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1
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0001078311
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For aldol additions of malonates in total synthesis of epolactaene, see
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a) For aldol additions of malonates in total synthesis of epolactaene, see: S. Marumoto, H. Kogen, S. Naruto, J. Org. Chem. 1998, 63, 2068-2069;
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J. Org. Chem
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Marumoto, S.1
Kogen, H.2
Naruto, S.3
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2
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0026733928
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for aldol additions of malonates in the total synthesis of carbohydrates, see
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b) for aldol additions of malonates in the total synthesis of carbohydrates, see: A. Saba, V. Adovasio, M. Nardelli, Tetrahedron: Asymmetry 1992, 3, 1573-1582.
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(1992)
Tetrahedron: Asymmetry
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Saba, A.1
Adovasio, V.2
Nardelli, M.3
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3
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57849123842
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For hydroxymethylation of 3-benzoyl-2oxo-ethylpropionate, see
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a) For hydroxymethylation of 3-benzoyl-2oxo-ethylpropionate, see: J. Couquelet, J. B. Boyer, J. Coquelet, Compt. Rend. S. Acad. Sciences, Ser. C: Sciences Chim. 1972, 274, 422-425;
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(1972)
Compt. Rend. S. Acad. Sciences, Ser. C: Sciences Chim
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Couquelet, J.1
Boyer, J.B.2
Coquelet, J.3
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4
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57849110078
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acetoacetic ethyl ester in the presence of triethylamine, see: J. W. Cornforth, J. E. Hawes, German Patent DE 2336394, 1974;
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b) acetoacetic ethyl ester in the presence of triethylamine, see: J. W. Cornforth, J. E. Hawes, German Patent DE 2336394, 1974;
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5
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27544468542
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for hydroxymethylation of 2-oxocyclohexane- and 2- oxocyclopentanecarboxylic acid esters in the presence of
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c) for hydroxymethylation of 2-oxocyclohexane- and 2- oxocyclopentanecarboxylic acid esters in the presence of CaO, see: H. Gerdes, H. Marschall, P. Weyerstahl, Chem. Ber. 1975, 108, 3448-3460;
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(1975)
Chem. Ber
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CaO1
see2
Gerdes, H.3
Marschall, H.4
Weyerstahl, P.5
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6
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57849083673
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for hydroxymethylation of 2.4-pentanedione in the presence of KOH, see: J. J. Gyuran, European Patent EP 350320, 1990;
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d) for hydroxymethylation of 2.4-pentanedione in the presence of KOH, see: J. J. Gyuran, European Patent EP 350320, 1990;
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7
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0030829742
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for hydroxymethylation of malonates, see
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e) for hydroxymethylation of malonates, see: A. Guzaev, H. Lönnberg, Synthesis 1997, 1281-1284;
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(1997)
Synthesis
, pp. 1281-1284
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Guzaev, A.1
Lönnberg, H.2
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8
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0032565996
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for hydroxymethylation of a-methyl-substituted acetoacetic ethyl ester, see
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f) for hydroxymethylation of a-methyl-substituted acetoacetic ethyl ester, see: T. Akeboshi, Y. Ohtsuka, T. Sugai, H. Ohta, Tetrahedron 1998, 54, 7387-7394;
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(1998)
Tetrahedron
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Akeboshi, T.1
Ohtsuka, Y.2
Sugai, T.3
Ohta, H.4
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9
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34247228673
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for iron-catalyzed hydroxymethylation, see
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g) for iron-catalyzed hydroxymethylation, see C. Ogawa, S. Kobayashi, Chem. Lett. 2007, 36, 56-57.
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(2007)
Chem. Lett
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Ogawa, C.1
Kobayashi, S.2
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10
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0026354213
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a) Y. Tsuda, A. Ishiura, S. Takamura, S. Hosoi, K. Isobe, K. Mohri, Chem. Pharm. Bull. 1991, 39, 2797-2802;
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Chem. Pharm. Bull
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Tsuda, Y.1
Ishiura, A.2
Takamura, S.3
Hosoi, S.4
Isobe, K.5
Mohri, K.6
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13
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34547210299
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I. Fukuchi, Y. Hamashima, M. Sodeoka, Adv. Synth. Catal. 2007, 349, 509-512.
