380. Yamaguchi T, Ogawa M (2018) Hydrophilic internal pore and hydrophobic particle surface of
organically modified mesoporous silica particle to host photochromic molecules. Chem Lett
48:170–172
381. Yamaguchi T, Maity A, Polshettiwar V, Ogawa M (2018) Negative photochromism based on
molecular diffusion between hydrophilic and hydrophobic particles in the solid-state. Inorg
Chem 57:3671–3674
382. Yamaguchi T, Leelaphattharaphan NN, Shin H, Ogawa M (2019) Acceleration of photochromism and negative photochromism by the interactions with mesoporous silicas. Photochem
Photobiol Sci 18:1742–1749. https://doi.org/10.1039/C9PP00081J
383. Schomburg C, Wark M, Rohlfing Y, Schulz-Ekloff G, Wöhrle D (2001) Photochromism of
spiropyran in molecular sieve voids: effects of host–guest interaction on isomer status,
switching stability and reversibility. J Mater Chem 11:2014–2021. https://doi.org/10.1039/
b101516h
384. Casades I, Constantine S, Cardin D, García H, Gilbert A, Márquez F (2000) Ship-in-a-bottle
synthesis and photochromism of spiropyrans encapsulated within zeolite Y supercages.
Tetrahedron 56:6951–6956. https://doi.org/10.1016/S0040-4020(00)00515-9
385. Kahle I, Spange S (2010) Internal and external acidity of faujasites as measured by a
solvatochromic spiropyran. J Phys Chem C 114:15448–15453. https://doi.org/10.1021/
jp1048106
386. Tagaya H, Kuwahara T, Sato S, Kadokawa J, Karasu M, Chiba K (1993) Photoisomerization
of indolinespirobenzopyran in layered double hydroxides. J Mater Chem 3:317. https://doi.
org/10.1039/jm9930300317
387. Tagaya H, Sato S, Kuwahara T, Kadokawa J, Masa K, Chibaa K (1994) Photoisomerization of
Indolinespirobenzopyran in anionic clay matrices of layered double hydroxides. J Mater Chem
4:1907. https://doi.org/10.1039/jm9940401907
388. Aiken S, Edgar RJL, Gabbutt CD, Heron BM, Hobson PA (2018) Negatively photochromic
organic compounds: exploring the dark side. Dyes Pigments 149:92–121. https://doi.org/10.
1016/j.dyepig.2017.09.057
389. Kinashi K, Kita H, Misaki M, Koshiba Y, Ishida K, Ueda Y, Ishihara M (2009) Fabrication
and optical properties of photochromic compound/clay hybrid films. Thin Solid Films
518:651–655. https://doi.org/10.1016/j.tsf.2009.07.042
390. Saso N, Yamamoto T, Umemura Y, Einaga Y (2008) Normal photochromism of spiropyran in
montmorillonite interlayer. Colloids Surf A Physicochem Eng Asp 317:309–315. https://doi.
org/10.1016/j.colsurfa.2007.10.036
391. Seki T, Ichimura K (1990) Thermal isomerization behaviors of a spiropyran in bilayers
immobilized with a linear polymer and a smectitic clay. Macromolecules:31–35
392. Takagi K, Kurematsu T, Sawaki Y (1995) Photochromic behaviour of surfactant spiro[2H-1benzopyran-2,2
0 -[2,3]-dihydroindole]s (spiropyrans) adsorbed into clay interlayers. J Chem
Soc Perkin Trans 2:1667–1671. https://doi.org/10.1039/P29950001667
393. Mal NK, Fujiwara M, Tanaka Y (2003) Photocontrolled reversible release of guest molecules
from coumarin-modified mesoporous silica. Nature 421:350–353. https://doi.org/10.1038/
nature01337.1
394. Bach T (1998) Stereoselective intermolecular [2+2]-photocycloaddition reactions and their
application in synthesis. Synthesis:683–703
395. González-López M, Shaw JT (2009) Cyclic anhydrides in formal cycloadditions and
multicomponent reactions. Chem Rev 109:164–189. https://doi.org/10.1021/cr8002714
