-
1
-
-
0028029884
-
-
Daldinin: a) T. Hashimoto, S. Tahara, S. Takaoka, M. Tori, Y. Asakawa, Chem. Pharm. Bull. 1994, 42, 2397-2399;
-
(1994)
Chem. Pharm. Bull.
, vol.42
, pp. 2397-2399
-
-
Hashimoto, T.1
Tahara, S.2
Takaoka, S.3
Tori, M.4
Asakawa, Y.5
-
2
-
-
0031881537
-
-
trichoflectin: b) E. Thines, H. Anke, O. Sterner, J. Nat. Prod. 1998, 61, 306-308;
-
(1998)
J. Nat. Prod.
, vol.61
, pp. 306-308
-
-
Thines, E.1
Anke, H.2
Sterner, O.3
-
3
-
-
0031729820
-
-
5-bromoochrephilone: c) K. Natsuzaki, H. Tahara, J. Inokoshi, H. Tanaka, J. Antibiot. 1998, 51, 1004-1011;
-
(1998)
J. Antibiot.
, vol.51
, pp. 1004-1011
-
-
Natsuzaki, K.1
Tahara, H.2
Inokoshi, J.3
Tanaka, H.4
-
4
-
-
0033806668
-
-
8-o-methylsclerotiorinamine: d) J.-Y. Nam, H.-K. Kim, J.-Y. Kwon, M. Y. Han, K.-H. Son, U. C. Lee, I.-D. Choi, B.-M. Kwon, J. Nat. Prod. 2000, 63, 1303-1305;
-
(2000)
J. Nat. Prod.
, vol.63
, pp. 1303-1305
-
-
Nam, J.-Y.1
Kim, H.-K.2
Kwon, J.-Y.3
Han, M.Y.4
Son, K.-H.5
Lee, U.C.6
Choi, I.-D.7
Kwon, B.-M.8
-
5
-
-
0034993168
-
-
S-15183a: e) K. Kono, M. Tanaka, Y. Ono, T. Hosoya, T. Ogita, T. Kohama, J. Antibiot. 2001, 54, 415-420;
-
(2001)
J. Antibiot.
, vol.54
, pp. 415-420
-
-
Kono, K.1
Tanaka, M.2
Ono, Y.3
Hosoya, T.4
Ogita, T.5
Kohama, T.6
-
6
-
-
0037249219
-
-
isochromophilone IX: f) A.P. Michael, E. J. Grace, M. Kotiw, R. A. Barrow, Aust. J. Chem. 2003, 56, 13-15.
-
(2003)
Aust. J. Chem.
, vol.56
, pp. 13-15
-
-
Michael, A.P.1
Grace, E.J.2
Kotiw, M.3
Barrow, R.A.4
-
7
-
-
0023877995
-
-
M. Natsume, Y. Takahashi, S. Marumo, Agric. Biol. Chem. 1988, 52, 307-312.
-
(1988)
Agric. Biol. Chem.
, vol.52
, pp. 307-312
-
-
Natsume, M.1
Takahashi, Y.2
Marumo, S.3
-
10
-
-
0035692167
-
-
c) T. Suzuki, C. Okada, K. Arai, A. Awall, T. Shimizu, K. Tanemura, T. Horaguchi, J. Heterocycl. Chem. 2001, 38, 1409-1418;
-
(2001)
J. Heterocycl. Chem.
, vol.38
, pp. 1409-1418
-
-
Suzuki, T.1
Okada, C.2
Arai, K.3
Awall, A.4
Shimizu, T.5
Tanemura, K.6
Horaguchi, T.7
-
11
-
-
0035974386
-
-
d) T. Kamino, Y. Murata, N. Kawai, S. Hosokawa, S. Kobayashi, Tetrahedron Lett. 2001, 42, 5249-5252.
-
(2001)
Tetrahedron Lett.
, vol.42
, pp. 5249-5252
-
-
Kamino, T.1
Murata, Y.2
Kawai, N.3
Hosokawa, S.4
Kobayashi, S.5
-
12
-
-
0001389481
-
-
For reviews on the chemistry of 2-benzopyrylium salts, see: E. Kuznetsov, I. V. Shcherbakova, A. T. Balaban, Adv. Heterocycl. Chem. 1990, 50, 157-254.
-
(1990)
Adv. Heterocycl. Chem.
, vol.50
, pp. 157-254
-
-
Kuznetsov, E.1
Shcherbakova, I.V.2
Balaban, A.T.3
-
13
-
-
0000479568
-
-
For recent examples of cycloisomerization of alkynyl substrates, see: a) K. R. Roesch, R. C. Larock, Org. Lett. 1999, 1, 553-556;
-
(1999)
Org. Lett.
