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Pioneering work on catalytic asymmetric cyanation of isoquinolines: Funabashi, K.; Ratni, H.; Kanai, M.; Shibasaki, M. J. Am. Chem. Soc. 2001, 123, 10784-10785.
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For selected examples
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For selected examples: (a) Murahashi, S.-I.; Imada, Y.; Kawakami, T.; Harada, K.; Yonemushi, Y.; Tomita, N. J. Am. Chem. Soc. 2002, 124, 2888-2889.
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(d) Frisch, K.; Landa, A.; Saaby, S.; Jørgensen, K. A. Angew. Chem., Int. Ed. 2005, 44, 6058-6063.
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(a) Hamashima, Y.; Sasamoto, N.; Hotta, D.; Somei, H.; Umebayashi, N.; Sodeoka, M. Angew. Chem., Int. Ed. 2005, 44, 1525-1529.
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Sodeoka, M.6
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20
-
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33646511310
-
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and references therein
-
Recently, the use of active methylene compounds in the catalytic asymmetric Mannich-type reaction has attracted much attention. (a) Song, J.; Wang, Y.; Deng, L. J. Am. Chem. Soc. 2006, 128, 6048-6049 and references therein.
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23
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33750456863
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note
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Reactions of dimethyl and dibenzyl malonates with 2a under the same reaction conditions gave the products with 29 and 37% ee, respectively.
-
-
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24
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0032579176
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(a) Morimoto, T.; Suzuki, N.; Achiwa, K. Tetrahedron: Asymmetry 1998, 9, 183-187.
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Morimoto, T.1
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(b) Pedrosa, R.; Andres, C.; Iglesias, J. M. J. Org. Chem. 2001, 66, 243-250.
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Pedrosa, R.1
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14644386912
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For a review on calycotomine: (c) Kaufman, T. S. Synthesis 2005, 339-360.
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Kaufman, T.S.1
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2O is known. Ouchi, H.; Saito, Y.; Yamamoto, Y.; Takahata, H. Org. Lett. 2002, 4, 585-587.
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Ouchi, H.1
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28
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0037156390
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The asymmetric addition reaction of malonates to cyclic N,O-acetals was reported. Onomura, O.; Kanda, Y.; Nakamura, Y.; Maki, T.; Matsumura, Y. Tetrahedron Lett. 2002, 43, 3229-3231.
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Onomura, O.1
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Matsumura, Y.5
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29
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33750459598
-
-
note
-
In contrast, most reported reactions require low reaction temperature (-78 to -40 °C). See refs 6, 8, and 11.
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