396. Laszlo P, Lucchetti J (1984) Catalysis of the diels-alder reaction in the presence of clays.
Tetrahedron Lett 25:1567–1570. https://doi.org/10.1016/S0040-4039(01)90012-7
397. Laszlo P, Lucchetti J (1984) Acceleration of the diels-alder reaction by clays suspended in
organic solvents. Tetrahedron Lett 25:2147–2150. https://doi.org/10.1016/S0040-4039(01)
81184-9
398. Valentine D, Turro NJ, Hammond GS (1964) Thermal and photosensitized dimerizations of
cyclohexadiene. J Am Chem Soc 86:5202–5208. https://doi.org/10.1021/ja01077a033
316
T. Yamaguchi et al.
organically modified mesoporous silica particle to host photochromic molecules. Chem Lett
48:170–172
381. Yamaguchi T, Maity A, Polshettiwar V, Ogawa M (2018) Negative photochromism based on
molecular diffusion between hydrophilic and hydrophobic particles in the solid-state. Inorg
Chem 57:3671–3674
382. Yamaguchi T, Leelaphattharaphan NN, Shin H, Ogawa M (2019) Acceleration of photochromism and negative photochromism by the interactions with mesoporous silicas. Photochem
Photobiol Sci 18:1742–1749. https://doi.org/10.1039/C9PP00081J
383. Schomburg C, Wark M, Rohlfing Y, Schulz-Ekloff G, Wöhrle D (2001) Photochromism of
spiropyran in molecular sieve voids: effects of host–guest interaction on isomer status,
switching stability and reversibility. J Mater Chem 11:2014–2021. https://doi.org/10.1039/
b101516h
384. Casades I, Constantine S, Cardin D, García H, Gilbert A, Márquez F (2000) Ship-in-a-bottle
synthesis and photochromism of spiropyrans encapsulated within zeolite Y supercages.
Tetrahedron 56:6951–6956. https://doi.org/10.1016/S0040-4020(00)00515-9
385. Kahle I, Spange S (2010) Internal and external acidity of faujasites as measured by a
solvatochromic spiropyran. J Phys Chem C 114:15448–15453. https://doi.org/10.1021/
jp1048106
386. Tagaya H, Kuwahara T, Sato S, Kadokawa J, Karasu M, Chiba K (1993) Photoisomerization
of indolinespirobenzopyran in layered double hydroxides. J Mater Chem 3:317. https://doi.
org/10.1039/jm9930300317
387. Tagaya H, Sato S, Kuwahara T, Kadokawa J, Masa K, Chibaa K (1994) Photoisomerization of
Indolinespirobenzopyran in anionic clay matrices of layered double hydroxides. J Mater Chem
4:1907. https://doi.org/10.1039/jm9940401907
388. Aiken S, Edgar RJL, Gabbutt CD, Heron BM, Hobson PA (2018) Negatively photochromic
organic compounds: exploring the dark side. Dyes Pigments 149:92–121. https://doi.org/10.
1016/j.dyepig.2017.09.057
389. Kinashi K, Kita H, Misaki M, Koshiba Y, Ishida K, Ueda Y, Ishihara M (2009) Fabrication
and optical properties of photochromic compound/clay hybrid films. Thin Solid Films
518:651–655. https://doi.org/10.1016/j.tsf.2009.07.042
390. Saso N, Yamamoto T, Umemura Y, Einaga Y (2008) Normal photochromism of spiropyran in
montmorillonite interlayer. Colloids Surf A Physicochem Eng Asp 317:309–315. https://doi.
org/10.1016/j.colsurfa.2007.10.036
391. Seki T, Ichimura K (1990) Thermal isomerization behaviors of a spiropyran in bilayers
immobilized with a linear polymer and a smectitic clay. Macromolecules:31–35
392. Takagi K, Kurematsu T, Sawaki Y (1995) Photochromic behaviour of surfactant spiro[2H-1benzopyran-2,2
0 -[2,3]-dihydroindole]s (spiropyrans) adsorbed into clay interlayers. J Chem
Soc Perkin Trans 2:1667–1671. https://doi.org/10.1039/P29950001667
393. Mal NK, Fujiwara M, Tanaka Y (2003) Photocontrolled reversible release of guest molecules
from coumarin-modified mesoporous silica. Nature 421:350–353. https://doi.org/10.1038/
nature01337.1
394. Bach T (1998) Stereoselective intermolecular [2+2]-photocycloaddition reactions and their
application in synthesis. Synthesis:683–703
395. González-López M, Shaw JT (2009) Cyclic anhydrides in formal cycloadditions and
multicomponent reactions. Chem Rev 109:164–189. https://doi.org/10.1021/cr8002714
396. Laszlo P, Lucchetti J (1984) Catalysis of the diels-alder reaction in the presence of clays.
Tetrahedron Lett 25:1567–1570. https://doi.org/10.1016/S0040-4039(01)90012-7
397. Laszlo P, Lucchetti J (1984) Acceleration of the diels-alder reaction by clays suspended in
organic solvents. Tetrahedron Lett 25:2147–2150. https://doi.org/10.1016/S0040-4039(01)
81184-9
398. Valentine D, Turro NJ, Hammond GS (1964) Thermal and photosensitized dimerizations of
cyclohexadiene. J Am Chem Soc 86:5202–5208. https://doi.org/10.1021/ja01077a033
316
T. Yamaguchi et al.