This topic contains a solution. Click here to go to the answer

Author Question: What ylide is needed to prepare 3-ethyl-3-heptene from 3-pentanone using a Wittig reaction? (Read 37 times)

april 19

  • Full Member
  • ***
  • Posts: 136

Question 1

Which reactants are the best choice to prepare the alkene shown using the Wittig reaction?



◦ butanal and 2-bromopentane/PPh3/n-BuLi
◦ propanal and 2-bromopentane/PPh3/n-BuLi
◦ 2-pentanone and 2-bromopropane/PPh3/n-BuLi
◦ 2-pentanone and 1-bromopropane/PPh3/n-BuLi
◦ ethanal and 2-bromopentane/PPh3/n-BuLi

Question 2

What ylide is needed to prepare 3-ethyl-3-heptene from 3-pentanone using a Wittig reaction?
◦ Ph3P=CHCH2CH3
◦ Ph3P=CHCH2CH2CH3
◦ Ph3P=CH2
◦ Ph3P=CHCH2(CH3)2
◦ Ph3P=CH(CH2CH3)2


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by april 19 on Feb 17, 2022

ALuthy

  • Full Member
  • ***
  • Posts: 161
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 39% of students answer this correctly




april 19

  • Member
  • Posts: 136
Reply 2 on: Feb 17, 2022
Thanks for the timely response, appreciate it


cpetit11

  • Member
  • Posts: 321
Reply 3 on: Yesterday
Excellent

 

Did you know?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

Did you know?

The newest statin drug, rosuvastatin, has been called a superstatin because it appears to reduce LDL cholesterol to a greater degree than the other approved statin drugs.

Did you know?

Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.

Did you know?

Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.

Did you know?

Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.

For a complete list of videos, visit our video library