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(2007)
Adv. Synth. Catal
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Fukuchi, I.1
Hamashima, Y.2
Sodeoka, M.3
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14
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37749043974
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For an aldol addition of aqueous formaldehyde with bicyclic β-keto ester, see
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For an aldol addition of aqueous formaldehyde with bicyclic β-keto ester, see: S. Shirakawa, S. Shimizu, Synlett 2007, 3160-3164.
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(2007)
Synlett
, pp. 3160-3164
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Shirakawa, S.1
Shimizu, S.2
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15
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2742554643
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L. Birkofer, A. Ritter, H. Vernaleken, Chem. Ber. 1966, 99, 2518-2520.
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Chem. Ber
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Birkofer, L.1
Ritter, A.2
Vernaleken, H.3
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21
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20944434191
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K. C. Nicolaou, T. Montagnon, G. Vassilikogiannakis, C. J. N. Mathison, J. Am. Chem. Soc. 2005, 127, 8872-8888.
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(2005)
J. Am. Chem. Soc
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Nicolaou, K.C.1
Montagnon, T.2
Vassilikogiannakis, G.3
Mathison, C.J.N.4
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23
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33845278511
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R. Antonioletti, F. Bonadies, A. Scettri, J. Org. Chem. 1988, 53, 5540-5542.
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(1988)
J. Org. Chem
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Antonioletti, R.1
Bonadies, F.2
Scettri, A.3
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24
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57849161638
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N. Umebayashi, Y Hamashima, D. Hashizume, M. Sodeoka, Angew. Chem. 2008, 120, 4264-4267;
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(2008)
Angew. Chem
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Umebayashi, N.1
Hamashima, Y.2
Hashizume, D.3
Sodeoka, M.4
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25
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53549115640
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Angew. Chem. Int. Ed. 2008, 47, 4196-4199.
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(2008)
Angew. Chem. Int. Ed
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27
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0010549679
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F. J. L. Aparicio, F. J. L. Herrera, J. S. Ballesteros, Carbohydr. Res. 1979, 69, 55-10.
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Carbohydr. Res
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Aparicio, F.J.L.1
Herrera, F.J.L.2
Ballesteros, J.S.3
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29
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0037421051
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We call this reaction unexpected because this exceptional behaviour of activated aldehydes was not predictable; see also: S. Shirakawa, K. Maruoka, Tetrahedron Lett. 2003, 44, 281-284.
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We call this reaction "unexpected" because this exceptional behaviour of activated aldehydes was not predictable; see also: S. Shirakawa, K. Maruoka, Tetrahedron Lett. 2003, 44, 281-284.
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30
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57849084990
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2,2-Dimethoxyacetaldehyde 1b (60%) and chloroacetaldehyde 1c (50%) were deployed as aqueous solutions, (R)- and (S)-menthyl glyoxylates 1f and 1g were used as monohydrates, whereas ethyl glyoxalate 1a was applied as a solution in toluene (50%).
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2,2-Dimethoxyacetaldehyde 1b (60%) and chloroacetaldehyde 1c (50%) were deployed as aqueous solutions, (R)- and (S)-menthyl glyoxylates 1f and 1g were used as monohydrates, whereas ethyl glyoxalate 1a was applied as a solution in toluene (50%).
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31
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0033582692
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C. Mottet, O. Hamelin, G. Garavel, J.-P. Deprés, A. E. Greene, J. Org. Chem. 1999, 64, 1380-1382.
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(1999)
J. Org. Chem
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Mottet, C.1
Hamelin, O.2
Garavel, G.3
Deprés, J.-P.4
Greene, A.E.5
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32
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57849113698
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This stereochemical result was not described in ref.[17
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[17]
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