, vol.1
, pp. 553-556
-
-
Roesch, K.R.1
Larock, R.C.2
-
15
-
-
0035819945
-
-
c) A. V. Kel'in, A. W. Sromek, V. Gevorgyan, J. Am. Chem. Soc. 2001, 123, 2074-2075;
-
(2001)
J. Am. Chem. Soc.
, vol.123
, pp. 2074-2075
-
-
Kel'in, A.V.1
Sromek, A.W.2
Gevorgyan, V.3
-
17
-
-
0037202125
-
-
e) N. Asao, K. Takahashi, S. Lee, T. Kasahara, Y. Yamamoto, J. Am. Chem. Soc. 2002, 124, 12650-12651;
-
(2002)
J. Am. Chem. Soc.
, vol.124
, pp. 12650-12651
-
-
Asao, N.1
Takahashi, K.2
Lee, S.3
Kasahara, T.4
Yamamoto, Y.5
-
18
-
-
0141654566
-
-
f) N. Asao, T. Kasahara, Y. Yamamoto, Angew. Chem. 2003, 115, 3628-3630; Angew. Chem. Int. Ed. 2003, 42, 3504-3506;
-
(2003)
Angew. Chem.
, vol.115
, pp. 3628-3630
-
-
Asao, N.1
Kasahara, T.2
Yamamoto, Y.3
-
19
-
-
0042531738
-
-
f) N. Asao, T. Kasahara, Y. Yamamoto, Angew. Chem. 2003, 115, 3628-3630; Angew. Chem. Int. Ed. 2003, 42, 3504-3506;
-
(2003)
Angew. Chem. Int. Ed.
, vol.42
, pp. 3504-3506
-
-
-
20
-
-
0042734705
-
-
g) N. Asao, T. Nogami, S. Lee, Y. Yamamoto, J. Am. Chem. Soc. 2003, 125, 10921-10925;
-
(2003)
J. Am. Chem. Soc.
, vol.125
, pp. 10921-10925
-
-
Asao, N.1
Nogami, T.2
Lee, S.3
Yamamoto, Y.4
-
21
-
-
0037491431
-
-
h) N. Asao, K. Sato, Y. Yamamoto, Tetrahedron Lett. 2003, 44, 5675-5677.
-
(2003)
Tetrahedron Lett.
, vol.44
, pp. 5675-5677
-
-
Asao, N.1
Sato, K.2
Yamamoto, Y.3
-
22
-
-
4544369457
-
-
During the preparation of this manuscript, a publication appeared reporting the gold(III)-catalyzed formation of isobenzopyrylium (2-benzopyrylium) cations and their cycloaddition with olefins and electron-rich heteroarenes: G. Dyker, D. Hildebrandt, J. Liu, K. Merz, Angew. Chem. 2003, 115, 4536-4538; Angew. Chem. Int. Ed. 2003, 42, 4399-4402.
-
(2003)
Angew. Chem.
, vol.115
, pp. 4536-4538
-
-
Dyker, G.1
Hildebrandt, D.2
Liu, J.3
Merz, K.4
-
23
-
-
0141869024
-
-
During the preparation of this manuscript, a publication appeared reporting the gold(III)-catalyzed formation of isobenzopyrylium (2-benzopyrylium) cations and their cycloaddition with olefins and electron-rich heteroarenes: G. Dyker, D. Hildebrandt, J. Liu, K. Merz, Angew. Chem. 2003, 115, 4536-4538; Angew. Chem. Int. Ed. 2003, 42, 4399-4402.
-
(2003)
Angew. Chem. Int. Ed.
, vol.42
, pp. 4399-4402
-
-
-
24
-
-
33845550303
-
-
For use of a geminal diacetate (acylal) as a protecting group for aldehydes, see: a) K. S. Kochhar, B. S. Bal, R. P. Deshpande, S. N. Radadhyaksha, H. W. Pinnick, J. Org. Chem. 1983, 48, 1765-1767;
-
(1983)
J. Org. Chem.
, vol.48
, pp. 1765-1767
-
-
Kochhar, K.S.1
Bal, B.S.2
Deshpande, R.P.3
Radadhyaksha, S.N.4
Pinnick, H.W.5
-
25
-
-
0036689035
-
-
b) A. Kawada, S. Takeda, K. Yamashita, H. Abe, T. Harayama, Chem. Pharm. Bull. 2002, 50, 1060-1065.
-
(2002)
Chem. Pharm. Bull.
