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Asai, A.1
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Mizukami, T.5
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7
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1642382061
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Eur. Patent 768317, 1997
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(a) Mizukami, T.; Asai, A.; Yamashita, Y.; Katahira, R.; Hasegawa, A.; Ochiai, K.; Akinaga, S. Eur. Patent 768317, 1997; Chem. Abstr. 1997, 126 338840.
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Ochiai, K.6
Akinaga, S.7
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8
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1642276251
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(b) Asai, A.; Tsujita, T.; Sharma, S. V.; Yamashita, Y.; Akinaga, S.; Funakoshi, M.; Kobayashi, H.; Mizukami, T. Biochem. Pharmacol. 2004, 67, 227.
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Asai, A.1
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Akinaga, S.5
Funakoshi, M.6
Kobayashi, H.7
Mizukami, T.8
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11
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31144474766
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note
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The acyl-sultam prepared in two steps in overall yield 80%
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12
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0033548363
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(a) Michael, R.; Ofer, S.; Volker, S.; Meir, B.; Boris, Y. Tetrahedron: Asymmetry 1999, 10, 841-853.
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Michael, R.1
Ofer, S.2
Volker, S.3
Meir, B.4
Boris, Y.5
-
13
-
-
31144464967
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-
(b) Ashot, K.; Armenak, Kh. M.; Walter, F. S. Tetrahedron 2003, 59, 5475-5480.
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, vol.59
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Ashot, K.1
Armenak, Kh.M.2
Walter, F.S.3
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14
-
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31144473046
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note
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The major diastereomer 12a was crystallized as silyl ether. The minor distereomer 12b initially isolated as liquid but slowly it was crystallized out after a period of one month. The absolute stereochemistry 1′R,2R was assigned.
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-
-
-
15
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0000133961
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(a) Oppolzer, W.; Blagg, J.; Rodriguez.; Walther, E. J. Am. Chem. Soc. 1990, 112, 2167-2172.
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Oppolzer, W.1
Blagg, J.2
Rodriguez3
Walther, E.4
-
16
-
-
84958315401
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-
(b) Evans, D. A.; Rieger, D. L.; Bilodeau, Bilodeau, M. T.; Urpi, F. J. Am. Chem. Soc. 1991, 113, 1047-1049.
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J. Am. Chem. Soc.
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Evans, D.A.1
Rieger, D.L.2
Bilodeau Bilodeau, M.T.3
Urpi, F.4
-
17
-
-
0037160423
-
-
(c) Evans, D. A.; Tedrow, J. S.; Shaw, J. T.; Downey, C. W. J. Am. Chem. Soc. 2002, 124, 392-393.
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Evans, D.A.1
Tedrow, J.S.2
Shaw, J.T.3
Downey, C.W.4
-
18
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0030882988
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(d) Crimmins, M. T.; King, B. W.; Tabet, E. A. J. Am. Chem. Soc. 1997, 119, 7883.
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Crimmins, M.T.1
King, B.W.2
Tabet, E.A.3
-
20
-
-
31144472059
-
-
note
-
1H NMR spectrum of crude product. Our attempt to obtain a crystal of 13 was not successful. The absolute stereochemistry was assigned by analogy of 12a.
-
-
-
-
22
-
-
31144462515
-
-
note
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13
-
-
-
-
24
-
-
0025968773
-
-
(b) Oppolzer, W.; Christian, S.; Ines, R.; Bernardinelli, G. Tetrahedron Lett. 1991, 32, 61-64.
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(1991)
Tetrahedron Lett.
, vol.32
, pp. 61-64
-
-
Oppolzer, W.1
Christian, S.2
Ines, R.3
Bernardinelli, G.4
-
26
-
-
0032542772
-
-
(a) Corey, E. J.; Li, W.; Reichard, G. A. J. Am. Chem. Soc. 1998, 120, 2330-2336.
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(1998)
J. Am. Chem. Soc.
, vol.120
, pp. 2330-2336
-
-
Corey, E.J.1
Li, W.2
Reichard, G.A.3
-
27
-
-
31144451238
-
-
note
-
2Cl/pyridine gave the product but in poor yields.
-
-
-
-
28
-
-
31144438279
-
-
note
-
For preparation of dipeptide 23, see the Supporting Information.
-
-
-
-
29
-
-
31144450424
-
-
note
-
Synthetic analogues 3, 4, and 24, which were intended to be applied for testing against cancer cell lines, were not deprotected; belactosin C itself has greater activity in protected form.
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