Chemoenzymatic synthesis of an α-substituted serine derivative

Tetrahedron Asymmetry

Volumn 10, Issue 14, 1999, Pages 2703-2712

  Honda, Toshio ^a   Koizumi, Tatsuya ^a   Komatsuzaki, Yuki ^a   Yamashita, Rie ^a   Kanai, Kazuo ^a   Nagase, Hiromasa ^a  

^a HOSHI UNIVERSITY   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

MALONIC ACID DERIVATIVE; SERINE DERIVATIVE; SULFONIC ACID DERIVATIVE;

ARTICLE; CATALYSIS; CHIRALITY; DRUG HYDROLYSIS; PARTIAL DRUG SYNTHESIS; PRIORITY JOURNAL; STRUCTURE ANALYSIS; X RAY ANALYSIS;

EID: 0033575405     PISSN: 09574166     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0957-4166(99)00270-0     Document Type: Article

References (34)

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17. (q) Wenglowsky, S.; Hegedus, L. S. J. Am. Chem. Soc. 1998, 120, 12468, and recent references for the synthesis of α,α′-disubstituted α-amino acids cited therein.
18. For recent syntheses: (i) Conagenin: Hatakeyama, S.; Matsumoto, H.; Fukuyama, H.; Mukugi, Y.; Irie, H. Tetrahedron Lett. 1996, 37, 4047, and references cited therein. (ii) Lactacystin: (a) Corey, E. J.; Reichard, G. A. J. Am. Chem. Soc. 1992, 114, 10677. (b) Sunazuka, T.; Nagamitsu, T.; Matsuzaki, K.; Tanaka, H.; Omura, S. ibid. 1993, 115, 5302. (c) Uno, H.; Baldwin, J. E.; Russell, A. T. ibid. 1994, 116, 2139. (d) Chida, N.; Takeoka, J.; Tsutsumi, N.; Ogawa, S. J. Chem. Soc., Chem. Commun. 1995, 793. (e) Ko, S. H.; Jun, H.-S. Chem. Commun. 1998, 1929. (f) Ko, S. H.; Jun, H.-S.; Youn, J.-H. Synlett 1998, 1045. (iii) Myriocin: (a) Yoshikawa, M.; Yokokawa, Y.; Okuno, Y.; Murakami, N. Tetrahedron 1995, 51, 6209. (b) Sano, S.; Kobayashi, Y.; Kondo, T.; Takebayashi, M.; Murayama, S.; Fujita, T.; Nagao, Y. Tetrahedron Lett. 1995, 36, 2097. (iv) Mycestericins: (a) Fujita, T.; Hamamichi, N.; Matsuzaki, T.; Kitao, Y.; Kiuchi, M.; Node, M.; Hirose, R. ibid. 1995, 36, 8599. (b) Shibata, K.; Shingu, K.; Vassil, V. P.; Nishide, K.; Fujita, T.; Node, M.; Kajimoto, T.; Wong, C.-H. ibid. 1996, 37, 2791. (c) Fujita, T.; Hamamichi, N.; Kiuchi, M.; Matsuzaki, T.; Kitao, Y.; Inoue, K.; Hirose, R.; Yoneta, M.; Sasaki, S.; Chiba, K. J. Antibiot. 1996, 49, 846.
19. For recent syntheses: (i) Conagenin: Hatakeyama, S.; Matsumoto, H.; Fukuyama, H.; Mukugi, Y.; Irie, H. Tetrahedron Lett. 1996, 37, 4047, and references cited therein. (ii) Lactacystin: (a) Corey, E. J.; Reichard, G. A. J. Am. Chem. Soc. 1992, 114, 10677. (b) Sunazuka, T.; Nagamitsu, T.; Matsuzaki, K.; Tanaka, H.; Omura, S. ibid. 1993, 115, 5302. (c) Uno, H.; Baldwin, J. E.; Russell, A. T. ibid. 1994, 116, 2139. (d) Chida, N.; Takeoka, J.; Tsutsumi, N.; Ogawa, S. J. Chem. Soc., Chem. Commun. 1995, 793. (e) Ko, S. H.; Jun, H.-S. Chem. Commun. 1998, 1929. (f) Ko, S. H.; Jun, H.-S.; Youn, J.-H. Synlett 1998, 1045. (iii) Myriocin: (a) Yoshikawa, M.; Yokokawa, Y.; Okuno, Y.; Murakami, N. Tetrahedron 1995, 51, 6209. (b) Sano, S.; Kobayashi, Y.; Kondo, T.; Takebayashi, M.; Murayama, S.; Fujita, T.; Nagao, Y. Tetrahedron Lett. 1995, 36, 2097. (iv) Mycestericins: (a) Fujita, T.; Hamamichi, N.; Matsuzaki, T.; Kitao, Y.; Kiuchi, M.; Node, M.; Hirose, R. ibid. 1995, 36, 8599. (b) Shibata, K.; Shingu, K.; Vassil, V. P.; Nishide, K.; Fujita, T.; Node, M.; Kajimoto, T.; Wong, C.-H. ibid. 1996, 37, 2791. (c) Fujita, T.; Hamamichi, N.; Kiuchi, M.; Matsuzaki, T.; Kitao, Y.; Inoue, K.; Hirose, R.; Yoneta, M.; Sasaki, S.; Chiba, K. J. Antibiot. 1996, 49, 846.
