Publications

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Publications in 1991-2003

1. Preparation of poly(methyl methacrylate) macromonomer by radical polymerization in the presence of methyl alpha-(bromomethyl)acrylate and copolymerization of the resultant macromonomer
B. Yamada, E. Kato, S. Kobatake, T. Otsu
Polym. Bull., 25(4), 423-430 (1991).
DOI: 10.1007/BF00310232, published on April, 1991

2. Control of molecular weight and end group of polymer by addition- fragmentation reaction with alpha-(bromomethyl)acrylate and allyl bromide
B. Yamada, S. Kobatake, T. Otsu
Polym. J., 24(3), 281-290 (1992).
DOI: 10.1295/polymj.24.281, published on March, 1992

3. Dependence of ESR spectra of poly(fumaric ester) radicals on temperature and ester alkyl group
B. Yamada, M. Fujita, S. Kobatake, T. Otsu
Polym. Bull., 29(1), 225-232 (1992).
DOI: 10.1007/BF00558061, published on August, 1992

4. Introduction of 2-methoxycarbonylallyl end group by copolymerization of methyl alpha-(phenoxymethyl)acrylate accompanying with addition-fragmentation reaction
B. Yamada, S. Kobatake, M. Satake, T. Otsu
J. Polym. Sci., Part A: Polym. Chem., 31(6), 1551-1559 (1993).
DOI: 10.1002/pola.1993.080310625, published on May, 1993

5. Polymerization and copolymerization of methyl 2-(chloromethyl)acrylate in competition with addition-fragmentation
B. Yamada, S. Kobatake, S. Aoki
Macromolecules, 26(19), 5099-5104 (1993).
DOI: 10.1021/ma00071a019, published on September, 1993

6. Preparation of polymer with controlled molecular weight up to high conversion using methyl 2-bromomethylacrylate as a chain transfer agent in radical polymerization
B. Yamada, S. Kobatake, S. Aoki
Polym. Bull., 31(3), 263-270 (1993).
DOI: 10.1007/BF00692950, published on September, 1993

7. Polymerization of 2-(substituted methyl)acrylate bearing omega-methoxyoligoethyleneoxy groups as side chains to new low Tg polymer
B. Yamada, S. Kobatake, S. Aoki
J. Polym. Sci., Part A: Polym. Chem., 31(13), 3433-3438 (1993).
DOI: 10.1002/pola.1993.080311332, published on December 1993

8. Radical polymerization, co-polymerization, and chain transfer of alpha-substituted acrylic esters
B. Yamada, S. Kobatake
Prog. Polym. Sci., 19(6), 1089-1131 (1994).
DOI: 10.1016/0079-6700(94)90026-4, published on November 1993

9. Synthesis of methyl methacrylate/styrene copolymer bearing a carbomethoxyallyl end group with limited molecular weight by addition-fragmentation reaction of methyl alpha-(bromomethyl)acrylate
B. Yamada, S. Kobatake, S. Aoki
Macromol. Chem. Phys., 195(2), 581-590 (1994).
DOI: 10.1002/macp.1994.021950215, published on February 1994

10. Rate constants for elementary reactions of the radical polymerization of methyl 2-(benzyloxymethyl)acrylate as polymerizable acrylate bearing large substituents
B. Yamada, S. Kobatake, S. Aoki
Macromol. Chem. Phys., 195(3), 933-942 (1994).
DOI: 10.1002/macp.1994.021950310, published on March 1994

11. Synthesis and radical polymerization of multi-functional acrylic ester bearing a 2,2-bis(alkoxycarbonyl)ethyl group as 2-substituent
S. Kobatake, B. Yamada, S. Aoki
Macromol. Rapid Commun., 15(2), 145-150 (1994).
DOI: 10.1002/marc.1994.030150209, published on February 1994

12. Radical polymerization and copolymerization of methyl 2-(acyloxymethyl)acrylate as hindered 2-substituted acrylate
S. Kobatake, B. Yamada, S. Aoki
Polymer, 36(2), 413-419 (1995).
DOI: 10.1016/0032-3861(95)91333-3, published on January 1995

13. Severely hindered propagation and termination allowing radical polymerization of alpha-substituted acrylate bearing a bis(carbomethoxy)ethyl group
S. Kobatake, B. Yamada
Macromolecules, 28(12), 4047-4954 (1995).
DOI: 10.1021/ma00116a001, published on June 1995

