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1242268678
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Unpublished results
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Hunt, J. Unpublished results.
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Hunt, J.1
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26
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1242336213
-
-
note
-
Compound 1 has a reported decomposition onset temperature of 90-110 °C with an energy of 2308 J/g; see ref 1. Subsequent studies in our laboratories confirmed these results, although a lower energy of decomposition was observed: 1269 J/g, onset 105 °C.
-
-
-
-
27
-
-
1242336214
-
-
note
-
50 = 30 mg/kg.
-
-
-
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29
-
-
1242291267
-
-
note
-
We have adopted the annotation of Friestad for the compounds in Figure 1; see ref 2.
-
-
-
-
31
-
-
1242268680
-
-
note
-
2 has given similar results as 1.
-
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-
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32
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1242336211
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36
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38
-
-
1242336217
-
-
note
-
Aminopyrrole 3d had significant water solubility contributing to the poor isolated yield due to losses on workup.
-
-
-
-
39
-
-
1242336219
-
-
note
-
a of 2a was determined to be 8.7 ± 0.2 using the spectrophotometric titration method.
-
-
-
-
40
-
-
1242268684
-
-
note
-
Aminoindoles 3i and 31 were noticeably less stable than aminoindoles containing electron-withdrawing groups. Extended reaction times were accompanied with significant degradation of product. This was also observed upon aqueous workup and careful attention was made to exclude oxygen from the workup process.
-
-
-
-
41
-
-
1242336212
-
-
note
-
2Cl in solution was determined by iodometric titration.
-
-
-
-
42
-
-
1242268682
-
-
note
-
Water content was determined using a Karl Fischer titration instrument.
-
-
-
-
43
-
-
1242268683
-
-
note
-
4Cl; see ref 16a.
-
-
-
-
44
-
-
0016152978
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(a) 2a: Suzuki, M.; Miyoshi, M.; Matsumoto, K. J. Org. Chem. 1974, 39, 1980.
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(c) 2c: Uno, H.; Tanaka, M.; Inoue, T.; Ono, N. Synthesis 1999, 3, 471.
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Uno, H.1
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47
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1242291266
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-
2d: see ref 3i
-
(d) 2d: see ref 3i.
-
-
-
-
48
-
-
1242336210
-
-
(e) 2e: prepared by EDCI/HOBt-mediated coupling of n-propylamine with 3-methylpyrrole-2,4-dicarboxylic acid-4-ethyl ester. See: Corwin, A. H.; Viohl, P. J. Am. Chem. Soc. 1944, 66, 1137.
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49
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0037009256
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Patil-Koota, V.12
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McIntyre, K.W.15
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