20. For recent syntheses: (i) Conagenin: Hatakeyama, S.; Matsumoto, H.; Fukuyama, H.; Mukugi, Y.; Irie, H. Tetrahedron Lett. 1996, 37, 4047, and references cited therein. (ii) Lactacystin: (a) Corey, E. J.; Reichard, G. A. J. Am. Chem. Soc. 1992, 114, 10677. (b) Sunazuka, T.; Nagamitsu, T.; Matsuzaki, K.; Tanaka, H.; Omura, S. ibid. 1993, 115, 5302. (c) Uno, H.; Baldwin, J. E.; Russell, A. T. ibid. 1994, 116, 2139. (d) Chida, N.; Takeoka, J.; Tsutsumi, N.; Ogawa, S. J. Chem. Soc., Chem. Commun. 1995, 793. (e) Ko, S. H.; Jun, H.-S. Chem. Commun. 1998, 1929. (f) Ko, S. H.; Jun, H.-S.; Youn, J.-H. Synlett 1998, 1045. (iii) Myriocin: (a) Yoshikawa, M.; Yokokawa, Y.; Okuno, Y.; Murakami, N. Tetrahedron 1995, 51, 6209. (b) Sano, S.; Kobayashi, Y.; Kondo, T.; Takebayashi, M.; Murayama, S.; Fujita, T.; Nagao, Y. Tetrahedron Lett. 1995, 36, 2097. (iv) Mycestericins: (a) Fujita, T.; Hamamichi, N.; Matsuzaki, T.; Kitao, Y.; Kiuchi, M.; Node, M.; Hirose, R. ibid. 1995, 36, 8599. (b) Shibata, K.; Shingu, K.; Vassil, V. P.; Nishide, K.; Fujita, T.; Node, M.; Kajimoto, T.; Wong, C.-H. ibid. 1996, 37, 2791. (c) Fujita, T.; Hamamichi, N.; Kiuchi, M.; Matsuzaki, T.; Kitao, Y.; Inoue, K.; Hirose, R.; Yoneta, M.; Sasaki, S.; Chiba, K. J. Antibiot. 1996, 49, 846.
21. For recent syntheses: (i) Conagenin: Hatakeyama, S.; Matsumoto, H.; Fukuyama, H.; Mukugi, Y.; Irie, H. Tetrahedron Lett. 1996, 37, 4047, and references cited therein. (ii) Lactacystin: (a) Corey, E. J.; Reichard, G. A. J. Am. Chem. Soc. 1992, 114, 10677. (b) Sunazuka, T.; Nagamitsu, T.; Matsuzaki, K.; Tanaka, H.; Omura, S. ibid. 1993, 115, 5302. (c) Uno, H.; Baldwin, J. E.; Russell, A. T. ibid. 1994, 116, 2139. (d) Chida, N.; Takeoka, J.; Tsutsumi, N.; Ogawa, S. J. Chem. Soc., Chem. Commun. 1995, 793. (e) Ko, S. H.; Jun, H.-S. Chem. Commun. 1998, 1929. (f) Ko, S. H.; Jun, H.-S.; Youn, J.-H. Synlett 1998, 1045. (iii) Myriocin: (a) Yoshikawa, M.; Yokokawa, Y.; Okuno, Y.; Murakami, N. Tetrahedron 1995, 51, 6209. (b) Sano, S.; Kobayashi, Y.; Kondo, T.; Takebayashi, M.; Murayama, S.; Fujita, T.; Nagao, Y. Tetrahedron Lett. 1995, 36, 2097. (iv) Mycestericins: (a) Fujita, T.; Hamamichi, N.; Matsuzaki, T.; Kitao, Y.; Kiuchi, M.; Node, M.; Hirose, R. ibid. 1995, 36, 8599. (b) Shibata, K.; Shingu, K.; Vassil, V. P.; Nishide, K.; Fujita, T.; Node, M.; Kajimoto, T.; Wong, C.-H. ibid. 1996, 37, 2791. (c) Fujita, T.; Hamamichi, N.; Kiuchi, M.; Matsuzaki, T.; Kitao, Y.; Inoue, K.; Hirose, R.; Yoneta, M.; Sasaki, S.; Chiba, K. J. Antibiot. 1996, 49, 846.