, vol.50
, pp. 1060-1065
-
-
Kawada, A.1
Takeda, S.2
Yamashita, K.3
Abe, H.4
Harayama, T.5
-
26
-
-
0032876142
-
-
For Sonogashira coupling with 2,3-dibromobenzaldehyde as a substrate, see: A. Fkyerat, G. Dubin, R. Tabacchi, Helv. Chim. Acta 1999, 82, 1418-1422.
-
(1999)
Helv. Chim. Acta
, vol.82
, pp. 1418-1422
-
-
Fkyerat, A.1
Dubin, G.2
Tabacchi, R.3
-
27
-
-
0000817646
-
-
For catalysis by gold species, see: a) G. Dyker, Angew. Chem. 2000, 112, 4407-4409; Angew. Chem. Int. Ed. 2000, 39, 4237-4239;
-
(2000)
Angew. Chem.
, vol.112
, pp. 4407-4409
-
-
Dyker, G.1
-
28
-
-
0034605865
-
-
For catalysis by gold species, see: a) G. Dyker, Angew. Chem. 2000, 112, 4407-4409; Angew. Chem. Int. Ed. 2000, 39, 4237-4239;
-
(2000)
Angew. Chem. Int. Ed.
, vol.39
, pp. 4237-4239
-
-
-
29
-
-
4544248700
-
-
b) two special issues on gold catalysis have appeared: Catal. Today 2002, 72, 1-169.
-
(2002)
Catal. Today
, vol.72
, pp. 1-169
-
-
-
34
-
-
0000727027
-
-
e) F. Gasparrini, M. Giovannoli, D. Misiti, G. Natile, G. Palmieri, L. Maresca, J. Am. Chem. Soc. 1993, 115, 4401-4402;
-
(1993)
J. Am. Chem. Soc.
, vol.115
, pp. 4401-4402
-
-
Gasparrini, F.1
Giovannoli, M.2
Misiti, D.3
Natile, G.4
Palmieri, G.5
Maresca, L.6
-
35
-
-
0001459366
-
-
f) J. H. Teles, S. Brode, M. Chabanas, Angew. Chem. 1998, 110, 1475-1478; Angew. Chem. Int. Ed. 1998, 37, 1415-1418;
-
(1998)
Angew. Chem.
, vol.110
, pp. 1475-1478
-
-
Teles, J.H.1
Brode, S.2
Chabanas, M.3
-
36
-
-
0032486218
-
-
f) J. H. Teles, S. Brode, M. Chabanas, Angew. Chem. 1998, 110, 1475-1478; Angew. Chem. Int. Ed. 1998, 37, 1415-1418;
-
(1998)
Angew. Chem. Int. Ed.
, vol.37
, pp. 1415-1418
-
-
-
37
-
-
0038785249
-
-
g) E. Mizushima, K. Sato, T. Hayashi, M. Tanaka, Angew. Chem. 2002, 114, 4745-4747; Angew. Chem. Int. Ed. 2002, 41, 4563-4565.
-
(2002)
Angew. Chem.
, vol.114
, pp. 4745-4747
-
-
Mizushima, E.1
Sato, K.2
Hayashi, T.3
Tanaka, M.4
-
38
-
-
0041345498
-
-
g) E. Mizushima, K. Sato, T. Hayashi, M. Tanaka, Angew. Chem. 2002, 114, 4745-4747; Angew. Chem. Int. Ed. 2002, 41, 4563-4565.
-
(2002)
Angew. Chem. Int. Ed.
, vol.41
, pp. 4563-4565
-
-
-
40
-
-
4544387254
-
-
note
-
13C NMR spectroscopy (see the Supporting Information). For previous NMR studies of 2-benzopyrylium salts, see ref. [3c].
-
-
-
-
42
-
-
4544307946
-
-
note
-
1H NMR analysis. (Diagram presented)
-
-
-
-
43
-
-
0037165401
-
-
For IBX oxidation of phenols to o-quinones, see: D. Magdziak, A. A. Rodriguez, R. W. Van De Water, T. R. R. Pettus, Org. Lett. 2002, 4, 285-288.
-
(2002)
Org. Lett.
, vol.4
, pp. 285-288
-
-
Magdziak, D.1
Rodriguez, A.A.2
Van De Water, R.W.3
Pettus, T.R.R.4
-
44
-
-
0037532988
-
-
For the use of phase-transfer catalysis for the oxidation of sulfides with IBX, see: V. G. Shukla, P. D. Salgaonkar, K. G. Akamanchi, J. Org. Chem. 2003, 68, 5422-5425.
