Orgo II Lab 3 - Pictu re 4 Pictu re 5 Pictu re 7 Pictu re 8 Pictu re 9 Pictu re 1 Pictu re 12 Name Stephanie Leath Access ID ak2126 Lab Day and

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Unformatted text preview: Pictu re 4 Pictu re 5 Pictu re 7 Pictu re 8 Pictu re 9 Pictu re 1 Pictu re 12 Name: Stephanie Leath Access ID: ak2126 Lab Day and Time: Friday @ 0800am Sect 009 TA: Eric Patrick Experiment Date: February 5, 12, 2010 Due: February 19, 2010 A Stereospecific Wittig Synthesis: Preparation of trans-9-(2-Phenylethenyl)anthracene Purpose: To convert an aldehyde to an alkene using a phosphorus ylide, isolating the product through recrystallization to yield the trans isomer exclusively. Table of Reagents : Chemicals Chemical Properties Amount Used Amount Used (mol) Molecular Structure 9-anthraldehyde Chemical Formula: C 15 H 10 O Molecular Weight: 206.24 Melting Point: 103-107 ºC Density: 1.346g/mL 0.50g 2.42 x 10-3 mol benzyltriphenylphosphonium chloride Chemical Formula: C 25 H 22 ClP Molecular Weight: 388.87 Melting Point: 337 ºC Density: 1.18g/mL 0.95g 2.44 x 10-3 mol 50 % NaOH Chemical Formula: HNaO Molecular Weight: 40.00 Melting Point: 318 ºC Density: 1.52g/mL 1.25 mL 6.66 x 10-2 mol methylene chloride Chemical Formula: CH 2 Cl 2 Molecular Weight: 84.93 Melting Point: 160.37 [K] 5 mL 7.83 x 10-2 mol Water Chemical Formula: H 2 O Molecular Weight: 18.02 Boiling Point: 100°C 5 mL 2.77 x 10-1 mol 2-propanol Chemical Formula: C 3 H 8 O Molecular Weight: 60.10 Boiling Point: 340.16 [K] Melting Point: 168.89 [K] N/A N/A trans-9-(2-phenylethenyl)- anthracene Chemical Formula: C 22 H 16 Molecular Weight: 280.36 Melting Point: 130-132°C 0.387 g 1.38 x 10-3 mol Pictu re 4 Pictu re 5 Pictu re 7 Pictu re 8 Pictu re 9 Pictu re 1 Pictu re 12...
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This note was uploaded on 04/23/2010 for the course CHEM CHEM2220 taught by Professor Andreana during the Fall '10 term at Wayne State University.

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Orgo II Lab 3 - Pictu re 4 Pictu re 5 Pictu re 7 Pictu re 8 Pictu re 9 Pictu re 1 Pictu re 12 Name Stephanie Leath Access ID ak2126 Lab Day and

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