-
1
-
-
0027401155
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-
Reviews dealing with the chemistry of donor-substituted allenes: a
-
Reviews dealing with the chemistry of donor-substituted allenes: a) R. Zimmer, Synthesis 1993, 165-178;
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(1993)
Synthesis
, pp. 165-178
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Zimmer, R.1
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2
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-
4644273297
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Eds, N. Krause, A. S. K. Hashmi, Wiley-VCH, Weinheim
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b) R. Zimmer, H.-U. Reissig, Modern Allene Chemistry, Vol. 1 (Eds.: N. Krause, A. S. K. Hashmi), Wiley-VCH, Weinheim, 2004, pp. 425-492;
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(2004)
Modern Allene Chemistry
, vol.1
, pp. 425-492
-
-
Zimmer, R.1
Reissig, H.-U.2
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3
-
-
0000478322
-
-
selected examples of the application of alkoxyallenes to natural product synthesis: c G. Stork, E. Nakamura, J. Am. Chem. Soc. 1983, 105, 5510-5512;
-
selected examples of the application of alkoxyallenes to natural product synthesis: c) G. Stork, E. Nakamura, J. Am. Chem. Soc. 1983, 105, 5510-5512;
-
-
-
-
4
-
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0001608555
-
-
d) S. W. Goldstein, L. E. Overman, M. H. Rabinowitz, J. Org. Chem. 1992, 57, 1179-1190;
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(1992)
J. Org. Chem
, vol.57
, pp. 1179-1190
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Goldstein, S.W.1
Overman, L.E.2
Rabinowitz, M.H.3
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5
-
-
0344838588
-
-
e) O. Flögel, M. G. Okala Amombo, H.-U. Reissig, G. Zahn, I. Brüdgam, H. Hartl, Chem. Eur. J. 2003, 9, 1405-1415;
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(2003)
Chem. Eur. J
, vol.9
, pp. 1405-1415
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-
Flögel, O.1
Okala Amombo, M.G.2
Reissig, H.-U.3
Zahn, G.4
Brüdgam, I.5
Hartl, H.6
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6
-
-
23044464753
-
-
f) S. Kaden, M. Brockmann, H.-U. Reissig, Helv. Chim. Acta 2005, 88, 1826-1838;
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(2005)
Helv. Chim. Acta
, vol.88
, pp. 1826-1838
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-
Kaden, S.1
Brockmann, M.2
Reissig, H.-U.3
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9
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-
84977283958
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a) S. Hoff, L. Brandsma, J. F. Arens, Reel. Trav. Chim. Pays-Bas 1969, 88, 609-619;
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(1969)
Reel. Trav. Chim. Pays-Bas
, vol.88
, pp. 609-619
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Hoff, S.1
Brandsma, L.2
Arens, J.F.3
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13
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4644262365
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e) O. Flögel, J. Dash, I. Brüdgam, H. Hartl, H.-U. Reissig, Chem. Eur. J. 2004, 10, 4283-4290;
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(2004)
Chem. Eur. J
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, pp. 4283-4290
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-
Flögel, O.1
Dash, J.2
Brüdgam, I.3
Hartl, H.4
Reissig, H.-U.5
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17
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-
0001515103
-
-
b) W. G. Salmond, M. A. Barta, J. L. Havens, J. Org. Chem. 1978, 43, 2057-2059.
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J. Org. Chem
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-
Salmond, W.G.1
Barta, M.A.2
Havens, J.L.3
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18
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0000434631
-
-
Synthesis of 3-methoxy-2-methylfuran: C. Meister, H.-D. Scharf, Synthesis 1981, 737-739.
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Synthesis of 3-methoxy-2-methylfuran: C. Meister, H.-D. Scharf, Synthesis 1981, 737-739.
-
-
-
-
19
-
-
34347207145
-
-
5 has transient character. When only one equivalent of DDQ is used in the oxidation, keto aldehyde 6 and dihydrofuran 4 are isolated in equal proportions. Attempts to trap species 5 in situ in the presence of various dienophiles were unsuccessful;
-
a) 5 has transient character. When only one equivalent of DDQ is used in the oxidation, keto aldehyde 6 and dihydrofuran 4 are isolated in equal proportions. Attempts to trap species 5 in situ in the presence of various dienophiles were unsuccessful;
-
-
-
-
20
-
-
2742513412
-
-
the oxidative cleavage of 3-methoxy-2,5-diphenylfuran with DDQ has been described: S. Sayama, Y. Inamura, Heterocycles 1996, 43, 1371-1374.
-
b) the oxidative cleavage of 3-methoxy-2,5-diphenylfuran with DDQ has been described: S. Sayama, Y. Inamura, Heterocycles 1996, 43, 1371-1374.
-
-
-
-
21
-
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34347269550
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-
2 at reflux failed to aromatize substrates 4. Oxidation of 4a with three equivalents of pyridinium chlorochromate (PCC) in pyridine/dichloromethane gave 15 % 6a along with 11 % of the highly unstable corresponding furan.
