Chemical Page 2

1 H –NMR spectrum of β - Sitosterol

1 H-NMR spectrum of compound PT1 (156 mg) measured in CDCl 3 HSQC spectrum of compound PT1 (156 mg) measured in CDCl 3 COSY-NMR spectrum of compound PT1 (156 mg) measured in CDCl 3 HR-FAB-MS [M] + spectrum of compound PT1 (156 mg) APPENDIX 4.2 NMR AND MS SPECTRUM DATA OF COMPOUND PT2

INDEX INTRODUCTION 1 Chapter 1. OVERVIEW 3 1.1. Plant description 3 1.2. Some uses of the genus Cratoxylum 4 1.3. Status of phytochemical research on genus Cratoxylum 7 1.3.1. Compounds with triterpene framework 7 1.3.2. Organic acids 8 1.3.3. Substances with xanthone framework 9 1.3.4. Some ...

157. Michael T, Yoh Z, Yeh M. M (2018). Tumors of the Liver AFIP Atlas of Tumor Pathology , American Registry of Pathology, 158. Brent K. Larson et al (2017). A Limited Immunohistochemical Panel Can Subtype Hepatocellular Adenomas for Routine Practice. American Journal of Clinical Pathology , 147 ...

97. Does the company have a purchasing department that is independent of the supply department, accounting department and warehouse department? 28/30 2/30 Yes No Not applicable C2. Sales control and collection 28/30 2/30 98. Does the company have a product consumption process? Yes No Not applicable ...

LIST OF TABLES Table 1.1. Species composition and distribution of genus Sanchezia 4 Table 1. 2. Published chemical compositions of Sanchezia genus in the world and Vietnam.16 Table 2. 1. Dose levels for testing biological effects of total extract and fractions 40 Benzene leaves Table 3.1. 1H and ...

1 H-NMR spectrum of compound PT2 (50 mg) measured in CDCl 3 13 C-NMR spectrum of compound PT2 (50 mg) measured in CDCl 3 DEPT-NMR spectrum of compound PT2 (50 mg) measured in CDCl 3 HMBC-NMR spectrum of compound PT2 (50 mg) measured in CDCl 3 HSQC-NMR spectrum of compound PT2 (50 mg) measured in ...

This shows the disadvantages of the process when there is excess iron. High concentrations of Fe 2+ or Fe 3+ lead to the formation of iron precipitates at higher pH values ​​(pH > 2.5) and reduce the current efficiency. Besides, in 2006, Deng and colleagues reported that increasing Fe 2+ ion ...