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1
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Scheuer, P.J.1
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Yasumoto, T.7
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4
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0030576873
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For our synthetic studies on 1, (a)
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For our synthetic studies on 1, see: (a) Oka, T.; Fujiwara, K.; Murai, A. Tetrahedron 1996, 52, 12091.
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(d) Oka, T.; Fujiwara, K.; Murai, A. Tetrahedron 1998, 54, 21.
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9
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0031317275
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For recent synthetic studies on ciguatoxin, (a)
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For recent synthetic studies on ciguatoxin, see: (a) Oishi, T.; Shoji, M.; Kumahara, N.; Hirama, M. Chem. Lett. 1997, 845.
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(d) Sasaki, M.; Noguchi, T.; Tachibana, K. Tetrahedron Lett. 1999, 40, 1337.
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0001016023
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(f) Sasaki, M.; Fuwa, H.; Ishikawa, M.; Tachibana, K. Org. Lett. 1999, 1, 1075.
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0033575462
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(g) Oguri, H.; Sasaki, S.; Oishi, T.; Hirama, M. Tetrahedron Lett. 1999, 40, 5405.
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Oguri, H.1
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0033601166
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Inoue, M.1
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0033591751
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(i) Maeda, K.; Oishi, T.; Oguri, H.; Hirama, M. Chem. Commun. 1999, 1063.
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0033546445
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(j) Oishi, T.; Maruyama, M.; Shoji, M.; Maeda, K.; Kumahara, N.; Tanaka, S.; Hirama, M. Tetrahedron 1999, 55, 7471.
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Oishi, T.1
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Tanaka, S.6
Hirama, M.7
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19
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0033592630
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(k) Oishi, T.; Nagumo, Y.; Shoji, M.; Brazidec, J.-Y. L.; Uehara, H.; Hirama, M. Chem. Commun. 1999, 2035.
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0034607015
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0034716551
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0034704297
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Liu, T.-Z.1
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27
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0002445573
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28
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0032806956
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29
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0000485082
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31
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12644312578
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34
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0024353577
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-
40
-
-
0342948760
-
-
Alcohol 20 was obtained as the only stereoisomer. See, ref 3j
-
Alcohol 20 was obtained as the only stereoisomer. See, ref 3j.
-
-
-
-
41
-
-
0342514650
-
-
note
-
3 [M]: 210.1256, found: 210.1264.
-
-
-
-
42
-
-
0025146271
-
-
Nicolaou, K. C.; Hwang, C.-K.; Marron, B. E.; DeFrees, S. A.; Couladouros, E. A.; Abe, Y.; Carroll, P. J.; Snyder, J. P. J. Am. Chem. Soc. 1990, 112, 3040.
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Nicolaou, K.C.1
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Marron, B.E.3
DeFrees, S.A.4
Couladouros, E.A.5
Abe, Y.6
Carroll, P.J.7
Snyder, J.P.8
-
43
-
-
0012016624
-
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Evans, D. A.; Bartroli, J.; Shih, T. L. J. Am. Chem. Soc. 1981, 103, 2127.
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Evans, D.A.1
Bartroli, J.2
Shih, T.L.3
-
44
-
-
0342514648
-
-
note
-
The stereochemistry at C6 and C7 was confirmed by the detailed NMR analyses of 40 and 41, derived from 27, as shown in Figure 1. Formula Represented Figure 1
-
-
-
-
45
-
-
0032556235
-
-
Fujiwara, K.; Murai, A; Yotsu-Yamashita, M; Yasumoto, T. J. Am. Chem. Soc. 1998, 120, 10770.
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Fujiwara, K.1
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Yotsu-Yamashita, M.3
Yasumoto, T.4
-
46
-
-
0342514649
-
-
note
-
H8-H9 value (9.3 Hz). Existence of NOE between H7/H9 proved that the stereochemistry at C7 was unchanged under the final reductive cyclization conditions (Figure 2). Formula Represented Figure 2
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