Organic Chemistry Homework Help

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Photochemical Electrocyclic Reactions

Q. Identify whether the product obtained from each of the following reactions is a meso compound or a pair of enantiomers: (a) Irradiation of (2E, 4Z, 6Z) 4,5-dimethyl-2,4,6-octatriene with UV light.

Solved • Jun 17, 2019

Resonance Effect

Q. determine which is the most acidic and what is the reason? see attach photo

Solved • Jun 19, 2019

EAS: Synthesis

Q. Give the structure for Q.

Solved • Jun 19, 2019

Aromatic Heterocycles

Q. For the following aromatic compounds, indicate (circle) the lone' pairs which are part of conjugated resonance pie system

Solved • Jun 17, 2019

Organometallic Retrosynthesis

Q. Provide three pairs of ketone and Grignard reagents which can give the same molecule shown below

Solved • Jun 17, 2019

SNAr vs. Benzyne

Q. Predict the products for each of the following reactions. Just to keep you on your toes, I will throw in some problems that go through an addition-elimination mechanism (SNAr), rather than an elimination-addition. Decide which mechanism is responsible for the reaction (based on whether or not you have all three criteria for an SNAr mechanism).

Solved • Jun 16, 2019

Infrared Spectroscopy

Q. Briefly describe the relationship between the stiffness of a chemical bond and the frequency of the band in IR spectroscopy. Repeat for the relationship between mass of atoms and frequency.

Solved • Jun 16, 2019