-
9
-
-
0002042832
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-
(b) Gosselck, J.; Winkler, A. Tetrahedron Lett. 1970, 2433-2436, 2437-2440. For a review of the dianion applied to the synthesis of β-lactams, see: Bose, A. K.; Manhas, M. S.; Chatterjee, B. G.; Abdulla, R. F. Synth. Commun. 1971, I, 51-73. For a list of examples, see: Larock, R. C. In Comprehensive Organic Transformations; VCH: New York, 1989; pp. 81, 83-84, 772-773.
-
(1970)
Tetrahedron Lett.
, pp. 2433-2436
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-
Gosselck, J.1
Winkler, A.2
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10
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-
84963165831
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-
(b) Gosselck, J.; Winkler, A. Tetrahedron Lett. 1970, 2433-2436, 2437-2440. For a review of the dianion applied to the synthesis of β-lactams, see: Bose, A. K.; Manhas, M. S.; Chatterjee, B. G.; Abdulla, R. F. Synth. Commun. 1971, I, 51-73. For a list of examples, see: Larock, R. C. In Comprehensive Organic Transformations; VCH: New York, 1989; pp. 81, 83-84, 772-773.
-
(1971)
Synth. Commun.
, vol.1
, pp. 51-73
-
-
Bose, A.K.1
Manhas, M.S.2
Chatterjee, B.G.3
Abdulla, R.F.4
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11
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-
0003543593
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-
VCH: New York
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(b) Gosselck, J.; Winkler, A. Tetrahedron Lett. 1970, 2433-2436, 2437-2440. For a review of the dianion applied to the synthesis of β-lactams, see: Bose, A. K.; Manhas, M. S.; Chatterjee, B. G.; Abdulla, R. F. Synth. Commun. 1971, I, 51-73. For a list of examples, see: Larock, R. C. In Comprehensive Organic Transformations; VCH: New York, 1989; pp. 81, 83-84, 772-773.
-
(1989)
Comprehensive Organic Transformations
, pp. 81
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-
Larock, R.C.1
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12
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0032890262
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-
While this study was being carried out, an interesting reaction of anion of ethyl -(triphenylphosphoranylidene)acetoacetate was reported. See: Ceccarelli, S.; Piarulli, U.; Gennari, C. Tetrahedron Lett. 1999, 40, 153-156.
-
(1999)
Tetrahedron Lett.
, vol.40
, pp. 153-156
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-
Ceccarelli, S.1
Piarulli, U.2
Gennari, C.3
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13
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-
85038144892
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-
note
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2, rt (ca. 40% overall yield).
-
-
-
-
15
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-
0001109670
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-
The concentration of all the reactions in Table 1 was set to 0.1 M because the concentration of the reaction mixture also affects the ratio of 3U/3W. For the effect of the concentration on the ratio of 3U/3W, see: (a) Rhoads, S. J.; Holder, R. W. Tetrahedron 1969, 25, 5443-5450.
-
(1969)
Tetrahedron
, vol.25
, pp. 5443-5450
-
-
Rhoads, S.J.1
Holder, R.W.2
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16
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-
0002614369
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-
(b) Miller, B.; Margulies, H.; Drabb Jr., T.; Wayne, R. Tetrahedron Lett. 1970, 3805-3808.
-
(1970)
Tetrahedron Lett.
, pp. 3805-3808
-
-
Miller, B.1
Margulies, H.2
Drabb T., Jr.3
Wayne, R.4
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17
-
-
85038138880
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-
note
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4, concentrated and dried under vacuum. Purification by silica gel chromatography (hexane:EtOAc 2:1) afforded 19.3 mg (32%) of 4a and 31.3 mg (52%) of 5a.
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-
-
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21
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33746989277
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(c) McMurry, J. E.; Musser, J. H.; Ahmad, M. S.; Blaszczak, L. C. J. Org. Chem. 1975, 40, 1829-1832.
-
(1975)
J. Org. Chem.
, vol.40
, pp. 1829-1832
-
-
McMurry, J.E.1
Musser, J.H.2
Ahmad, M.S.3
Blaszczak, L.C.4
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22
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0018822199
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-
(d) Corey, E. J.; Tius, M. A.; Das, J. J. Am. Chem. Soc. 1980, 102, 1742-1744.
-
(1980)
J. Am. Chem. Soc.
, vol.102
, pp. 1742-1744
-
-
Corey, E.J.1
Tius, M.A.2
Das, J.3
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23
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0001768240
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(e) Burge, G. L.; Collins, D. J.; Reitze, J. D. Aust. J. Chem. 1982, 35, 1913-1925.
-
(1982)
Aust. J. Chem.
, vol.35
, pp. 1913-1925
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-
Burge, G.L.1
Collins, D.J.2
Reitze, J.D.3
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25
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0002534952
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(a) Miller, B.; Margulies, H.; Drabb Jr., T.; Wayne, R. Tetrahedron Lett. 1970, 43, 3801-3804.
-
(1970)
Tetrahedron Lett.
, vol.43
, pp. 3801-3804
-
-
Miller, B.1
Margulies, H.2
Drabb T., Jr.3
Wayne, R.4
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