Nishiwaki

A book (B-71MS) and a review by Nishiwaki (74H(2)473) contain much information about the behaviour of pyrazoles under electron impact. The Nishiwaki review covers mainly the hydrogen scramblings and the skeletal rearrangements which occur. One of the first conclusions reached was that pyrazoles, due to their aromatic character, are extremely stable under electron impact (67ZOR1540). In the dissociative ionization of pyrazole itself, the molecular ion contributes about 45% to the total ion current thus, the molecular ion is the most intense ion in the spectrum. 

Monkawa, T, Nishiwaki, T, Nakamura, K, Kobayashi, Y Chem Pharm Bull 1989,57 813... 

NiShiwaki, N, H P Wang, K Matsuno, Y Tobda, and M Ariga 7 Chem Soc, Rerktii Leans 1. 

Nishiwaki N, Knudsen KR, Gothelf KV, j0rgensen KA (2001) Angew Chem Int Ed Engl 40 2992... 

FUJIKI H, YOSHIZAWA S, HORIUCHI T, SUGANUMA M, YATSUNAMI J, NISHIWAKI S, OKABE S, NISHIWAKI-MATSUSHIMA R, OKUDA T and suGiMURA T (1992) Anticarcinogenic effects of (-)-epigallo-catechin gallate , Prev Med, 21, 503-9. 

Nishino H (2006) Manganese(III)-Based Peroxidation of Alkenes to Heterocycles. 6 39-76 Nishiwaki N, Ariga M (2007) Ring Transformation of Nitropyrimidinone Leading to Versatile Azaheterocyclic Compounds. 8 43-72... 

Quaternary sulfur deposits are distributed along the present volcanic front. Intersections of transverse faults proposed by Carr et al. (1973) and the present volcanic front coincide with the locations of clusters of the sulfur deposits (Nishiwaki and Yasui, 1974). 

Several sub-classification.s of epithermal preciou.s-metal deposits have been proposed mineralogy, host-rock composition and elemental association (Lindgren, 1928), gold-silver ratios of metal weights (Ferguson, 1929 Nolan, 1933), mineral paragenesis (Nishiwaki et al., 1971), and production ratios of metals (Heald-Wetlaufer et al., 1983). 

Nishiwaki, C. and Yasui, T. (1974) Submarine mineral resources and plate tectonics. Kagaku (Science), 44, 247-255 (in Japanese). 

Nishiwaki, C., Matsukuma, T. and Urashima, Y. (1971) Neogene gold-silver ores in Japan. Mining Geology Special Issue, The Society of Mining Geologists of Japan, 3, 409-417. 

Uyeda, S. and Nishiwaki, C. (1980) Stress field, metallogenesis, and mode of subduction. Geol. Soc. Canada, Special Paper, 20, 323-339. 

Takeuchi, K., Nishiwaki, H., Niida, H., Ueshima, K. and Okabe, S. (1991b). Duodenal ulcers induced by diethyl-dithiocarbamate, a superoxide dismutase inhibitor, in the rat role of antioxidative system in the pathogenesis. Jpn. J. Pharmacol. 57, 299-310. 

T. Kakutani, Y. Nishiwaki, and M. Senda. Bunseki Kagaku 33 E175 (1984). 

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