. Hz, 00 (s, 12H), 1.97 (s, 12H) UV-Vis (CH2Cl2, 298 K): ? (nm) [? (M -1 .cm -1 )] 292, pp.29-418

M. M. Russew, S. Hecht, A. Materb, ). X. Zhang, L. Hou et al., The organic layer was reduced under vacuum Chromatography over silica (cyclohexane/CH2Cl2 (5/1)) afforded 1Co as a red powder (49 mg, 19 ?mol, 93%) HRMS for C132H84CoF24N4S8 + calc UV-Vis (CH2Cl2, 298 K): ?(nm) [? (M -1 .cm -1 )] 290 [5] For selected examples of photochromic modulation of fluorescence, see, The residue was dissolved in CH2Cl2 (5 mL) and washed with H2O (2 x 5 mL, pp.414-529, 1995.

W. R. Areephong, B. L. Browne, and . Feringa, Three-state photochromic switching in a silyl bridged diarylethene dimer, Organic & Biomolecular Chemistry, vol.573, issue.8, pp.1170-1174, 2007.
DOI : 10.1039/b702417g

H. Tian, B. Chen, H. Tu, and K. Müllen, Novel Bisthienylethene-Based Photochromic Tetraazaporphyrin with Photoregulating Luminescence, Advanced Materials, vol.14, issue.12, pp.918-923, 2002.
DOI : 10.1002/1521-4095(20020618)14:12<918::AID-ADMA918>3.0.CO;2-Y

T. Kaieda, S. Kobatake, H. Miyasaka, M. Murakami, N. Iwai et al., Efficient Photocyclization of Dithienylethene Dimer, Trimer, and Tetramer:?? Quantum Yield and Reaction Dynamics, Journal of the American Chemical Society, vol.124, issue.9, pp.2015-2014, 2002.
DOI : 10.1021/ja0115722

N. R. Peter and . Branda, Limited photochromism in covalently linked double 1,2-dithienylethenes, Advanced Materials for Optics and Electronics, vol.10, issue.6, pp.245-249, 2000.
DOI : 10.1002/1099-0712(200011/12)10:6<245::AID-AMO422>3.0.CO;2-O

H. J. Kim, J. H. Jang, H. Choi, T. Lee, J. Ko et al., Photoregulated Fluorescence Switching in Axially Coordinated Tin(IV) Porphyrinic Dithienylethene, Inorganic Chemistry, vol.47, issue.7, pp.2411-2415, 2008.
DOI : 10.1021/ic701390m

J. Frey, G. Kodis, S. D. Straight, T. A. Moore, A. L. Moore et al., Photonic Modulation of Electron Transfer with Switchable Phase Inversion, The Journal of Physical Chemistry A, vol.117, issue.3, pp.607-615, 2013.
DOI : 10.1021/jp3106887

P. A. Liddell, G. Kodis, A. L. Moore, T. A. Moore, and D. Gust, Photonic Switching of Photoinduced Electron Transfer in a Dithienylethene???Porphyrin???Fullerene Triad Molecule, Journal of the American Chemical Society, vol.124, issue.26, pp.7668-7669, 2002.
DOI : 10.1021/ja026327c

D. E. Williams, J. A. Rietman, J. M. Maier, R. Tan, A. B. Greytak et al., Energy Transfer on Demand: Photoswitch-Directed Behavior of Metal???Porphyrin Frameworks, Journal of the American Chemical Society, vol.136, issue.34, pp.11886-11889, 2014.
DOI : 10.1021/ja505589d

L. Hou, X. Zhang, T. C. Pijper, W. R. Browne, and B. L. Feringa, Reversible Photochemical Control of Singlet Oxygen Generation Using Diarylethene Photochromic Switches, Journal of the American Chemical Society, vol.136, issue.3, pp.910-913, 2014.
DOI : 10.1021/ja4122473

2. O. Nevskyi, D. Sysoiev, A. Oppermann, T. Huhn, and D. Woll, Nanoscopic Visualization of Soft Matter Using Fluorescent Diarylethene Photoswitches, Angewandte Chemie International Edition, vol.106, issue.41, pp.12698-12702, 2016.
DOI : 10.1073/pnas.0907866106

B. Roubinet, M. L. Bossi, P. Alt, M. Leutenegger, H. Shojaei et al., Carboxylated Photoswitchable Diarylethenes for Biolabeling and Super-Resolution RESOLFT Microscopy, Angewandte Chemie International Edition, vol.71, issue.49, pp.15429-15433, 2016.
DOI : 10.1021/jo060505t

A. Osuka, D. Fujikane, H. Shinmori, S. Kobatake, and M. Irie, Synthesis and Photoisomerization of Dithienylethene-Bridged Diporphyrins, The Journal of Organic Chemistry, vol.66, issue.11, pp.3913-3923, 2001.
DOI : 10.1021/jo010001p

S. D. Straight, P. A. Liddell, Y. Terazono, T. A. Moore, A. L. Moore et al., All-Photonic Molecular XOR and NOR Logic Gates Based on Photochemical Control of Fluorescence in a Fulgimide???Porphyrin???Dithienylethene Triad, Advanced Functional Materials, vol.10, issue.5, pp.777-785, 2007.
DOI : 10.1002/adfm.200600802

S. Yamamoto, K. Matsuda, and M. Irie, Absolute Asymmetric Photocyclization of a Photochromic Diarylethene Derivative in Single Crystals, Angewandte Chemie International Edition, vol.42, issue.14, pp.1636-1639, 2003.
DOI : 10.1002/anie.200250417

S. Pu, L. Hui, L. Gang, L. Weijun, C. Shiqiang et al., Synthesis and the effects of substitution upon photochromic diarylethenes bearing an isoxazole moiety, Tetrahedron, vol.67, issue.7, pp.1438-1447, 2011.
DOI : 10.1016/j.tet.2010.12.041

E. G. Azenha, A. C. Serra, M. Pineiro, M. M. Pereira, J. Seixas-de-melo et al., Heavy-atom effects on metalloporphyrins and polyhalogenated porphyrins, Chemical Physics, vol.280, issue.1-2, pp.177-190, 2002.
DOI : 10.1016/S0301-0104(02)00485-8

M. Pineiro, A. L. Carvalho, M. M. Pereira, A. M. Rocha-gonsalves, L. G. Arnaut et al., Photoacoustic Measurements of Porphyrin Triplet-State Quantum Yields and Singlet-Oxygen Efficiencies, Chemistry - A European Journal, vol.4, issue.11, pp.2299-2307, 1998.
DOI : 10.1002/(SICI)1521-3765(19981102)4:11<2299::AID-CHEM2299>3.0.CO;2-H