3 article(s) from Uchiyama, Masanobu
- Letter
- Published 05 Mar 2021
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Figure 1: Benzonaphthophosphindoles.
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Scheme 1: Synthesis of benzo[f]naphtho[2,3-b]phosphoindoles.
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Figure 2: Crystal structure of 2: different views.
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Figure 3: a) Absorption spectra and b) normalized fluorescence spectra for selected compounds in CHCl3.
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Figure 4: The spatial plots of the HOMO−3 to LUMO of compounds 3 and 4. The calculations were performed at th...
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- Letter
- Published 07 Aug 2019
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Scheme 1: The regio- and stereoselectivity in quiannulatene and sesterfisherol biosynthesis are determined by...
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Scheme 2: Reaction mechanism of quiannulatene biosynthesis. GFPP: geranylfarnesyl diphosphate, IM: intermedia...
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Scheme 3: Reaction mechanisms of sesterfisherol biosynthesis. Sesterfisherol is formed by the hydration of IM...
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Figure 1: Energy diagram and heat map analysis of 5/12/5 tricycle formation (A) IM1–IM4 in quiannulatene bios...
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Figure 2: Energy diagram and heat map analysis of conformational change and hydrogen shift (A) IM4–IM6e in qu...
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Figure 3: Energy diagram and heat map analysis of ring rearrangement (A) IM6e–IM11 in quiannulatene biosynthe...
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- Letter
- Published 30 Oct 2017
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Figure 1: Phosphole-based tetracyclic heteroacenes.
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Scheme 1: Synthesis of benzophospholo[3,2-b]indole 3.
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Scheme 2: Chemical modifications of the phosphorus atom of 3.
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Figure 2: ORTEP drawing of compound 3 (left) and 4 (right) with 50% probability. All hydrogen atoms are omitt...
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Figure 3: UV–vis absorption (left) and normalized fluorescence emission (right, excitation at 335 nm) spectra...
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Figure 4: The spatial plots of the HOMO and LUMO of compounds 3, 4, 7 and 9. The calculations were performed ...
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Figure 5: The spatial plots of the selected molecular orbitals of compounds 5 and 6. The calculations were pe...
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