14. Radical polymerization and copolymerization of methyl alpha-(2-carbomethoxyethyl)acrylate, a dimer of methyl acrylate, as a polymerizable alpha-substituted acrylate
S. Kobatake, B. Yamada
J. Polym. Sci., Part A: Polym. Chem., 34(2), 95-108 (1996).
DOI: 10.1002/(SICI)1099-0518(19960115)34:1<95::AID-POLA10>3.0.CO;2-A, published on January 1996

15. Preparation and polymerization behavior of 2-[2,2,2-tris(carboalkoxy)ethyl]acrylic ester as a sterically congested monomer
B. Yamada, S. Kobatake, O. Konosu
Macromol. Chem. Phys., 197(3), 901-910 (1996).
DOI: 10.1002/macp.1996.021970312, published on March 1996

16. Sterically hindered elementary reactions in radical polymerization of alpha-ethylacrylic esters as studied by ESR spectroscopy
S. Kobatake, B. Yamada
Polym. J., 28(6), 535-542 (1996).
DOI: 10.1295/polymj.28.535, published on June 1996

17. Mechanisms and kinetics of nitroxide-controlled free radical polymerization
T. Fukuda, T. Terauchi, A. Goto, K. Ohno, Y. Tsujii, T. Miyamoto, S. Kobatake, B. Yamada
Macromolecules, 29(20), 6393-6398 (1996).
DOI: 10.1021/ma960552v, published on September 1996

18. Synthesis of nitroxy-functionalized polybutadiene by anionic polymerization using a nitroxy-functionalized terminator
S. Kobatake, H. J. Harwood, R. P. Quirk, D. B. Priddy
Macromolecules, 30(14), 4238-4240 (1997).
DOI: 10.1021/ma970153f, published on July 14, 1997

19. Radical polymerization of a trimer of methyl acrylate as polymerizable alpha-substituted acrylate
S. Kobatake, B. Yamada
Macromol. Chem. Phys., 198(9), 2825-2837 (1997).
DOI: 10.1002/macp.1997.021980913, published on September 1997

20. Block copolymer synthesis by styrene polymerization initiated with nitroxy-functionalized polybutadiene
S. Kobatake, H. J. Harwood, R. P. Quirk, D. B. Priddy
Macromolecules, 31(11), 3735-3739 (1998).
DOI: 10.1021/ma9718154, published on June 2, 1998

21. Nitroxide-mediated styrene polymerization initiated by an oxoaminium chloride
S. Kobatake, H. J. Harwood, R. P. Quirk, D. B. Priddy
J. Polym. Sci., Part A: Polym. Chem., 36(14), 2555-2561 (1998).
DOI: 10.1002/(SICI)1099-0518(199810)36:14<2555::AID-POLA14>3.0.CO;2-H, published on October 1998

22. Synthesis of nitroxide-functionalized polybutadiene using halogen-containing benzyloxyamine as terminators for anionic polymerization
S. Kobatake, H. J. Harwood, R. P. Quirk, D. B. Priddy
Macromolecules, 32(1), 10-13 (1999).
DOI: 10.1021/ma980395v, published on January 12, 1999
[Correction]
Macromolecules, 32(26), 9080-9080 (1999).

23. Photochromism of 1,2-bis(2,5-dimethyl-3-thienyl)perfluorocyclopentene in a single crystalline phase
S. Kobatake, T. Yamada, K. Uchida, N. Kato, M. Irie
J. Am. Chem. Soc., 121(11), 2380-2386 (1999).
DOI: 10.1021/ja983717j, published on March 24, 1999

24. Fatigue resistant properties of photochromic dithienylethenes: by product formation
M. Irie, T. Lifka, K. Uchida, S. Kobatake, Y. Shindo
Chem. Commun., (8), 747-748 (1999).
DOI: 10.1039/a809410a

25. Radiation-induced coloration of photochromic dithienylethene derivatives
S. Irie, T. Yamaguchi, H. Nakazumi, S. Kobatake, M. Irie
Bull. Chem. Soc. Jpn., 72(5), 1139-1142 (1999).
DOI: 10.1246/bcsj.72.1139

26. Photochromism of 1,2-bis(2-methyl-6-nitro-1-benzo- thiophen-3-yl)perfluorocyclopentene in a single-crystalline phase: Dichroism of the closed-ring form isomer
S. Kobatake, M. Yamada, T. Yamada, M. Irie
J. Am. Chem. Soc., 121(37), 8450-8456 (1999).
DOI: 10.1021/ja991013j, published on September 22, 1999

