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1. Alcohols and amines are both nucleophilic. Explain why this reaction occurs to form Benadryl (diphenhydramine)
2. Outline a reasonable synthesis of the following:
3. Complete the short synthesis below by providing the necessary reagents.
4. An SN2 reaction is characterized by inversion of configuration. Propose a sequence that would allow the preparation of the nitrile derivative B from bromide A. Note that there is no change in the overall stereochemistry of the product. More than one step may be required to complete the sequence.
5. Provide structures for compounds A-E, which are formed in the following reactions. Pay attention to stereochemistry where appropriate.
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Why NH4Cl and NH4OH are added to the test solution?
C3N4
What is hydrometallurgy
Neoprene (GR: or Polychloroprene or Dupe) Preparation: Neoprene is prepared by the free radical polymerisation of chloroprene in an emulsion system. Starting materials are ac
Q. How can we obtain Pure alumina? Pure alumina is obtained from bauxite ore. Powdered bauxite mineral is heated in a concentrated solution of sodium hydroxide under pressure w
how can i specify R and S centers in spiro compounds ?
Time taken for an electron to complete one revolution in the Bohr orbit of hydrogen atom is: (1) 4 Π mr 2 / nh (2) nh/ 4Π 2 mr (3) nh/ 4Π 2 mr 2
Drying of Organic Substances- purification of organic compounds Several solids are dried first by pressing them gently in between folds of filter papers. Compounds that neither
Q. Objectives of transition elements of the f-block? After studying this unit you should be able to: distinguish between transition and inner-transition elements, d
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