Parent Alkene Derivatives
Parent Alkene Derivatives - Related Videos
06:52
Ozonolysis of Alkenes
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2023
Source: Vy M. Dong and Zhiwei Chen, Department of Chemistry, University of California, Irvine, CA This experiment will demonstrate an example of an ozonolysis reaction to synthesize vanillin from isoeugenol (Figure 1). Ozonolysis of alkenes, an oxidation reaction between ozone and an alkene, is a common method to prepare aldehydes, ketones, and carboxylic acids. This experiment also demonstrates the use of an ozone generator and a low temperature (−78 °C) reaction. Figure 1. Diagram showing...
01:37
Parental Care
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2026
Many animals exhibit parental care behavior, including feeding, grooming, and protecting young offspring. Parental care is universal in mammals and birds, which often have young that are born relatively helpless. Several species of insects and fish, as well as some amphibians, also care for their young. Birds Parental care can occur even before hatching in birds, when parents sit on their eggs to incubate them. After hatching, the parents provide food for their offspring, and may continue to...
01:27
Parenting Styles
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2025
Diana Baumrind's four parenting styles — authoritarian, authoritative, neglectful, and permissive — each influence children's socio-emotional development differently. Authoritarian Parenting This style is strict and controlling, with little room for open dialogue. Authoritarian parents demand obedience and often enforce rules with minimal warmth. Children raised this way may lack social skills and initiative, usually comparing themselves to others unfavorably. Authoritative Parenting This...
06:46
Facile Preparation of (2Z,4E)-Dienamides by the Olefination of Electron-deficient Alkenes with Allyl Acetate
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Cited by 1 •
2017
The ruthenium-catalyzed olefination of electron-deficient alkenes with allyl acetate is described here. By using aminocarbonyl as a directing group, this external oxidant-free protocol has high efficiency and good stereo- and regioselectivity, opening a novel synthetic route to (Z,E)-butadiene skeletons.
01:28
Relationship with Parents: Attachment
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2025
Parent-child interactions lay the foundation for how we understand relationships throughout life. These interactions are not uniform across families; instead, they are shaped by a range of environmental, emotional, and behavioral factors unique to each caregiver-child dynamic. