22 research outputs found
The isolation, structure and fragmentation characteristics of natural truxillic and truxinic acid derivatives in Abrus mollis leaves
No full textYuan, Xujiang, Liu, Yadi, Zhao, Huan, Men, Lijiao, He, Cuimin, Qiu, Yu, Yu, Qiangqiang, Li, Kunping, Qi, Longkai, Chen, Diling (2021): The isolation, structure and fragmentation characteristics of natural truxillic and truxinic acid derivatives in Abrus mollis leaves. Phytochemistry (112572) 181: 1-10, DOI: 10.1016/j.phytochem.2020.112572, URL: http://dx.doi.org/10.1016/j.phytochem.2020.11257
Fig. 1. Chemical structures for compounds 1–10 in The isolation, structure and fragmentation characteristics of natural truxillic and truxinic acid derivatives in Abrus mollis leaves
No full textFig. 1. Chemical structures for compounds 1–10.Published as part of Yuan, Xujiang, Liu, Yadi, Zhao, Huan, Men, Lijiao, He, Cuimin, Qiu, Yu, Yu, Qiangqiang, Li, Kunping, Qi, Longkai & Chen, Diling, 2021, The isolation, structure and fragmentation characteristics of natural truxillic and truxinic acid derivatives in Abrus mollis leaves, pp. 1-10 in Phytochemistry (112572) 181 on page 2, DOI: 10.1016/j.phytochem.2020.112572, http://zenodo.org/record/829114
Fig. 6 in The isolation, structure and fragmentation characteristics of natural truxillic and truxinic acid derivatives in Abrus mollis leaves
No full textFig. 6. The CD spectra of compounds 1–8.Published as part of Yuan, Xujiang, Liu, Yadi, Zhao, Huan, Men, Lijiao, He, Cuimin, Qiu, Yu, Yu, Qiangqiang, Li, Kunping, Qi, Longkai & Chen, Diling, 2021, The isolation, structure and fragmentation characteristics of natural truxillic and truxinic acid derivatives in Abrus mollis leaves, pp. 1-10 in Phytochemistry (112572) 181 on page 8, DOI: 10.1016/j.phytochem.2020.112572, http://zenodo.org/record/829114
Fig. 3 in The isolation, structure and fragmentation characteristics of natural truxillic and truxinic acid derivatives in Abrus mollis leaves
No full textFig. 3. Key COSY, HMBC and selected observed ROE correlations of compounds 1–5 and 8.Published as part of Yuan, Xujiang, Liu, Yadi, Zhao, Huan, Men, Lijiao, He, Cuimin, Qiu, Yu, Yu, Qiangqiang, Li, Kunping, Qi, Longkai & Chen, Diling, 2021, The isolation, structure and fragmentation characteristics of natural truxillic and truxinic acid derivatives in Abrus mollis leaves, pp. 1-10 in Phytochemistry (112572) 181 on page 4, DOI: 10.1016/j.phytochem.2020.112572, http://zenodo.org/record/829114
Fig. 5 in The isolation, structure and fragmentation characteristics of natural truxillic and truxinic acid derivatives in Abrus mollis leaves
No full textFig. 5. Plausible MS/MS fragment ion structures of truxinate forms (2–4, 8) during the fragmentation process in the positive and negative ion mode. It showed that the main fragmentation pattern of truxinate configurations was complex and asymmetrical.Published as part of Yuan, Xujiang, Liu, Yadi, Zhao, Huan, Men, Lijiao, He, Cuimin, Qiu, Yu, Yu, Qiangqiang, Li, Kunping, Qi, Longkai & Chen, Diling, 2021, The isolation, structure and fragmentation characteristics of natural truxillic and truxinic acid derivatives in Abrus mollis leaves, pp. 1-10 in Phytochemistry (112572) 181 on page 7, DOI: 10.1016/j.phytochem.2020.112572, http://zenodo.org/record/829114
Fig. 4 in The isolation, structure and fragmentation characteristics of natural truxillic and truxinic acid derivatives in Abrus mollis leaves
No full textFig. 4. Plausible MS/MS fragment ion structures of truxillate forms (1, 5–7) and their precursors (9, 10) during the fragmentation process in negative and positive ion mode. It showed that the main fragmentation pattern of truxillate configurations was symmetric dissociation.Published as part of Yuan, Xujiang, Liu, Yadi, Zhao, Huan, Men, Lijiao, He, Cuimin, Qiu, Yu, Yu, Qiangqiang, Li, Kunping, Qi, Longkai & Chen, Diling, 2021, The isolation, structure and fragmentation characteristics of natural truxillic and truxinic acid derivatives in Abrus mollis leaves, pp. 1-10 in Phytochemistry (112572) 181 on page 6, DOI: 10.1016/j.phytochem.2020.112572, http://zenodo.org/record/829114
Fig. 2. X in The isolation, structure and fragmentation characteristics of natural truxillic and truxinic acid derivatives in Abrus mollis leaves
