alkenes and alkanes is the acidity of the hydrogen bonded to a triply bonded carbon the pKa of acetylene is approximately 25‚ which makes it a stronger acid than ammonia but weaker than alcohols Acidity Acetylene reacts with sodium amide to form sodium acetylide – HC CH + pK a 25 S tronger acid NH2 S tronger base HC C- + Weaker base N H3 pK a 38 Weaker acid It can also be converted to its metal salt by reaction with sodium hydride or lithium diisopropylamide
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Part 1. Hydrocarbon Nomenclature From International Union of Pure and Applied Chemistry (IUPAC) General Form of IUPAC Nomenclature [branching substituent(s)] Root [Suffix] Rules: 1. Identify the longest continuous chain of carbon atoms. This chain determines the parent name (root) of the alkane. The parent suffix for alkanes is‚ not surprisingly‚ -ane. For chains of equal length‚ pick the one with the most substituents. (Note: I number all possibilities going from left to right
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Polymeric Biomaterials (Mingyu Li z3369978) The use of polymers in biomedical applications is now widely accepted and they are termed with the generic name of polymeric biomaterials. A biomaterial can be defined by their function as a material in contact with living tissue that used to the treatment of disease or injury‚ and to improve human health by restoring the function of tissue and organs in the body.x Polymeric biomaterials in medicine include surgical sutures‚ drug delivery vectors‚ orthopedic
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Spectra Analysis Organic Chemistry Lab‚ CHEM 369 The University of Tennessee‚ Knoxville Dr. Smith Spectra 1: tert-butyl cyanoacetate Molecular formula: 141/13 = 10 R 11 => C10H10+11 => C10H21 C10H21NO2 – C3H10 = C7H11NO2 DBE: 2(#C - #H/2 - #X/2 + #N + 2)/2 =2(7 – 11/2 – 0/2 + 1 + 2)/2 = 3=> 1 double bond and 1 triple bond Mass spectrum table: m/z fragment |40
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concluded. Through the analysis of IR spectrum of each unknown the structures for each unknowns were devised. An important peak for the solid unknown D was 1655.71 cm-1 (Ketone) and the peaks that were important for liquid unknown D were 1641.69 cm-1 (Amide)‚ 1126.43 cm-1 (C-N bond)‚ and 1384.20 cm-1 (C-N bond). Using the functional groups and the melting and boiling point of each unknown a list of possible identities was generated. The identity of unknown liquid D was 2‚6 dimethyl pyridine‚ and the identity
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2.4.General procedure for the synthesis of 2‚3-dihydriquinazolin-4(1H) ones derivatives: A stirred mixture of isatoic anhydride (1 mmol)‚ amines containing 2-aminobenzothiazole or 2-amino benzimidazole (1.1mmol)‚ aromatic aldehydes (1 mmol) and 0.045 g of H-ZSM-5 nanozeolite was reacted in an oil bath at 100 oC for the appropriated times. Completion of the reaction was indicated by TLC. After completion of reaction‚ the mixture was cooled to room temperature. The solid residue was dissolved in hot
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Methylprednisolone sodium succinate 1) Structure: 2) Name: Methylprednisolone sodium succinate 3) A-Methapred is a sterile powder used as an anti-inflammatory glucocorticoid‚ which contains methylprednisolone sodium succinate as the active ingredient. A-METHAPRED™ is available in several strengths and packages for intravenous or intramuscular administration. It is used as replacement therapy in adrenocortical deficiency states. Their synthetic analogs are primarily used for their anti-inflammatory
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seven carbon atoms‚ eight hydrogen atoms‚ four nitrogen atoms‚ and two oxygen atoms. Theobromine is very similar to caffeine but is ten times weaker. Caffeine has two more hydrogen atoms than theobromine. The structure of theobromine also contains two amide groups and three amine groups. Theobromine naturally occurs in cacao beans and is found in all chocolate products. It is what is toxic in chocolate to animals. Cardiac and central nervous system distress in dogs can be caused by 100-200 mg of
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Biochemistry Lecture Exam 1 Study Guide Chapter 1: Biochemistry: An Introduction I. Introduction a. Biochemistry: the study of molecules and chemical reactions of life b. Divided into 3 principal areas: 1. Structural chemistry of components of living matter & relationship of biological function to chemical structure 2. Metabolism – total chem reactions that occur in living matter; building & breaking down of molecules 3. Chemistry of processes & substances that store & transmit biological
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A carbohydrate is an organic compound that consists only of carbon‚ hydrogen‚ and oxygen‚ usually with a hydrogen:oxygen atom ratio of 2:1 (as in water); in other words‚ with the empirical formula Cm(H2O)n. The carbohydrates (saccharides) are divided into four chemical groupings: monosaccharides‚ disaccharides‚ oligosaccharides‚ and polysaccharides. In general‚ the monosaccharides and disaccharides‚ which are smaller (lower molecular weight) carbohydrates‚ are commonly referred to as sugars.
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