-
2 at reflux failed to aromatize substrates 4. Oxidation of 4a with three equivalents of pyridinium chlorochromate (PCC) in pyridine/dichloromethane gave 15 % 6a along with 11 % of the highly unstable corresponding furan.
-
-
-
-
22
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34347269150
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I-catalyzed cycloisomerizations of alkynes to furans proceeding via allene intermediates: R. C. D. Brown, Angew. Chem. 2005, 117, 872-874;
-
I-catalyzed cycloisomerizations of alkynes to furans proceeding via allene intermediates: R. C. D. Brown, Angew. Chem. 2005, 117, 872-874;
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-
-
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23
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13744249187
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Angew. Chem. Int. Ed. 2005, 44, 850-852.
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(2005)
Chem. Int. Ed
, vol.44
, pp. 850-852
-
-
Angew1
-
24
-
-
34347205960
-
-
This method requires four equivalents of DDQ because of partial inactivation of the reagent
-
This method requires four equivalents of DDQ because of partial inactivation of the reagent.
-
-
-
-
25
-
-
37049073730
-
-
2O has been described: K. Tanemura, T. Suzuki, T. Horaguchi, J. Chem. Soc. Chem. Commun. 1992, 979-980.
-
2O has been described: K. Tanemura, T. Suzuki, T. Horaguchi, J. Chem. Soc. Chem. Commun. 1992, 979-980.
-
-
-
-
26
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-
0038293051
-
-
J. A. Marco, M. Carda, S. Rodríguez, E. Castillo, M. N. Kneeteman, Tetrahedron 2003, 59, 4085-4101.
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(2003)
Tetrahedron
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-
Marco, J.A.1
Carda, M.2
Rodríguez, S.3
Castillo, E.4
Kneeteman, M.N.5
-
27
-
-
0001860894
-
-
The cleavage of furan derivatives with PCC has been described and probably proceeds by a [4+3] cycloaddition of the chromium reagent with the furan followed by cycloreversion: a G. Piancatelli, A. Scettri, M. D'Auria, Tetrahedron Lett. 1977, 2199-2200;
-
The cleavage of furan derivatives with PCC has been described and probably proceeds by a [4+3] cycloaddition of the chromium reagent with the furan followed by cycloreversion: a) G. Piancatelli, A. Scettri, M. D'Auria, Tetrahedron Lett. 1977, 2199-2200;
-
-
-
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28
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0001467252
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b) G. Piancatelli, A. Scettri, M. D'Auria, Tetrahedron 1980, 36, 661-663;
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(1980)
Tetrahedron
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Piancatelli, G.1
Scettri, A.2
D'Auria, M.3
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29
-
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0038362073
-
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c) R. Antonioletti, M. D'Auria, A. De Mico, G. Piancatelli, A. Scettri, Synthesis 1984, 280-281.
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(1984)
Synthesis
, pp. 280-281
-
-
Antonioletti, R.1
D'Auria, M.2
De Mico, A.3
Piancatelli, G.4
Scettri, A.5
-
30
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84985079237
-
I salts: A)L.-I. Olsson, A. Claesson
-
I salts: a)L.-I. Olsson, A. Claesson, Synthesis 1979, 743-746;
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(1979)
Synthesis
, pp. 743-746
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32
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0000177104
-
-
III: c A. Hoffmann-Röder, N. Krause, Org. Lett. 2001, 3, 2537-2538.
-
III: c) A. Hoffmann-Röder, N. Krause, Org. Lett. 2001, 3, 2537-2538.
-
-
-
-
33
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0001462758
-
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a) O. Achmatowicz, Jr., P. Bukowski, B. Szechner, Z. Zwierzchowska, A. Zamojski, Tetrahedron 1971, 27, 1973-1996;
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(1971)
Tetrahedron
, vol.27
, pp. 1973-1996
-
-
Achmatowicz Jr., O.1
Bukowski, P.2
Szechner, B.3
Zwierzchowska, Z.4
Zamojski, A.5
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34
-
-
33845554821
-
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b) N. L. Holder, Chem. Rev. 1982, 82, 287-332.
