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What is Organic Chemistry?

What is Organic Chemistry?

Organic chemistry is the study of compounds of carbon called organic compounds. Organic compounds either originate from living organisms or are synthesized by chemists. A defining trait of these compounds is the presence of carbon as the principal element, which is bonded to other carbon atoms and other elements such as hydrogen, oxygen, nitrogen, and sulfur. The existence of a wide array of organic molecules is a consequence of carbon atoms’ ability to form up to four strong bonds to other...

Chemical Reactions

Chemical Reactions

A chemical reaction is a process by which the bonds in the atoms of substances are rearranged to generate new substances. Matter cannot be created or destroyed in a chemical reaction—the same type and number of atoms that make up the reactants are still present in the products. Merely, the rearrangement of chemical bonds produces new compounds.
Chemical Reactions Rearrange Atoms into New Substances
A chemical reaction takes starting materials—the reactants—and changes them into different...

Chemical Reactions

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A balanced chemical equation provides the information of chemical formulas of the reactants and products involved in the chemical change. A reaction’s stoichiometry helps predict how much of the reactant is needed to produce the desired amount of product, or in some cases, how much product will be formed from a specific amount of the reactant.
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E1 Reaction: Stereochemistry and Regiochemistry

E1 Reaction: Stereochemistry and Regiochemistry

One of the critical aspects of the E1 reaction mechanism, as also observed in E2, is the regiochemistry, with multiple regioisomers obtained as products. In the example discussed, the presence of water as a weak base favors elimination over substitution to generate two alkenes. Given that alkenes’ stability increases with the number of alkyl groups across the double bond, typically, E1 reactions lead to the Zaitsev product, for this is more substituted and stable than the Hofmann product.

Molecular Structure and Acidity

Molecular Structure and Acidity

An acid can be deprotonated to form a conjugate base or an anion. If the produced anion is more stable, then the acid is stronger. On the contrary, if the anion is unstable, then the acid is weaker. Hence, to determine the acidity of the compound, the stability of its conjugate base is studied using various factors.
The size effect explains the change in atomic size on acidity. When comparing the acids formed from elements that belong to the same column in the periodic table, their atomic sizes...

E2 Reaction: Stereochemistry and Regiochemistry

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Elimination reactions of alkyl halides can yield one or more alkenes depending on the specific regiochemical and stereochemical considerations. While the regiochemistry of the reaction governs the location of the double bond in the product, the stereochemical requirements often influence the geometry.
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Applying Cheminformatics to Develop a Structure Searchable Database of Analytical Methods

Applying Cheminformatics to Develop a Structure Searchable Database of Analytical Methods

Published on: June 6, 2025

Open access and open source in chemistry.

Matthew H Todd¹

¹School of Chemistry, University of Sydney, NSW 2006, Sydney, Australia. m.todd@chem.usyd.edu.au

Chemistry Central Journal

|October 18, 2007

Summary

Open access publishing and open source research facilitate scientific data sharing. Both approaches offer distinct advantages for accelerating scientific discovery and collaboration.

Area of Science:

Information Science
Scientific Communication

Background:

Increasing rates of scientific data generation and sharing.
Emergence of new data dissemination mechanisms.

Purpose of the Study:

Discuss open access publishing and open source research.
Highlight differences and strengths of each mechanism.
Provide recent examples for illustration.

Main Methods:

Literature review and synthesis.
Comparative analysis of open access publishing and open source research models.
Case study examples.

Main Results:

Open access publishing enhances accessibility of research outputs.
Open source research promotes collaborative development and reproducibility.

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Both mechanisms accelerate scientific progress through data sharing.

Conclusions:

Open access publishing and open source research are key drivers of modern scientific advancement.
Understanding their unique strengths optimizes data dissemination strategies.
Adoption of these models fosters greater scientific transparency and collaboration.