22. For recent syntheses: (i) Conagenin: Hatakeyama, S.; Matsumoto, H.; Fukuyama, H.; Mukugi, Y.; Irie, H. Tetrahedron Lett. 1996, 37, 4047, and references cited therein. (ii) Lactacystin: (a) Corey, E. J.; Reichard, G. A. J. Am. Chem. Soc. 1992, 114, 10677. (b) Sunazuka, T.; Nagamitsu, T.; Matsuzaki, K.; Tanaka, H.; Omura, S. ibid. 1993, 115, 5302. (c) Uno, H.; Baldwin, J. E.; Russell, A. T. ibid. 1994, 116, 2139. (d) Chida, N.; Takeoka, J.; Tsutsumi, N.; Ogawa, S. J. Chem. Soc., Chem. Commun. 1995, 793. (e) Ko, S. H.; Jun, H.-S. Chem. Commun. 1998, 1929. (f) Ko, S. H.; Jun, H.-S.; Youn, J.-H. Synlett 1998, 1045. (iii) Myriocin: (a) Yoshikawa, M.; Yokokawa, Y.; Okuno, Y.; Murakami, N. Tetrahedron 1995, 51, 6209. (b) Sano, S.; Kobayashi, Y.; Kondo, T.; Takebayashi, M.; Murayama, S.; Fujita, T.; Nagao, Y. Tetrahedron Lett. 1995, 36, 2097. (iv) Mycestericins: (a) Fujita, T.; Hamamichi, N.; Matsuzaki, T.; Kitao, Y.; Kiuchi, M.; Node, M.; Hirose, R. ibid. 1995, 36, 8599. (b) Shibata, K.; Shingu, K.; Vassil, V. P.; Nishide, K.; Fujita, T.; Node, M.; Kajimoto, T.; Wong, C.-H. ibid. 1996, 37, 2791. (c) Fujita, T.; Hamamichi, N.; Kiuchi, M.; Matsuzaki, T.; Kitao, Y.; Inoue, K.; Hirose, R.; Yoneta, M.; Sasaki, S.; Chiba, K. J. Antibiot. 1996, 49, 846.
23. For recent syntheses: (i) Conagenin: Hatakeyama, S.; Matsumoto, H.; Fukuyama, H.; Mukugi, Y.; Irie, H. Tetrahedron Lett. 1996, 37, 4047, and references cited therein. (ii) Lactacystin: (a) Corey, E. J.; Reichard, G. A. J. Am. Chem. Soc. 1992, 114, 10677. (b) Sunazuka, T.; Nagamitsu, T.; Matsuzaki, K.; Tanaka, H.; Omura, S. ibid. 1993, 115, 5302. (c) Uno, H.; Baldwin, J. E.; Russell, A. T. ibid. 1994, 116, 2139. (d) Chida, N.; Takeoka, J.; Tsutsumi, N.; Ogawa, S. J. Chem. Soc., Chem. Commun. 1995, 793. (e) Ko, S. H.; Jun, H.-S. Chem. Commun. 1998, 1929. (f) Ko, S. H.; Jun, H.-S.; Youn, J.-H. Synlett 1998, 1045. (iii) Myriocin: (a) Yoshikawa, M.; Yokokawa, Y.; Okuno, Y.; Murakami, N. Tetrahedron 1995, 51, 6209. (b) Sano, S.; Kobayashi, Y.; Kondo, T.; Takebayashi, M.; Murayama, S.; Fujita, T.; Nagao, Y. Tetrahedron Lett. 1995, 36, 2097. (iv) Mycestericins: (a) Fujita, T.; Hamamichi, N.; Matsuzaki, T.; Kitao, Y.; Kiuchi, M.; Node, M.; Hirose, R. ibid. 1995, 36, 8599. (b) Shibata, K.; Shingu, K.; Vassil, V. P.; Nishide, K.; Fujita, T.; Node, M.; Kajimoto, T.; Wong, C.-H. ibid. 1996, 37, 2791. (c) Fujita, T.; Hamamichi, N.; Kiuchi, M.; Matsuzaki, T.; Kitao, Y.; Inoue, K.; Hirose, R.; Yoneta, M.; Sasaki, S.; Chiba, K. J. Antibiot. 1996, 49, 846.
