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0005224684
-
-
note
-
All attempts to debenzylate the phenol 5f failed, necessitating the use of a new protecting group that could be easily removed following the methylation step. The benzyl ether as well as the MOM ether were also carried through the reaction sequence to give two additional ortho-alkyloxy iodine(III) compounds 1f and 1j.
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28
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0000496038
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29
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-
0005126808
-
-
note
-
Reactions of iodine(III) tosylates have typically been found to afford 70-85% yields of the desired products when performed on a large scale. Reactions using compounds 1 were performed on an analytical scale and were only analyzed by chiral HPLC.
-
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31
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0030728369
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33
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0000748991
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V. V. Zhdankin, R. M. Arbit, B. J. Lynch, P. Kiprof, J. Org. Chem. 1998, 63, 6590-6596.
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0001041122
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37
-
-
0005216764
-
-
note
-
We also tested the HF/LANL2DZ method, but found that it gave results in poorer agreement with the experimental structure of 11.
-
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38
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16444375810
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B. G. Johnson, P. M. W. Gill, J. A. Pople, J. Chem. Phys. 1993, 95, 5612-5626.
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0004133516
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M. J. Frisch, G. W. Trucks, H. B. Schlegel, G. E. Scuseria, M. A. Robb, J. R. Cheeseman, V. G. Zakrzewski, J. A. Montgomery, Jr., R. E. Stratmann, J. C. Burant, S. Dapprich, J. M. Millam, A. D. Daniels, K. N. Kudin, M. C. Strain, O. Farkas, J. Tomasi, V. Barone, M. Cossi, R. Cammi, B. Mennucci, C. Pomelli, C. Adamo, S. Clifford, J. Ochterski, G. A. Petersson, P. Y. Ayala, Q. Cui, K. Morokuma, D. K. Malick, A. D. Rabuck, K. Raghavachari, J. B. Foresman, J. Cioslowski, J. V. Ortiz, B. B. Stefanov, G. Liu, A. Liashenko, P. Piskorz, I. Komaromi, R. Gomperts, R. L. Martin, D. J. Fox, T. Keith, M. A. Al-Laham, C. Y. Peng, A. Nanayakkara, C. Gonzalez, M. Challacombe, P. M. W. Gill, B. Johnson, W. Chen, M. W. Wong, J. L. Andres, C. Gonzalez, M. Head-Gordon, E. S. Replogle, J. A. Pople, Gaussian 98, Revision A.5, Gaussian, Inc., Pittsburgh, PA, 1998.
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Frisch, M.J.1
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Stratmann, R.E.9
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Dapprich, S.11
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Strain, M.C.15
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Cui, Q.28
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Foresman, J.B.33
Cioslowski, J.34
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Peng, C.Y.46
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Johnson, B.51
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Wong, M.W.53
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Gonzalez, C.55
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Replogle, E.S.57
Pople, J.A.58
more..
-
42
-
-
0005126567
-
-
note
-
The enantiomeric excess was determined by HPLC: Chiralcel OD, 2-propanol/hexane (5:95), 220 nm.
-
-
-
-
43
-
-
0001281756
-
-
The absolute configuration of 4a was determined by dehalogenation and comparison of the optical rotation of the product with that of the known dehalogenated compound: K. Nakamura, M. Kawasaki, A. Ohno, Bull. Chem. Soc. Jpn. 1996, 69, 1079-1085.
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(1996)
Bull. Chem. Soc. Jpn.
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-
Nakamura, K.1
Kawasaki, M.2
Ohno, A.3
-
44
-
-
0005162399
-
-
note
-
The enantiomeric excess was determined by HPLC: Chiralcel OD, 2-propanol/hexane (1:19), 220 nm.
-
-
-
-
45
-
-
0005172379
-
-
note
-
The enantiomeric excess was determined by HPLC: Chiralcel OD, 2-propanol/hexane (3:97), 254 nm.
-
-
-
-
46
-
-
0005223816
-
-
note
-
The enantiomeric excess was determined by HPLC: Chiralcel OD, 2-propanol/hexane (10:90), 220 nm.
-
-
-
-
47
-
-
0001273411
-
-
A. Sogawa, M. Tsukayama, H. Nozaki, M. Nakayama, Heterocycles 1996, 43, 101-111.
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(1996)
Heterocycles
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Sogawa, A.1
Tsukayama, M.2
Nozaki, H.3
Nakayama, M.4
-
49
-
-
0005162750
-
-
note
-
The absolute configuration of 1-(1-iodonaphthalen-2-yl)-ethanol was determined by dehalogenation and comparison of the optical rotation of the product with that of the commercially available dehalogenated compound. The enantiomeric excess was determined by HPLC: Chiralcel OD, 2-propanol/hexane (10:90), 220 nm.
-
-
-
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