Pat 1 Synthesis of 4-aryl-6-indolylpyridine-2-carbonitriles and evaluation of their biological activity Synthesis of 6-indolyl-4-aryl-3-cyanopyridine-2-one (1a-e) Employing the MCRs approach and microwave irradiation‚ an equimolar amounts of aromatic aldehyde‚ 3-acetylindole‚ ethyl cyanoacetate were reacted with excess of ammonium acetate in one-pot‚ reaction‚ under the microwave irradiation‚ afforded a novel series of 4-aryl-6-indolyl-nicotinonitrile-2-one derivatives 1a-e. Ethylene glycol was
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EDVAC Project origin and plan ENIAC inventors John Mauchly and J. Presper Eckert proposed the EDVAC’s construction in August 1944‚ and design work for the EDVAC commenced before the ENIAC was fully operational. The design would implement a number of important architectural and logical improvements conceived during the ENIAC’s construction and would incorporate a high speed serial access memory.[1] Like the ENIAC‚ the EDVAC was built for the U.S. Army’s Ballistics Research Laboratory at the Aberdeen
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Introduction to Maslow’s hierarchy of needs Each of us is motivated by needs. Our most basic needs are inborn‚ having evolved over tens of thousands of years. Abraham Maslow’s Hierarchy of Needs helps to explain how these needs motivate us all. Maslow’s Hierarchy of Needs states that we must satisfy each need in turn‚ starting with the first‚ which deals with the most obvious needs for survival itself. Only when the lower order needs of physical and emotional well-being are satisfied are we concerned
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Geometric Furniture is a design led manufacturer of high quality contract furniture. Established over 40 years ago‚ Geometric has become one of the UK’s leading contract furniture suppliers. It supplies to number of company like Odeon cinema‚ Costa Coffee‚ Oxo Tower‚ The Warehouse‚ Ronald Mc Donald house. The best thing about this company is that they deliver they service by themselves‚ inform their client beforehand about its features. Delivered the product on time without fail and do understand the important
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Chemicals SAMPLE NAME: Paracetamol Tablets ANALYSIS REQUIRED: Paracetamol CLAIM: Each tablet contains 500mg Paracetamol. THEORY: Paracetamol IUPAC Name: N-(4-hydroxyphenyl)ethanamide N-(4-hydroxyphenyl)acetamide Molecular Formula: C8H9NO2 Chemical Structure: Paracetamol INN or acetaminophen USAN is a widely used over-the-counter analgesic (pain reliever) and antipyretic (fever reducer). It is commonly used for the relief of headaches and other minor aches and pains and is a major ingredient in
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LEDs… Release only ONE color of light Produce very little heat What is an LED? They are semiconductor devices that can convert electrical energy directly into light due to the nature of the bonding that occurs in the semiconductor solid. Type of bonding is directly related to conductivity of solid. Bonding in Elemental Solids Electronegativity – the ability of an atom to attract electrons to itself. Atoms with low e.n. (metals) don’t hold valence electrons tightly valence
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Part 1: Defining Marketing and the Marketing Process (Chapters 1–2) Part 2: Understanding the Marketplace and Consumers (Chapters 3–6) Part 3: Designing a Customer-Driven Strategy and Mix (Chapters 7–17) Part 4: Extending Marketing (Chapters 18–20) 8 Products‚ Services‚ Building and Brands Customer Value After examining customerdriven marketing strategy‚ we now take a deeper look at the marketing mix: the tactical tools that marketers use to implement their strategies and deliver
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DESIGN OF THE QUESTION PAPER CHEMISTRY CLASS - XII Time : Three Hours Max. Marks : 70 The weightage of the distribution of marks over different dimensions of the question paper shall be as follows: A. Weightage to content/subject units Unit Title Marks 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. Solid state Solutions Electrochemistry Chemical Kinetics Surface Chemistry General principles and process of Isolation of elements p-Block Elements
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type AB and the other is type O‚ what fraction of their offspring will be blood type A? a. 0.25 b. 1.0 c. 0.5 d. 0.75 e. 0.0 9. Which of the following matings can produce a child with blood type AB? The letters refer to blood types (phenotypes). a. OxO b. AxB c. AxA d. OxA e. BxB 10. A woman with type O blood is expecting a child. Her husband is type A. Both the woman’s father and her
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as well as various ethylene oxide derivatives The company also offers various fertilizers and methanol products comprising urea‚ ammonia‚ methanol‚ carbon monoxide‚ oxo gas‚ acetic acid‚ nitrogen‚ phosphate‚ and compound fertilizers‚ as well as polymers. In addition‚ it provides various petrochemical products‚ such as acrylics‚ oxo-alcohols‚ butanediol‚ and styrene monomers. The company is based in Kuala Lumpur‚ Malaysia. Petronas Chemicals Group Berhad is a subsidiary of Petroliam Nasional Berhad
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