In the presence of a trace of acid, acid forms a cyclic ester (lactone). HO-CH 2 CH

Question:

In the presence of a trace of acid, acid forms a cyclic ester (lactone).

HO-CH₂CH₂CH₂CH₂-COOH

δ-hydroxyvaleric acid

(a) Give the structure of the lactone, called δ-valerolactone.

(b) Propose a mechanism for the formation of δ-valerolactone.

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Organic Chemistry

ISBN: 978-0321768414

8th edition

Authors: L. G. Wade Jr.

See More Books

Question Posted: Jun 29, 2020 06:02 AM

See More Questions

Glucose reacts with ammonia in the presence of a trace of acid to give predominantly -D- glucopyranosylamine. Propose a reasonable mechanism for this transformation. Why is only the hydroxy group at...
In the presence of an acid catalyst, acetaldehyde forms a trimer known as paraldehyde. Because it induces sleep when it is administered to animals in large doses, paraldehyde is used as a sedative or...
When ethyl 4-hydroxybutyrate is heated in the presence of a trace of a basic catalyst (sodium acetate), one of the products is a lactone. Propose a mechanism for formation of this lactone.
Write inequalities to describe the set. The slab bounded by the planes z = 0 and z = 1
Henry's law states that the concentration of a gas dissolved in a liquid is proportional to the pressure of the gas. This law is a consequence of the equilibrium [XI X(g) X(a) K
On January 1, 20X1, Figland Company purchased for cash 40% of Irene Companys 300,000 shares of voting common stock for $1,800,000. At the time, 40% of the book value of the underlying equity in...
What mechanisms are in place to guide the identification, measurement, categorization, and communication of information to stakeholders and users? Discuss differences between users and stakeholders.
Paul Smith is opening a plumbing supply store in University City. He plans to sell plumbing parts and materials to both wholesale and retail customers. Since contractors (wholesale customers) prefer...
How do collaborative efforts between governments and non-governmental organizations (NGOs) influence policy-making on a global scale ? explain
You have identified relevant controls for several assertions within the revenue cycle, and you must use IDEA to perform several tests of controls. Required: a. ELM has a policy of using pre numbered...
The following NMR spectra correspond to compounds of formulas (A) C 9 H 10 O 2 , (B) C 4 H 6 O 2 , and (C) respectively. Propose structures, and show how they are consistent with the observed...
(a) Hydrogen peroxide (HOOH) has a pK a of 11.6, making it roughly 10,000 times as strong an acid as water (pK a = 15.7). Explain why H 2 O 2 is a stronger acid than H 2 O. (b) In contrast to part...
The balance in the unearned fees account, before adjustment at the end of the year, is $1,375,000. What is the adjustment if the amount of unearned fees at the end of the year is $1,100,000? Indicate...
Design an alternative view of an informational document for display on a mobile phone or other device with a small screen. Try to keep all the information the same-that is, reuse the text and images...
The healing law for skin wounds states that \[A=\frac{A_{0}}{e^{0.1 t}}\]
Using the table of values in Problem 47, find the value of the machine when it is purchased, when it is 5 years old, and when it is scrapped. Write your answers in the form $(n, V)$. Data from...
Sren is designing an exhibit of his paintings and has up to 450 square feet of wall space to display them. His small paintings take up 6 square feet each, and his larger paintings take up 24 square...
A key coordinative skill that experienced writers in Slattery's study developed was the ability to pre-stage their work environment for a productive session of work. What do you do before you write...
How are the current and non-current portions of a mortgage note payable determined for presenting them in the liabilities section of the balance sheet?
Read the following description and Write a response of it. The discretion of public administrators can be decreased, but not altogether eliminated. Officials will use their discretion in any given...
The Wilkinson catalyst chlorotris (triphenylphosphine) rhodium(I), ClRh(PPh0)3, brings about the catalytic hydrogenation of an alkene in homogeneous solution: (a) Using the following mechanistic...
The Wilkinson catalyst chlorotris (triphenylphosphine) rhodium(I), ClRh(PPh0)3, brings about the catalytic hydrogenation of an alkene in homogeneous solution: (a) Using the following mechanistic...
Characterize each step of the mechanism in Eq. 18.42b in terms of the fundamental processes discussed in the previous section. Give the electron count and the oxidation state of the metal in each...
Popular furniture company, IKEA, has purchased forests in Romania as well as land in Alabama to assist with keeping up with the wood demand necessary to complete customer orders. This was one way...
How does China being Turkey's biggest import partner affect Turkey's exchange rate?
Assignment 4 In this assignment you are provided information on an experiment and you are required to investigate and interpret the output which is provided below. Problem: Consider the...

In the presence of a trace of acid, acid forms a cyclic ester (lactone). HO-CH 2 CH

Question:

Step by Step Answer:

QS In the presence of acid acid forms a center tact one HOCH ...View the full answer

Organic Chemistry

Students also viewed these Sciences questions