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1
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33748715629
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[1a] K. Mori, T. Takigawa, T. Masuo, Tetrahedron 1979, 35, 993-940.
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(1979)
Tetrahedron
, vol.35
, pp. 993-1940
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Mori, K.1
Takigawa, T.2
Masuo, T.3
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2
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0000749329
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[1b] S. Saito, T. Hasegawa, M. Inaba, R. Nishida, T. Fujii, S. Nomizu, T. Moriwaki, Chem. Lett. 1984, 1389-1392.
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(1984)
Chem. Lett.
, pp. 1389-1392
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Saito, S.1
Hasegawa, T.2
Inaba, M.3
Nishida, R.4
Fujii, T.5
Nomizu, S.6
Moriwaki, T.7
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4
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0000402818
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[1d] S. Henrot, M. Larchevêque, Y. Petit, Synth. Commun. 1986, 16, 183-190.
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(1986)
Synth. Commun.
, vol.16
, pp. 183-190
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Henrot, S.1
Larchevêque, M.2
Petit, Y.3
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5
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0000030555
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[2a] V. K. Tandon, A. M. Leusen, H. Wynberg, J. Org. Chem. 1983, 48, 2767-2769.
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(1983)
J. Org. Chem.
, vol.48
, pp. 2767-2769
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Tandon, V.K.1
Leusen, A.M.2
Wynberg, H.3
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8
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25544451432
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(Vertex Pharmaceutical Inc.), WO 9405639, 1994
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An example of available material: a component of the HIV aspartyl protease inhibitor KVX-478: R. D. Tung, M. A. Murcko, G. R. Bhisetti (Vertex Pharmaceutical Inc.), WO 9405639, 1994 [Chem. Abstr. 1995, 122, P81141j].
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(1995)
Chem. Abstr.
, vol.122
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Tung, R.D.1
Murcko, M.A.2
Bhisetti, G.R.3
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9
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0023897616
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M. Kitamura, T. Ohkuma, H. Takaya, R. Noyori, Tetrahedron Lett. 1988, 29, 1555-1556.
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(1988)
Tetrahedron Lett.
, vol.29
, pp. 1555-1556
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Kitamura, M.1
Ohkuma, T.2
Takaya, H.3
Noyori, R.4
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10
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37049095109
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T. Ikariya, Y. Ishii, H. Kawano, T. Arai, M. Saburi, S. Yoshikawa, S. Akutagawa, J. Chem. Soc., Chem. Commun. 1985, 922-924; [p-toryl-BINAP = 2,2'-bis(di-p-tolylphosphanyl)-1,1′-binaphthyl].
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(1985)
J. Chem. Soc., Chem. Commun.
, pp. 922-924
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Ikariya, T.1
Ishii, Y.2
Kawano, H.3
Arai, T.4
Saburi, M.5
Yoshikawa, S.6
Akutagawa, S.7
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11
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33748736958
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+ - 18] was recorded in the GC-MS. (The author intends to prepare the acid 6 by an independent route for comparison)
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+ - 18] was recorded in the GC-MS. (The author intends to prepare the acid 6 by an independent route for comparison).
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12
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33748716963
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The proportion of 8 was determined to be 15% by GC and the structure was identified by comparison with an authentic sample purchased from the Aldrich Chemical Co.
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The proportion of 8 was determined to be 15% by GC and the structure was identified by comparison with an authentic sample purchased from the Aldrich Chemical Co.
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13
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33748724398
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note
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r = 35.3 and 37.4 min, in a ratio of 2.8 : 97.2, assignable to the (R,R)- and (R,S)-diastereomer, respectively.
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14
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0141696166
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With regard to the synthesis of α-butyrolactone, acid cyclizations after basic hydrolysis of esters are known; for example, F. F. Blicke, Jr. W. B. Wright, M. F. Zienty, J. Am. Chem. Soc. 1941, 63, 2488-2490.
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(1941)
J. Am. Chem. Soc.
, vol.63
, pp. 2488-2490
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Blicke Jr., F.F.1
Wright, W.B.2
Zienty, M.F.3
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