Experiment 11 - NaBH4 Reduction of a Ketone | CHEM 3152, Lab Reports of Organic Chemistry

Download Experiment 11 - NaBH4 Reduction of a Ketone | CHEM 3152 and more Lab Reports Organic Chemistry in PDF only on Docsity! Experiment 11 NaBH4 Reduction of a Ketone Date of Experiment: ____________ TA/Section: ___________________ Name:________________________ Major Goal/Aim of Experiment Background, Techniques and Theory: see attached Prelab writeup. Outline of Procedure: see attached Prelab writeup Table of Reactants/Products (Fill in any missing amounts) Compound Physical Property Molecular Weight Amount 4-t-butylcyclohexanone C10H18O white solid mp 47-50 °C g/mol mg 0.33 mmol Sodium borohydride solution, NaOCH3, NaBH4 in CH3OH colorless liquid ~1 M NaBH4 300µL ~0.3 mmol Methanol CH3OH colorless liquid bp 65 °C 100 µL 4-t-Butylcyclohexanol C10H20O (cis- and trans-) white solid mp 62-70 °C g/mol (product) Observations, Results and Writeup Actual amount of ketone used: ____________µL __________ mmol Experiment 11 Short Form-2 Name:__________________ 1. Combine materials Aqueous Organic 5. Dry, concentrate Observations for each step 1 2 3 4 Appearance of aqueous and organic 5 6 Appearance of product 2. Wait 3. Add HCl 4. Extract 6. Product --weigh, mp, GC, IR analysis Amount of isolated solid: _____________ g ______________ mmol % yield: __________ mp ____________ °C