24. For recent syntheses: (i) Conagenin: Hatakeyama, S.; Matsumoto, H.; Fukuyama, H.; Mukugi, Y.; Irie, H. Tetrahedron Lett. 1996, 37, 4047, and references cited therein. (ii) Lactacystin: (a) Corey, E. J.; Reichard, G. A. J. Am. Chem. Soc. 1992, 114, 10677. (b) Sunazuka, T.; Nagamitsu, T.; Matsuzaki, K.; Tanaka, H.; Omura, S. ibid. 1993, 115, 5302. (c) Uno, H.; Baldwin, J. E.; Russell, A. T. ibid. 1994, 116, 2139. (d) Chida, N.; Takeoka, J.; Tsutsumi, N.; Ogawa, S. J. Chem. Soc., Chem. Commun. 1995, 793. (e) Ko, S. H.; Jun, H.-S. Chem. Commun. 1998, 1929. (f) Ko, S. H.; Jun, H.-S.; Youn, J.-H. Synlett 1998, 1045. (iii) Myriocin: (a) Yoshikawa, M.; Yokokawa, Y.; Okuno, Y.; Murakami, N. Tetrahedron 1995, 51, 6209. (b) Sano, S.; Kobayashi, Y.; Kondo, T.; Takebayashi, M.; Murayama, S.; Fujita, T.; Nagao, Y. Tetrahedron Lett. 1995, 36, 2097. (iv) Mycestericins: (a) Fujita, T.; Hamamichi, N.; Matsuzaki, T.; Kitao, Y.; Kiuchi, M.; Node, M.; Hirose, R. ibid. 1995, 36, 8599. (b) Shibata, K.; Shingu, K.; Vassil, V. P.; Nishide, K.; Fujita, T.; Node, M.; Kajimoto, T.; Wong, C.-H. ibid. 1996, 37, 2791. (c) Fujita, T.; Hamamichi, N.; Kiuchi, M.; Matsuzaki, T.; Kitao, Y.; Inoue, K.; Hirose, R.; Yoneta, M.; Sasaki, S.; Chiba, K. J. Antibiot. 1996, 49, 846.
25. For recent syntheses: (i) Conagenin: Hatakeyama, S.; Matsumoto, H.; Fukuyama, H.; Mukugi, Y.; Irie, H. Tetrahedron Lett. 1996, 37, 4047, and references cited therein. (ii) Lactacystin: (a) Corey, E. J.; Reichard, G. A. J. Am. Chem. Soc. 1992, 114, 10677. (b) Sunazuka, T.; Nagamitsu, T.; Matsuzaki, K.; Tanaka, H.; Omura, S. ibid. 1993, 115, 5302. (c) Uno, H.; Baldwin, J. E.; Russell, A. T. ibid. 1994, 116, 2139. (d) Chida, N.; Takeoka, J.; Tsutsumi, N.; Ogawa, S. J. Chem. Soc., Chem. Commun. 1995, 793. (e) Ko, S. H.; Jun, H.-S. Chem. Commun. 1998, 1929. (f) Ko, S. H.; Jun, H.-S.; Youn, J.-H. Synlett 1998, 1045. (iii) Myriocin: (a) Yoshikawa, M.; Yokokawa, Y.; Okuno, Y.; Murakami, N. Tetrahedron 1995, 51, 6209. (b) Sano, S.; Kobayashi, Y.; Kondo, T.; Takebayashi, M.; Murayama, S.; Fujita, T.; Nagao, Y. Tetrahedron Lett. 1995, 36, 2097. (iv) Mycestericins: (a) Fujita, T.; Hamamichi, N.; Matsuzaki, T.; Kitao, Y.; Kiuchi, M.; Node, M.; Hirose, R. ibid. 1995, 36, 8599. (b) Shibata, K.; Shingu, K.; Vassil, V. P.; Nishide, K.; Fujita, T.; Node, M.; Kajimoto, T.; Wong, C.-H. ibid. 1996, 37, 2791. (c) Fujita, T.; Hamamichi, N.; Kiuchi, M.; Matsuzaki, T.; Kitao, Y.; Inoue, K.; Hirose, R.; Yoneta, M.; Sasaki, S.; Chiba, K. J. Antibiot. 1996, 49, 846.
26. For recent syntheses: (i) Conagenin: Hatakeyama, S.; Matsumoto, H.; Fukuyama, H.; Mukugi, Y.; Irie, H. Tetrahedron Lett. 1996, 37, 4047, and references cited therein. (ii) Lactacystin: (a) Corey, E. J.; Reichard, G. A. J. Am. Chem. Soc. 1992, 114, 10677. (b) Sunazuka, T.; Nagamitsu, T.; Matsuzaki, K.; Tanaka, H.; Omura, S. ibid. 1993, 115, 5302. (c) Uno, H.; Baldwin, J. E.; Russell, A. T. ibid. 1994, 116, 2139. (d) Chida, N.; Takeoka, J.; Tsutsumi, N.; Ogawa, S. J. Chem. Soc., Chem. Commun. 1995, 793. (e) Ko, S. H.; Jun, H.-S. Chem. Commun. 1998, 1929. (f) Ko, S. H.; Jun, H.-S.; Youn, J.-H. Synlett 1998, 1045. (iii) Myriocin: (a) Yoshikawa, M.; Yokokawa, Y.; Okuno, Y.; Murakami, N. Tetrahedron 1995, 51, 6209. (b) Sano, S.; Kobayashi, Y.; Kondo, T.; Takebayashi, M.; Murayama, S.; Fujita, T.; Nagao, Y. Tetrahedron Lett. 1995, 36, 2097. (iv) Mycestericins: (a) Fujita, T.; Hamamichi, N.; Matsuzaki, T.; Kitao, Y.; Kiuchi, M.; Node, M.; Hirose, R. ibid. 1995, 36, 8599. (b) Shibata, K.; Shingu, K.; Vassil, V. P.; Nishide, K.; Fujita, T.; Node, M.; Kajimoto, T.; Wong, C.-H. ibid. 1996, 37, 2791. (c) Fujita, T.; Hamamichi, N.; Kiuchi, M.; Matsuzaki, T.; Kitao, Y.; Inoue, K.; Hirose, R.; Yoneta, M.; Sasaki, S.; Chiba, K. J. Antibiot. 1996, 49, 846.
27. For recent syntheses: (i) Conagenin: Hatakeyama, S.; Matsumoto, H.; Fukuyama, H.; Mukugi, Y.; Irie, H. Tetrahedron Lett. 1996, 37, 4047, and references cited therein. (ii) Lactacystin: (a) Corey, E. J.; Reichard, G. A. J. Am. Chem. Soc. 1992, 114, 10677. (b) Sunazuka, T.; Nagamitsu, T.; Matsuzaki, K.; Tanaka, H.; Omura, S. ibid. 1993, 115, 5302. (c) Uno, H.; Baldwin, J. E.; Russell, A. T. ibid. 1994, 116, 2139. (d) Chida, N.; Takeoka, J.; Tsutsumi, N.; Ogawa, S. J. Chem. Soc., Chem. Commun. 1995, 793. (e) Ko, S. H.; Jun, H.-S. Chem. Commun. 1998, 1929. (f) Ko, S. H.; Jun, H.-S.; Youn, J.-H. Synlett 1998, 1045. (iii) Myriocin: (a) Yoshikawa, M.; Yokokawa, Y.; Okuno, Y.; Murakami, N. Tetrahedron 1995, 51, 6209. (b) Sano, S.; Kobayashi, Y.; Kondo, T.; Takebayashi, M.; Murayama, S.; Fujita, T.; Nagao, Y. Tetrahedron Lett. 1995, 36, 2097. (iv) Mycestericins: (a) Fujita, T.; Hamamichi, N.; Matsuzaki, T.; Kitao, Y.; Kiuchi, M.; Node, M.; Hirose, R. ibid. 1995, 36, 8599. (b) Shibata, K.; Shingu, K.; Vassil, V. P.; Nishide, K.; Fujita, T.; Node, M.; Kajimoto, T.; Wong, C.-H. ibid. 1996, 37, 2791. (c) Fujita, T.; Hamamichi, N.; Kiuchi, M.; Matsuzaki, T.; Kitao, Y.; Inoue, K.; Hirose, R.; Yoneta, M.; Sasaki, S.; Chiba, K. J. Antibiot. 1996, 49, 846.