No full textFig. 2. X-ray structure of compound 1, the displacement ellipsoids are drawn at the 50% probability level. Another molecular compound 1, H2O molecules, CO molecule and Ca atoms are not shown. H atoms are shown as small spheres of arbitrary radii.Published as part of Yuan, Xujiang, Liu, Yadi, Zhao, Huan, Men, Lijiao, He, Cuimin, Qiu, Yu, Yu, Qiangqiang, Li, Kunping, Qi, Longkai & Chen, Diling, 2021, The isolation, structure and fragmentation characteristics of natural truxillic and truxinic acid derivatives in Abrus mollis leaves, pp. 1-10 in Phytochemistry (112572) 181 on page 2, DOI: 10.1016/j.phytochem.2020.112572, http://zenodo.org/record/829114
Ownership, institutions, and capital structure: Evidence from China
No full textLi, Kai, Yue, Heng, and Zhao, Longkai-Ownership, institutions, and capital structure: Evidence from China We employ a unique data set to explore the role of ownership structure and institutional development in debt financing of non-publicly traded Chinese firms. We show that state ownership is positively associated with leverage and firms' access to long-term debt, while foreign ownership is negatively associated with all measures of leverage. Surprisingly, firms in better developed regions are associated with reduced access to long-term debt, Suggesting the availability of alternative financing channels and the tightening of the lending standards under the on-going banking reform. The combination of ownership structures and institutions explains up to 6% of the total variation in firms' leverage decisions, while firm characteristics alone explain no more than 8% of the variation. Further, we show that non-state-owned firms tend to have lower total and short-term debt than their state-owned counterparts in less developed regions. Finally, we show that state-owned firms' easy access to long-term debt is positively associated with long-term investment and negatively associated with firm performance. Journal of Comparative Economics 37 (3) (2009) 471-490. Sauder School of Business, University of British Columbia, 2053 Main Mall, Vancouver, Canada BC V6T IZ2; Guanghua School of Management, Peking University, Beijing 100871, PR China. (C) 2009 Association for Comparative Economic Studies. Published by Elsevier Inc. All rights reserved.http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000271113300009&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=8e1609b174ce4e31116a60747a720701EconomicsSSCI59ARTICLE3471-4903
A re-examination of China's share issue privatization
No full textPrevious studies show that in contrast to evidence that share issue privatization (SIP) in most other countries have improved firm profitability, China's SIP of the 1990s had no such effect. We argue that the main reason for the failure of China's SIP is likely to have been the weak institutional environment in place at that time. We examine China's SIP in a more recent period in which the institutional environment was greatly improved. Using a matching sample method, we find that SIP firms continued to experience negative post-SIP profitability changes in our sample period. However, their performance decline was significantly less than that of their matched non-SIP SOEs. We also find that the introduction of the independent director rule helped to improve firm performance. Our results reconcile the findings of the SIP effect in China with international evidence and illustrate the importance of a developed capital market to ensuring the success of privatization schemes. (c) 2009 Elsevier B.V. All rights reserved.http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000271166000015&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=8e1609b174ce4e31116a60747a720701Business, FinanceEconomicsSSCI16ARTICLE122322-23323
Speculation Spillovers
No full textThis paper demonstrates that speculative activities can be contagious and spill over across markets. Specifically, we test the hypothesis that during China's warrants bubble period, speculative activities in the warrants market grabbed investors' attention and caused them to trade more speculatively in the underlying stocks. Consistent with this hypothesis, we find that turnover and return volatility of the underlying stocks are positively associated with the warrants' unexpected turnover and price deviation from their fundamental values during the previous day, controlling for information-driven trading and hedging motives, and that such a spillover effect is more pronounced when warrants attract more investor attention.ManagementOperations Research & Management ScienceSCI(E)[email protected]; [email protected]; [email protected]
