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1
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33646564160
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-
note
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20 have both been stated by others not to occur naturally.
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-
-
-
3
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0000923976
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Hirata, K.; Nakagami, H.; Takashina, J.; Mahmud, T.; Kobayashi, M.; In, Y.; Ishida, T.; Miyamoo, K. Heterocycles 1996, 43, 1513-1519.
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Hirata, K.1
Nakagami, H.2
Takashina, J.3
Mahmud, T.4
Kobayashi, M.5
In, Y.6
Ishida, T.7
Miyamoo, K.8
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4
-
-
0030792288
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Smirnov, V. V.; Kiprianova, E. A.; Garagulya, A. D.; Esipov, S. E.; Dovjenko, S. A. FEMS Microbiol. Lett. 1997, 153, 357-361.
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Smirnov, V.V.1
Kiprianova, E.A.2
Garagulya, A.D.3
Esipov, S.E.4
Dovjenko, S.A.5
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5
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0000176481
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Note, however, ref 5 therein
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Beak, P.; Bonham, J.; Lee, J. T., Jr. J. Am. Chem. Soc. 1968, 90, 1569-1582. Note, however, ref 5 therein.
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Beak, P.1
Bonham, J.2
Lee Jr., J.T.3
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6
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0000763959
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Smodič, J.; Zupet, R.; Petrič, A.; Stanovnik, B.; Tičler, M. Heterocycles 1990, 30, 393-405.
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Smodič, J.1
Zupet, R.2
Petrič, A.3
Stanovnik, B.4
Tičler, M.5
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7
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-
33646544147
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-
note
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Procedure adapted from the synthesis of 5-hydrazinocarbonyl-4,5-dihydro- 1,2,4-triazin-6(1H)-one reported in ref 6.
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-
-
-
11
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33646554284
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Coffey, S., Ed.; Elsevier: New York
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(a) Goldwhite, H. In Road's Chemistry of Carbon Compounds, 2nd ed.; Coffey, S., Ed.; Elsevier: New York, 1965: Vol. 1, p 151.
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Goldwhite, H.1
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12
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0010578203
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Sutherland, I. O., Ed.; Pergamon: Oxford
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(b) Atkinson, R. S. In Comprehensive Organic Chemistry, Sutherland, I. O., Ed.; Pergamon: Oxford. 1979; Vol. 2. p 219.
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Atkinson, R.S.1
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13
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-
37049095365
-
-
The structure of normethylpseudoiodinine was determined by X-ray crystallography, which is regarded as an absolute method, but the literature is replete with erroneous X-ray structures: See. for example: (a) Jones, P. G. Chem. Soc. Rev. 1984, 13, 157-172.
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Jones, P.G.1
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15
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0010915187
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(c) Marsh, R. E.; Kapon, M.; Hu, S.; Herbstein, F. H. Acta Crystallogr., Sect. B: Struct. Sci. 2002, B58, 62-77.
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Marsh, R.E.1
Kapon, M.2
Hu, S.3
Herbstein, F.H.4
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16
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-
15444378803
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(d) Nicolaou, K. C.; Snyder, S. A. Angew. Chem., Int. Ed. 2005, 44, 1012-1044.
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Nicolaou, K.C.1
Snyder, S.A.2
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17
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-
33646591329
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-
note
-
Hydrazine itself is symmetrical. In contrast to the situation with methylhydrazine, the reason for the Boc protection in the present case is to suppress reaction of hydrazine with two molecules of 8, which was a significant side reaction.
-
-
-
-
18
-
-
33646549052
-
-
note
-
Less than 1 equiv per cycle was used to suppress dimethylation.
-
-
-
-
19
-
-
33646584284
-
-
note
-
See Supporting Information.
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-
-
-
20
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0011991438
-
-
5 3-hydroxypyrazoles exist primarily as the hydroxy rather than oxo tautomer in nonpolar media: Katritzky, A. R.; Maine, F. W. Tetrahedron 1964, 20, 315-322.
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Tetrahedron
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Katritzky, A.R.1
Maine, F.W.2
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21
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0003873024
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Chemical Databases Online, welcome-main Web version 2004, Chapman & Hall/CRC Press
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Dictionary of Natural Products, Chemical Databases Online, http://www.chemnetbase.com/scripts/dnpweb.exe?welcome-main Web version 2004, Chapman & Hall/CRC Press.
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Dictionary of Natural Products
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22
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0033922275
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Schmitzer, R. R.; Graupner, P. R.; Chapin, E. L.; Fields, S. C.; Gilbert, J. R.; Gray, J. A.; Peacock, C. L.; Gerwick, C. J. Nat. Prod. 2000, 63, 777-781.
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Schmitzer, R.R.1
Graupner, P.R.2
Chapin, E.L.3
Fields, S.C.4
Gilbert, J.R.5
Gray, J.A.6
Peacock, C.L.7
Gerwick, C.8
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24
-
-
0001678426
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-
Katritzky, A. R., Rees, C. W., Scriven, E. F. V., Ramsden, C. A., Eds.; Pergamon: Oxford
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Knowles, P. In Comprehensive Heterocyclic Chemistry II; Katritzky, A. R., Rees, C. W., Scriven, E. F. V., Ramsden, C. A., Eds.; Pergamon: Oxford, 1996; Vol. 7, p 511.
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Knowles, P.1
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