-
(2003)
J. Org. Chem.
, vol.68
, pp. 5422-5425
-
-
Shukla, V.G.1
Salgaonkar, P.D.2
Akamanchi, K.G.3
-
45
-
-
0000024330
-
-
For further examples of ligand complexation/activation of IBX, see: a) K. C. Nicolaou, T. Montagnon, P. S. Baran, Angew. Chem. 2002, 114, 1035-1038; Angew. Chem. Int. Ed. 2002, 41, 993-996;
-
(2002)
Angew. Chem.
, vol.114
, pp. 1035-1038
-
-
Nicolaou, K.C.1
Montagnon, T.2
Baran, P.S.3
-
46
-
-
0037087704
-
-
For further examples of ligand complexation/activation of IBX, see: a) K. C. Nicolaou, T. Montagnon, P. S. Baran, Angew. Chem. 2002, 114, 1035-1038; Angew. Chem. Int. Ed. 2002, 41, 993-996;
-
(2002)
Angew. Chem. Int. Ed.
, vol.41
, pp. 993-996
-
-
-
47
-
-
0000154094
-
-
b) K. C. Nicolaou, D. L. F. Gray, T. Montagnon, S. T. Harrison, Angew. Chem. 2002, 114, 1038-1042; Angew. Chem. Int. Ed. 2002, 41, 996-1000.
-
(2002)
Angew. Chem.
, vol.114
, pp. 1038-1042
-
-
Nicolaou, K.C.1
Gray, D.L.F.2
Montagnon, T.3
Harrison, S.T.4
-
48
-
-
0037087571
-
-
b) K. C. Nicolaou, D. L. F. Gray, T. Montagnon, S. T. Harrison, Angew. Chem. 2002, 114, 1038-1042; Angew. Chem. Int. Ed. 2002, 41, 996-1000.
-
(2002)
Angew. Chem. Int. Ed.
, vol.41
, pp. 996-1000
-
-
-
49
-
-
0015169272
-
-
For previous work on chlorination at the C5 position of azaphilones (rotiorin), see: R. W. Gray, W. B. Whalley, J. Chem. Soc. C 1971, 3575-3577.
-
(1971)
J. Chem. Soc. C
, pp. 3575-3577
-
-
Gray, R.W.1
Whalley, W.B.2
-
50
-
-
0000956951
-
-
For [3,3] sigmatropic rearrangement of an allenyl (aryl) iodine(III) intermediate ("iodonio Claisen" rearrangement), see: a) M. Ochiai, T. Ito, Y. Takaoka, Y. Masaki, J. Am. Chem. Soc. 1991, 113, 1319-1323;
-
(1991)
J. Am. Chem. Soc.
, vol.113
, pp. 1319-1323
-
-
Ochiai, M.1
Ito, T.2
Takaoka, Y.3
Masaki, Y.4
-
51
-
-
0032552128
-
-
b) M. Ochiai, M. Kida, T. Okuyama, Tetrahedron Lett. 1998, 39, 6207-6210.
-
(1998)
Tetrahedron Lett.
, vol.39
, pp. 6207-6210
-
-
Ochiai, M.1
Kida, M.2
Okuyama, T.3
-
52
-
-
0034658926
-
-
3 in low-temperature Sonogashira couplings, see: a) T. Hundertmark, A. F. Littke, S. L. Buchwald, G. C. Fu, Org. Lett. 2000, 2, 1729-1731;
-
(2000)
Org. Lett.
, vol.2
, pp. 1729-1731
-
-
Hundertmark, T.1
Littke, A.F.2
Buchwald, S.L.3
Fu, G.C.4
-
54
-
-
0035874744
-
-
For microwave-promoted Sonogashira couplings, see: a) M. Erdélyi, A. Gogoll, J. Org. Chem. 2001, 66, 4165-4169;
-
(2001)
J. Org. Chem.
, vol.66
, pp. 4165-4169
-
-
Erdélyi, M.1
Gogoll, A.2
-
56
-
-
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-
-
note
-
1H NMR analysis.
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-
-
-
57
-
-
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-
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note
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Control experiments revealed that acetic acid was required to buffer the benzylamine and prevent decomposition of azaphilone 21.
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-
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-
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-
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4544285815
-
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CCDC 219685 (22a) contains the supplementary crystallographic data for this paper. These data can be obtained free of charge via www.ccdc.cam.ac.uk/ conts/retrieving.html (or from the Cambridge Crystallographic Data Centre, 12, Union Road, Cambridge CB21EZ, UK; fax: (+44) 1223-336-033; or deposit@ ccdc.cam.ac.uk).
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