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(1982)
Chem. Rev
, vol.82
, pp. 287-332
-
-
Holder, N.L.1
-
35
-
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0029796569
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-
Isolation of heliquinomycin: a M. Chino, K. Nishikawa, M. Umekita, C. Hayashi, T. Yamazaki, T. Tsuchida, T. Sawa, M. Hamada, T. Takeuchi, J. Antibiot. 1996, 49, 752-757;
-
Isolation of heliquinomycin: a) M. Chino, K. Nishikawa, M. Umekita, C. Hayashi, T. Yamazaki, T. Tsuchida, T. Sawa, M. Hamada, T. Takeuchi, J. Antibiot. 1996, 49, 752-757;
-
-
-
-
36
-
-
10844296487
-
-
syntheses of several building blocks for heliquinomycin: b M. Brasholz, H.-U. Reissig, Synlett 2004, 2736-2738;
-
syntheses of several building blocks for heliquinomycin: b) M. Brasholz, H.-U. Reissig, Synlett 2004, 2736-2738;
-
-
-
-
39
-
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33750311235
-
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e) S. Sörgel, C. Azap, H.-U. Reissig, Org. Lett. 2006, 8, 4875-4878;
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(2006)
Org. Lett
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, pp. 4875-4878
-
-
Sörgel, S.1
Azap, C.2
Reissig, H.-U.3
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40
-
-
49049126129
-
-
further examples of cymarose glycosides: the glaucoside family: f T. Nagawa, K. Hayashi, K. Wada, H. Mitsuhashi, Tetrahedron 1983, 39, 606-612;
-
further examples of cymarose glycosides: the glaucoside family: f) T. Nagawa, K. Hayashi, K. Wada, H. Mitsuhashi, Tetrahedron 1983, 39, 606-612;
-
-
-
-
41
-
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0037235840
-
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g) K. Y. Lee, S. H. Sung, Y. C. Kim, Helv. Chim. Acta 2003, 86, 474-483;
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(2003)
Helv. Chim. Acta
, vol.86
, pp. 474-483
-
-
Lee, K.Y.1
Sung, S.H.2
Kim, Y.C.3
-
42
-
-
34347261671
-
-
cynanoside C: h H. Bai, W. Li, K. Koike, T. Satou, Y. Chen, T. Nikaido, Tetrahedron 2005, 61, 5797-5811.
-
cynanoside C: h) H. Bai, W. Li, K. Koike, T. Satou, Y. Chen, T. Nikaido, Tetrahedron 2005, 61, 5797-5811.
-
-
-
-
44
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34347262050
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-
The e.r. value was determined by HPLC on a chiral stationary phase Chiralpak AD, Daicel Chemical Industries Ltd, by comparison with a racemic reference sample
-
The e.r. value was determined by HPLC on a chiral stationary phase (Chiralpak AD, Daicel Chemical Industries Ltd.) by comparison with a racemic reference sample.
-
-
-
-
46
-
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0026354522
-
-
K. Toshima, T. Yoshida, S. Mukaiyama, K. Tatsuta, Carbohydr. Res. 1991, 222, 173-188.
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(1991)
Carbohydr. Res
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, pp. 173-188
-
-
Toshima, K.1
Yoshida, T.2
Mukaiyama, S.3
Tatsuta, K.4
-
47
-
-
37049108468
-
-
This represents the shortest stereoselective synthesis of L-cymarose known to date and the only one starting from non-carbohydrate material; known syntheses: a J. S. Brimacombe, R. Hanna, M. S. Saeed, L. C. N. Tucker, J. Chem. Soc. Perkin Trans. 1 1982, 2583-2587, 5 steps starting from methyl 2,3-O-benzylidene-α- L-rhamnopyranoside;
-
This represents the shortest stereoselective synthesis of L-cymarose known to date and the only one starting from non-carbohydrate material; known syntheses: a) J. S. Brimacombe, R. Hanna, M. S. Saeed, L. C. N. Tucker, J. Chem. Soc. Perkin Trans. 1 1982, 2583-2587, 5 steps starting from methyl 2,3-O-benzylidene-α- L-rhamnopyranoside;
-
-
-
-
48
-
-
34347233781
-
-
Ref. [19], 14 steps starting from methyl α-L- glucopyranoside; synthesis of L-oleandrose with L-cymarose as a side product:
-
b) Ref. [19], 14 steps starting from methyl α-L- glucopyranoside; synthesis of L-oleandrose with L-cymarose as a side product:
-
-
-
-
49
-
-
37049074895
-
-
8 steps starting from a lactaldehyde derivative
-
c) S. V. Ley, A. Armstrong, D. Díez-Martin, M. J. Ford, P. Grice, J. G. Knight, H. C. Kolb, A. Madin, C. A. Marby, S. Mukherjee, A. N. Shaw, A. M. Z. Slawin, S. Vile, A. D. White, D. J. Williams, M. Woods, J. Chem. Soc. Perkin Trans. 1 1991, 667-692, 8 steps starting from a lactaldehyde derivative.
-
(1991)
J. Chem. Soc. Perkin Trans. 1
, pp. 667-692
-
-
Ley, S.V.1
Armstrong, A.2
Díez-Martin, D.3
Ford, M.J.4
Grice, P.5
Knight, J.G.6
Kolb, H.C.7
Madin, A.8
Marby, C.A.9
Mukherjee, S.10
Shaw, A.N.11
Slawin, A.M.Z.12
Vile, S.13
White, A.D.14
Williams, D.J.15
Woods, M.16
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