28. For recent syntheses: (i) Conagenin: Hatakeyama, S.; Matsumoto, H.; Fukuyama, H.; Mukugi, Y.; Irie, H. Tetrahedron Lett. 1996, 37, 4047, and references cited therein. (ii) Lactacystin: (a) Corey, E. J.; Reichard, G. A. J. Am. Chem. Soc. 1992, 114, 10677. (b) Sunazuka, T.; Nagamitsu, T.; Matsuzaki, K.; Tanaka, H.; Omura, S. ibid. 1993, 115, 5302. (c) Uno, H.; Baldwin, J. E.; Russell, A. T. ibid. 1994, 116, 2139. (d) Chida, N.; Takeoka, J.; Tsutsumi, N.; Ogawa, S. J. Chem. Soc., Chem. Commun. 1995, 793. (e) Ko, S. H.; Jun, H.-S. Chem. Commun. 1998, 1929. (f) Ko, S. H.; Jun, H.-S.; Youn, J.-H. Synlett 1998, 1045. (iii) Myriocin: (a) Yoshikawa, M.; Yokokawa, Y.; Okuno, Y.; Murakami, N. Tetrahedron 1995, 51, 6209. (b) Sano, S.; Kobayashi, Y.; Kondo, T.; Takebayashi, M.; Murayama, S.; Fujita, T.; Nagao, Y. Tetrahedron Lett. 1995, 36, 2097. (iv) Mycestericins: (a) Fujita, T.; Hamamichi, N.; Matsuzaki, T.; Kitao, Y.; Kiuchi, M.; Node, M.; Hirose, R. ibid. 1995, 36, 8599. (b) Shibata, K.; Shingu, K.; Vassil, V. P.; Nishide, K.; Fujita, T.; Node, M.; Kajimoto, T.; Wong, C.-H. ibid. 1996, 37, 2791. (c) Fujita, T.; Hamamichi, N.; Kiuchi, M.; Matsuzaki, T.; Kitao, Y.; Inoue, K.; Hirose, R.; Yoneta, M.; Sasaki, S.; Chiba, K. J. Antibiot. 1996, 49, 846.
29. For recent syntheses: (i) Conagenin: Hatakeyama, S.; Matsumoto, H.; Fukuyama, H.; Mukugi, Y.; Irie, H. Tetrahedron Lett. 1996, 37, 4047, and references cited therein. (ii) Lactacystin: (a) Corey, E. J.; Reichard, G. A. J. Am. Chem. Soc. 1992, 114, 10677. (b) Sunazuka, T.; Nagamitsu, T.; Matsuzaki, K.; Tanaka, H.; Omura, S. ibid. 1993, 115, 5302. (c) Uno, H.; Baldwin, J. E.; Russell, A. T. ibid. 1994, 116, 2139. (d) Chida, N.; Takeoka, J.; Tsutsumi, N.; Ogawa, S. J. Chem. Soc., Chem. Commun. 1995, 793. (e) Ko, S. H.; Jun, H.-S. Chem. Commun. 1998, 1929. (f) Ko, S. H.; Jun, H.-S.; Youn, J.-H. Synlett 1998, 1045. (iii) Myriocin: (a) Yoshikawa, M.; Yokokawa, Y.; Okuno, Y.; Murakami, N. Tetrahedron 1995, 51, 6209. (b) Sano, S.; Kobayashi, Y.; Kondo, T.; Takebayashi, M.; Murayama, S.; Fujita, T.; Nagao, Y. Tetrahedron Lett. 1995, 36, 2097. (iv) Mycestericins: (a) Fujita, T.; Hamamichi, N.; Matsuzaki, T.; Kitao, Y.; Kiuchi, M.; Node, M.; Hirose, R. ibid. 1995, 36, 8599. (b) Shibata, K.; Shingu, K.; Vassil, V. P.; Nishide, K.; Fujita, T.; Node, M.; Kajimoto, T.; Wong, C.-H. ibid. 1996, 37, 2791. (c) Fujita, T.; Hamamichi, N.; Kiuchi, M.; Matsuzaki, T.; Kitao, Y.; Inoue, K.; Hirose, R.; Yoneta, M.; Sasaki, S.; Chiba, K. J. Antibiot. 1996, 49, 846.
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