27. Refractive index change of dithienylethene in bulk amorphous solid phase
T. Kawai, N. Fukuda, D. Groschl, S. Kobatake, M. Irie
Jpn J. Appl. Phys. Part 2, 38(10B), L1194-L1196 (1999).
DOI: 10.1143/jjap.38.L1194

28. ESR spectroscopic studies of radical polymerization
B. Yamada, D. G. Westmoreland, S. Kobatake, O. Konosu
Prog. Polym. Sci., 24(4), 565-630 (1999).
DOI: 10.1016/S0079-6700(99)00012-X, published on July 1999

29. X-ray crystallographic study on single-crystalline photochromism of bis(2,5-dimethyl-3-thienyl)-perfluorocyclopentene
T. Yamada, S. Kobatake, K. Muto, M. Irie
J. Am. Chem. Soc., 122(8), 1589-1592 (2000).
DOI: 10.1021/ja993289x, published on March 1, 2000

30. Photochromism of 1,2-bis(2-methyl-5-phenyl-3-thienyl)perfluorocyclopentene in a single-crystalline phase
M. Irie, T. Lifka, S. Kobatake, N. Kato
J. Am. Chem. Soc., 122(20), 4871-4876 (2000).
DOI: 10.1021/ja993181h, published on May 24, 2000

31. Photochromism of diarylethenes in single-crystalline phases
S. Kobatake, T. Yamada, M. Irie
Mol. Cryst. Liq. Cryst., 344, 185-190 (2000).
DOI: 10.1080/10587250008023834, published on September 2000

32. Photochromic reactions of diarylethenes with isopropyl groups
K. Uchida, E. Tsuchida, S. Nakamura, S. Kobatake, M. Irie
Mol. Cryst. Liq. Cryst., 345, 9-14 (2000).
DOI: 10.1080/10587250008023887, published on September 2000

33. Reversible diastereoselective photocyclization of a diarylethene in a single-crystalline phase
T. Kodani, K. Matsuda, T. Yamada, S. Kobatake, M. Irie
J. Am. Chem. Soc., 122(40), 9631-9637 (2000).
DOI: 10.1021/ja001350o, published on October 11, 2000

34. X-ray crystallographic study on single-crystalline photochromism of 1,2-bis(2,5-dimethyl-3-thienyl)perfluorocyclopentene
T. Yamada, S. Kobatake, M. Irie
Bull. Chem. Soc. Jpn., 73(10), 2179-2184 (2000).[BCSJ Award]
DOI: 10.1246/bcsj.73.2179, published on October 2000

35. Fatigue mechanism of photochromic 1,2-bis(2,5-dimethyl-3-thienyl)perfluorocyclopentene
K. Higashiguchi, K. Matsuda, S. Kobatake, T. Yamada, T. Kawai, M. Irie
Bull. Chem. Soc. Jpn., 73(10), 2389-2394 (2000).
DOI: 10.1246/bcsj.73.2389, published on October 2000

36. Photochromism of diarylethenes having isopropyl groups at the reactive carbons. Thermal cycloreversion of the closed-ring isomers.
S. Kobatake, K. Uchida, E. Tsuchida, M. Irie
Chem. Lett., (11), 1340-1341 (2000).
DOI: 10.1246/cl.2000.1340, published on November 2000

37. Photochromism of 1,2-bis(2-ethyl-5-phenyl-3-thienyl)perfluorocyclopentene. Conrotatory thermal cycloreversion of the closed-ring isomer.
S. Kobatake, K. Shibata, K. Uchida, M. Irie
J. Am. Chem. Soc., 122(49), 12135-12141 (2000).
DOI: 10.1021/ja001996g, published on December 13, 2000

38. Three-dimensional erasable optical memory using a photochromic diarylethene single crystal as the recording medium
T. Fukaminato, S. Kobatake, T. Kawai, M. Irie
Proc. Japan Acad., Ser. B, 77, 30-35 (2001).
DOI: 10.2183/pjab.77.30, published on 2001

39. Reversible surface morphology changes of a photochromic diarylethene single crystal by photoirradiation
M. Irie, S. Kobatake, M. Horichi
Science, 291(5509), 1769-1772 (2001).
DOI: 10.1126/science.291.5509.1769, published on March 2, 2001

40. Substituent effect on the photochromic reactivity of bis(2-thienyl)perfluorocyclopentenes
K. Uchida, T. Matsuoka, S. Kobatake, T. Yamaguchi, M. Irie
Tetrahedron, 57(21), 4559-4565 (2001).
DOI: 10.1016/S0040-4020(01)00389-1, published on May 21, 2001

