The synthesis process of isobutyl benzene from benzene is given below. The synthetic scheme is also...
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The synthesis process of isobutyl benzene from benzene is given below. The synthetic scheme is also shown below. Answer the questions accordingly. First, a Friedel-Crafts acylation functionalizes benzene with an isobutyryl moiety (1). This substituent is reduced to an isobutyl group through a Clementson reduction, yielding isobutyl benzene (2) Zn(Hg) HCI AICI, (1) Isobutylbenzene (2) (a) Outline the mechanism for the conversion Benzene to structure (1). (5 marks) (b) Give the products formed when structure (1) reacts with LIAIH4, CeHsMgBr/H2Oin a separate reaction. (4 marks) EKB1053(Chemical Engineering) SEPTEMBER 2018 4/5 CONFIDINTIAL (c) Explain the role of Zn (Hg) and HCI for the conversion of structure (1) to (2). (2 marks) The synthesis process of isobutyl benzene from benzene is given below. The synthetic scheme is also shown below. Answer the questions accordingly. First, a Friedel-Crafts acylation functionalizes benzene with an isobutyryl moiety (1). This substituent is reduced to an isobutyl group through a Clementson reduction, yielding isobutyl benzene (2) Zn(Hg) HCI AICI, (1) Isobutylbenzene (2) (a) Outline the mechanism for the conversion Benzene to structure (1). (5 marks) (b) Give the products formed when structure (1) reacts with LIAIH4, CeHsMgBr/H2Oin a separate reaction. (4 marks) EKB1053(Chemical Engineering) SEPTEMBER 2018 4/5 CONFIDINTIAL (c) Explain the role of Zn (Hg) and HCI for the conversion of structure (1) to (2). (2 marks)
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Related Book For
Organic Chemistry
ISBN: 978-1118133576
11th edition
Authors: Graham Solomons, Craig Fryhle, Scott Snyder
Posted Date:
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