What is the missing reactant R in this organic reaction? སྣའི་ཁ་ན་ + R H3O+ Draw the structure of R in the drawing area below. • Be sure to use wedge and dash bonds if it's necessary to draw one particular enantiomer.

Predict the products of this organic reaction: CH₂=CH-CH=CH₂ + 2 H₂ Pt No reaction ? Specifically, in the drawing area below draw the condensed structure of each product. If there's more than one product, you can draw them in any arrangement you like. If there is no reaction, check the No reaction box under the drawing area. Click anywhere to draw the first atom of your structure. X :0 S

Draw a structural formula for the alkene you would use to prepare the alcohol shown by hydroboration/oxidation. OH ļ • You do not have to consider stereochemistry. • You do not have to explicitly draw H atoms. • In cases where there is more than one answer, just draw one. + Sn [F ?

6. Which of the following is an ester with molecular formula C6H10O₂? (If more than one answer is correct circle all correct answers). x 0- A 0 B To X و میری D x 7. Indicate the orbitals that are overlapping to give each of the indicated bonds (for example Csp3- Hs). Keep in mind that not all hydrogens or lone pairs are drawn in. C5P3 E X

Predict the major product of this organic reaction: CH3 CH3CH₂C=CH₂ No reaction + H₂O H+ ? Specifically, in the drawing area below draw the condensed structure of the major product. If there is no reaction, check the No reaction box under the drawing area. Click anywhere to draw the first atom of your structure. X

Pyrethrins, such as jasmolin II (shown below), are a group of natural compounds that are synthesized by flowers of the genus Chrysanthemum (known as pyrethrum flowers) to act as insecticides. CH3 CH2=CH-CH. CH-C- -HCS 0-CH, CH,-C H2C- ČH, Which is not a functional group or structural feature in jasmolin II? cycloalkane carboxylic acid ester alkene

Can someone please help me figure out how to draw (E)-4-tert-butyl-2-methyl-3-heptene

Draw all six ketone constitutional isomers of the formula C6H12O Follow the instructions and draw the five different possible arrangements of six carbon units. For parts A-C, draw only the six carbon atoms and Do Not draw the ketone. A:draw the structure containing six carbons in the longest parent chain. B: draw the two structures containing five carbons in the longest parent chain. C: Draw the two structures containing four carbons in the longest parent chain. D: Using the five structures from parts A,B,&C as a guide, draw the skeletal structures of the six constitutional isomers of C6H12O that are ketones.

11-58 (Chemical Connections 11A) How many rings in te trodotoxin contain only carbon atoms? How many contain nitrogen atoms? How many contain two oxygen atoms?

Carvone is the major constituent of spearmint oil. Draw the major organic product of the reaction of carvone with HOCH2CH2OH, HCI. Carvone • You do not have to consider stereochemistry. • You do not have to explicitly draw H atoms. • Do not include lone pairs in your answer. They will not be considered in the grading. • In cases where there is more than one answer, just draw one. • If no reaction occurs, draw the organic starting material. + Sn 1