The following intermediate was needed for the synthesis of tamoxifen, a widely usedantiestrogen drug for treating estrogen-dependent cancers such as breast and ovariancancer.Needed for the(A)synthesis of tamoxifenPropose a synthesis for this intermediate from compound A.

Answered: Image /qna-images/answer/2e0e1ec0-5c89-4c4b-b2c7-e71a1ecb2000.jpg

Answered: The following intermediate was needed…

Organic Chemistry

8th Edition

ISBN:9781305580350

Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote

Publisher:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote

Chapter19: Enolate Anions And Enamines

Section: Chapter Questions

Problem 19.42P

See similar textbooks

Similar questions

Etoposide, sold as a phosphate derivative with the trade name of Etopophos, is used for the treatment of lung cancer, testicular cancer, and lymphomas. (a) Locate the acetals in etoposide. (b) What products are formed when all of the acetals are hydrolyzed with aqueous acid?
Identify A, B, and C, three intermediates in the synthesis of the pain reliever and anesthetic fentanyl.
Reaction of X and phenylacetic acid forms an intermediate Y, which undergoes an intramolecular reaction to yield rofecoxib. Rofecoxib is a nonsteroidal antiinflammatory agent once marketed under the trade name Vioxx, now withdrawn from the market because of increased risk of heart attacks from long-term use in some patients. Identify Y and draw a stepwise mechanism for its conversion to rofecoxib
Draw a stepwise mechanism for the conversion of lactone C to carboxylic acid D. C is a key intermediate in the synthesis of prostaglandins (Section 19.6) by Nobel Laureate E. J. Corey and co-workers at Harvard University.
Reaction of X and phenylacetic acid forms an intermediate Y, which undergoes an intramolecular reaction to yield rofecoxib. Rofecoxib is a nonsteroidal anti-inammatory agent once marketed under the trade name Vioxx, now withdrawn from the market because of increased risk of heart attacks from long-term use in some patients. Identify Y and draw a stepwise mechanism for its conversion to rofecoxib.
Identify M in the following reaction sequence used to prepare theantiulcer drug omeprazole (trade name Prilosec).
Identify compounds A and B, two synthetic intermediates in the 1979 synthesis of the plant growth hormone gibberellic acid by Corey and Smith. Gibberellic acid induces cell division and elongation, thus making plants tall and leaves large.
Aprepitant (trade name Emend) is used to prevent the acute nausea and vomiting caused by chemotherapy. Identify E and F, intermediates in the synthesis of aprepitant.
Aspartame, the sweetener used in the commercial products NutraSweet and Equal, is 200 times sweeter than sucrose. What products will be obtained ifaspartame is hydrolyzed completely in an aqueous solution of HCl?
Etoposide, sold as a phosphate derivative with the trade name ofEtopophos, is used for the treatment of lung cancer, testicular cancer,and lymphomas. What products are formed when all of the acetals are hydrolyzed with aqueous acid?
Jiadifenin is a natural product isolated from the fruit of the Chinese plant Illicium jiadifengpi, which has potential for use in treating neurodegenerative disease. The lactone in jiadifenin is formed in the following two-step reaction. Write a stepwise mechanism for the conversion of M to N.
18.65 Propose a plausible synthesis for the following trans- formation. CH3 CH3 CH3

SEE MORE QUESTIONS

Recommended textbooks for you

Organic Chemistry

Chemistry

ISBN:

9781305580350

Author:

William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote

Publisher:

Cengage Learning

Organic Chemistry

Chemistry

ISBN:

9781305580350

Author:

William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote

Publisher:

Cengage Learning

SEE MORE TEXTBOOKS

The following intermediate was needed for the synthesis of tamoxifen, a widely used antiestrogen drug for treating estrogen-dependent cancers such as breast and ovarian cancer. Needed for the (A) synthesis of tamoxifen Propose a synthesis for this intermediate from compound A.