41. Synthesis and photoisomerization of dithienylethene-bridged diporphyrins
A. Osuka, D. Fujikane, H. Shinmori, S. Kobatake, M. Irie
J. Org. Chem., 66(11), 3913-3923 (2001).
DOI: 10.1021/jo010001p, published on June 1, 2001

42. Extraordinarily low cycloreversion quantum yields of photochromic diarylethenes with methoxy substituents
K. Shibata, S. Kobatake, M. Irie
Chem. Lett., (7), 618-619 (2001).
DOI: 10.1246/cl.2001.618, published on July 2001

43. Crystal structure-reactivity correlation in single-crystalline photochromism of 1,2-bis(2-methyl-5-phenyl-3-thienyl)perfluorocyclopentene
T. Yamada, K. Muto, S. Kobatake, M. Irie
J. Org. Chem., 66(18), 6164-6168 (2001).
DOI: 10.1021/jo010117l, published on September 7, 2001

44. 光で結晶が伸び縮みする？－フォトクロミズムの新たな可能性
小畠誠也・入江正浩
化学, 56(11), 19-24 (2001).

45. Photocyclization/cycloreversion quantum yields of diarylethenes in single crystals
K. Shibata, K. Muto, S. Kobatake, M. Irie
J. Phys. Chem. A, 106(1), 209-214 (2002).
DOI: 10.1021/jp0115648, published on January 10, 2002

46. Single-crystalline photochromism of diarylethene mixtures
T. Yamada, S. Kobatake, M. Irie
Bull. Chem. Soc. Jpn., 75(1), 167-173 (2002).
DOI: 10.1246/bcsj.75.167, published on January 2002

47. 結晶のフォトクロミズム
入江正浩・小畠誠也
日本結晶学会誌, 44(1), 61-64 (2002).

48. Efficient photocyclization of dithienylethene dimer, trimer and tetramer: Quantum yield and reaction dynamics
T. Kaieda, S. Kobatake, H. Miyasaka, M. Murakami, N. Iwai, Y. Nagata, A. Itaya, M. Irie
J. Am. Chem. Soc., 124(9), 2015-2024 (2002).
DOI: 10.1021/ja0115722, published on March 6, 2002

49. Thermal cycloreversion reaction of a photochromic dithienylperfluorocyclopentene with tert-butoxy substituents at the reactive carbons
K. Morimitsu, K. Shibata, S. Kobatake, M. Irie
Chem. Lett., (6), 572-573 (2002).
DOI: 10.1246/cl.2002.572, published on June 2002

50. Dithienylethenes with a novel photochromic performance
K. Morimitsu, K. Shibata, S. Kobatake, M. Irie
J. Org. Chem., 67(13), 4574-4578 (2002).
DOI: 10.1021/jo020114o, published on June 28, 2002

51. Multi-colored photochromic crystals of diarylethene mixture
M. Morimoto, S. Kobatake, M. Irie
Adv. Mater., 14(15), 1027-1029 (2002).
DOI: 10.1002/1521-4095(20020805)14:15<1027::AID-ADMA1027>3.0.CO;2-F, published on August 2002

52. An ab initio MO study of the photochromic reaction of dithienylethenes
D. Guillaumont, T. Kobayashi, K. Kanda, H. Miyasaka, K. Uchida, S. Kobatake, K. Shibata, S. Nakamura, M. Irie
J. Phys. Chem. A, 106(31), 7222-7227 (2002).
DOI: 10.1021/jp021060p, published on August 8, 2002

53. ジアリールエテンの単結晶フォトクロミズム
小畠誠也・入江正浩
化学工業, (7), 485-490 (2002).

54. Two-photon photochromism of two simple chromene derivatives
M. Hu, S. Kawauchi, M. Satoh, J. Komiyama, J. Watanabe, S. Kobatake, M. Irie
J. Photochem. Photobiol. A: Chem., 150(1-3), 131-141 (2002).
DOI: 10.1016/S1010-6030(02)00136-3, published on July 26, 2002

55. Single-crystalline photochromism of diarylethenes: reactivity-structure relationship
S. Kobatake, K. Uchida, E. Tsuchida, M. Irie
Chem. Commun., (23), 2804-2805 (2002).
DOI: 10.1039/B208419H, published on 2002

56. Absorption spectra of colored isomer of diarylethene in single crystals
S. Kobatake, M. Morimoto, Y. Asano, A. Murakami, S. Nakamura, M. Irie
Chem. Lett., (12), 1224-1225 (2002).
DOI: 10.1246/cl.2002.1224, published on December 2002

57. フォトクロミック分子材料のナノ加工
小畠誠也・入江正浩
精密工学会誌, 69(2), 174-177 (2003).

