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Related Concept Videos

Prochirality02:05

Prochirality

The concept of prochirality leads to the nomenclature of the individual faces of a molecule and plays a crucial role in the enantioselective reaction. It is a concept where two or more achiral molecules react to produce chiral products. A typical process is the reaction of an achiral ketone to generate a chiral alcohol. Here, the achiral reactant reacts with an achiral reducing agent, sodium borohydride, to generate an equimolar mixture of the chiral enantiomers of the product. For example, an...
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The rate of acid-catalyzed hydration of alkenes depends on the alkene's structure, as the presence of alkyl substituents at the double bond can significantly influence the rate.
Nomenclature of Carboxylic Acid Derivatives: Amides and Nitriles01:11

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Naming Amides
The IUPAC and common names of amides are derived from the parent carboxylic acid, by replacing the suffix “oic acid” and “ic acid,” respectively, with “amide.” In the following example, the IUPAC name ethanamide is derived from ethanoic acid, and the common name, acetamide, is obtained from acetic acid.
2° Amines to N-Nitrosamines: Reaction with NaNO201:20

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Secondary amines react with nitrous acid to form N-nitrosamines, as depicted in Figure 1. Nitrous acid, a weak and unstable acid, is formed in situ from an aqueous solution of sodium nitrite and strong acids, such as hydrochloric acid or sulfuric acid, in cold conditions. In the presence of an acid, the nitrous acid gets protonated. The subsequent loss of water results in the formation of the electrophile known as nitrosonium ion.
¹³C NMR: Distortionless Enhancement by Polarization Transfer (DEPT)01:20

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When proton-coupled carbon-13 spectra are simplified by a broadband proton decoupling technique, structural information about the coupled protons is lost. Distortionless enhancement by polarization transfer (DEPT) is a technique that provides information on the number of hydrogens attached to each carbon in a molecule. While the DEPT experiment utilizes complex pulse sequences, the pulse delay and flip angle are specifically manipulated. The resulting signals have different phases depending on...
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Erratum: N-tert-Butyl-2-methyl-propanamide. Corrigendum.

Kelly A Kluge1, Diana Fridlyand, Cora E Macbeth

  • 1Department of Chemistry, Emory University, 1515 Dickey Drive, Atlanta, GA 30322, USA.

Acta Crystallographica. Section E, Structure Reports Online
|December 27, 2011
PubMed
Summary

A correction has been issued for the author list in a previously published crystallography paper. This ensures accurate attribution for the scientific work presented in Acta Crystallographica Section E.

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Area of Science:

  • Crystallography
  • Structural Biology
  • Materials Science

Background:

  • Accurate author attribution is crucial for scientific integrity.
  • Previous publication by Kluge et al. in Acta Cryst. (2011) requires a correction.

Purpose of the Study:

  • To correct an error in the author list of a published scientific paper.
  • To ensure the scientific record accurately reflects contributions.

Main Methods:

  • Review of the original publication and submission details.
  • Issuance of a formal correction notice.

Main Results:

  • The name of one author in the paper by Kluge et al. has been corrected.
  • The correction pertains to the publication in Acta Cryst. (2011), E67, o2143.

Conclusions:

  • The correction ensures accurate citation and avoids potential issues with author attribution.
  • This action upholds the standards of scientific publishing and record-keeping.