the major product obtained upon addition of Br2 to (R)-4-tert-butylcyclohexene

Draw following molecules! (1R,4R)-4-ethoxy-2-ethylcyclohex-2-enol (2R,4S)-7-(2,2,6,6-tetramethylcyclohexyl)hept-6-yne-2,4-diamine

Draw the major product(s) of the following reactions and indicate the stereochemical relationship between the products formed in each of the following reactions? Also, is it enantiomers, diastereoisomers or just an achiral product? No mechanism needed

Payalben

Rank the carbocations from most to least stable: O A B N с

C. SN1 SN2 E1 E2 Initial Stereochemistry R CH3 H3C-CH2- -CH OH R TSCI (with pyridine) and -OCH2CH3 + Product(s)/Stereochemistry(ies) of reaction c

Is the structure, transition state and relative stereochemistry of the products is correct?  Is the curly arrow mechanism is correct ?

Draw the major organic product(s) for the following reaction, and include all relevant stereochemistry. If more than one stereoisomer is formed, show both stereoisomers.

7. Draw the substitution and elimination mechanism for the following reaction. Marks are given for arrows and charges. Label the major product(s) Br CH₂OH 8. A) What is/are the final major product(s) produced in the following two step reaction? B) If two products are formed what stereochemical relationship do they have with each other? If only one product is formed is it chiral or achiral? Br 1. CH₂SNa (1 eq.)/THF 2 CH₂OH/THF

Draw the major product for each of the reactions, showing the correct stereochemistry, if any. Draw hydrogen atoms on chirality centers.