58. Polymorphism of 1,2-bis(2-methyl-5-p-methoxyphenyl-3-thienyl)- perfluorocyclopentene and photochromic reactivity of the single crystals
M. Morimoto, S. Kobatake, M. Irie
Chem. Eur. J., 9(3), 621-627 (2003).
DOI: 10.1002/chem.200390066, published on February 3, 2003

59. Copolymerization of methyl alpha-(chloromethyl)acrylate with styrene accompanied by addition-fragmentation chain transfer
B. Yamada, T. Hirano, S. Kobatake
Polym. Bull., 49(5), 305-312 (2003).
DOI: 10.1007/s00289-002-0108-x, published on January 2003

60. Picosecond and femtosecond laser photolysis studies of a photochromic diarylethene derivative: Multiphoton gated reaction
H. Miyasaka, M. Murakami, T. Okada, Y. Nagata, A. Itaya, S. Kobatake, M. Irie
Chem. Phys. Lett., 371(1-2), 40-48 (2003).
DOI: 10.1016/S0009-2614(03)00219-7, published on March 28, 2003

61. Theoretical study on novel quantum yields of dithienylethenes cyclization reactions in crystals
Y. Asano, A. Murakami, T. Kobayashi, S. Kobatake, M. Irie, S. Yabushita, S. Nakamura
J. Mol. Struct. (Theochem), 625(1-3), 227-234 (2003).
DOI: 10.1016/S0166-1280(03)00025-3, published on May 5, 2003

62. Rotational isomerization of dithienylethenes: A study on the mechanism determining quantum yield of cyclization reaction
A. Goldberg, A. Murakami, K. Kanda, T. Kobayashi, S. Nakamura, K. Uchida, H. Sekiya, T. Fukaminato, T. Kawai, S. Kobatake, M. Irie
J. Phys. Chem. A, 107(25), 4982-4988 (2003).
DOI: 10.1021/jp0213553, published on June 26, 2003

63. Photochromism
S. Kobatake, M. Irie
Annu. Rep. Prog. Chem., Sect. C, 99, 277-313 (2003).
DOI: 10.1039/b208508a, published on 2003

64. Fluorescence of photochromic 1,2-bis(3-methyl-2-thienyl)ethene
T. Fukaminato, T. Kawai, S. Kobatake, M. Irie
J. Phys. Chem. B, 107(33), 8372-8377 (2003).
DOI: 10.1021/jp034624d, published on August 21, 2003

65. Efficient photocycloreversion reaction of diarylethenes by introduction of cyano subsutituents to the reactive carbon
K. Morimitsu, S. Kobatake, S. Nakamura, M. Irie
Chem. Lett., 32(9), 858-859 (2003).
DOI: 10.1246/cl.2003.858, published on S, 2003

66. Multicolor photochromism of two- and three-component diarylethene crystals
M. Morimoto, S. Kobatake, M. Irie
J. Am. Chem. Soc., 125(36), 11080-11087 (2003).
DOI: 10.1021/ja035277o, published on September 10, 2003

67. Aryl-perfluoroaryl interaction in photochromic diarylethene crystals
M. Morimoto, S. Kobatake, M. Irie
Crystal Growth & Design, 3(5), 847-854 (2003).
DOI: 10.1021/cg034076t, published on September 2003

68. Extraordinarily high thermal stability of the closed-ring isomer of 1,2-bis(5-methyl-2-phenylthiazol-4-yl)perfluorocyclopentene
S. Takami, S. Kobatake, T. Kawai, M. Irie
Chem. Lett., 32(10), 892-893 (2003).
DOI: 10.1246/cl.2003.892, published on October 2003

69. Synthesis and photochromic reactivity of a diarylethene dimer linked by a phenyl group
S. Kobatake, M. Irie
Tetrahedron, 59(42), 8359-8364 (2003).
DOI: 10.1016/j.tet.2003.08.061, published on October 13, 2003

70. Synthesis and photochromism of diarylethenes with isopropyl groups at the reactive carbons and long pai-conjugated heteroaryl groups
S. Kobatake, M. Irie
Chem. Lett., 32(11), 1078-1079 (2003).
DOI: 10.1246/cl.2003.1078, published on November 2003

71. Photochromism of diarylethenes in nanolayers of a single crystal
M. Morimoto, S. Kobatake, M. Irie
Photochem. Photobiol. Sci., 2(11), 1088-1094 (2003).
DOI: 10.1039/b307999f, published on November 2003