occurs in a dilute solution during a structural change of ethynylhelicene (M)-nonamer from the metastable double-helix state to the random-coil state, being at equilibrium, where the reaction is initially rapid and then substantially retard. The chemical braking is derived from the competitive chemical reaction system in dilute solution: An energetically uphill self-catalytic reaction to form double-helix and the downhill reaction to form the random-coil.
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ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Tetrahedron - Volume 73, Issue 19, 11 May 2017, Pages 2801-2805
Journal: Tetrahedron - Volume 73, Issue 19, 11 May 2017, Pages 2801-2805
نویسندگان
Tsukasa Sawato, Atsushi Yagi, Mieko Arisawa, Masahiko Yamaguchi,