Detail of "4971-18-0"

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2-Ethylcyclopentanone

560 Integral
560

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Address:231 Zhenzhong Road, Caodian Town, Baoying County, Yangzhou锛孞iangsu Province, China

610 Integral
610

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Address:beijing xueyuanlu 30

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Unexpected course of olefin loss from some alkylcyclopentanone ions: Unexpected course of olefin loss from some alkylcyclopentanone ions. Gaseous ion structure by ion cyclotron resonance spectrometry, mass-analyzed ion kinetic energy spectrometry and collision-induced dissociation. Hass, J. Ronald; Cooks, R. Graham; Elder, James F., Jr.; Bursey, Maurice M.; Kingston, David G. I. (Natl. Inst. Environ. Health Sci., Research Triangle Park, N. C., USA). Org. Mass Spectrom., 11(7), 697-711 (English) 1976. CODEN: ORMSBG. DOCUMENT TYPE: Journal CA Section: 22 (Physical Organic Chemistry) The title methods indicated that electron-impact-induced loss of alkene from 2-ethylcyclopentanone and its 5-propyl deriv. involved ring opening followed by H transfer to C in the alkene elimination step. The ions formed by single or double McLafferty rearrangement had neither enol nor keto structures. 120-92-3 and 4971-18-0 are just another two chemicals used in this study. Evidence for normal McLafferty rearrangement was obsd. only in metastable ion studies. .