15_C357_PPS_15_Alkynes_2007 - C357 PPS# 15 Alkynes Page 1...

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C357 PPS# 15 Alkynes Page 1 of 5 1) Provide IUPAC names for each of the following structures and write your answer on the line to the right of the structure. Be sure to include any appropriate stereochemical designations. A) B) Br C) D) H H H H CC H C C H 2) Propose a reasonable mechanism to account for the formation of the following observed reaction product(s). H 3 C H H 2 SO 4 H 2 O O
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P a g e 2 o f 5 3) Propose a reasonable mechanism to account for the formation of the following observed reaction product(s). CC H 3 C H Br 2 Br H 3 C Br H 4) There is a compound, Compound A (C 8 H 12 ) that is optically active. When reacted with H2 with a platinum catalyst, Compound B (C 8 H 18 ) results. Compound B is optically inactive. When Compound A is reacted with H2 with a poisoned catalyst, Compound C (C 8 H 14 ) results. Compound C is optically active. When Compound A is reacted with sodium metal in liquid ammonia, Compound D (C 8 H 14 ) results. Compound D is optically inactive. Using the boxes below, show the identity of each of the compounds, A through D.
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This note was uploaded on 09/28/2008 for the course CHEM 3570 taught by Professor Ganem, b during the Fall '06 term at Cornell University (Engineering School).

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15_C357_PPS_15_Alkynes_2007 - C357 PPS# 15 Alkynes Page 1...

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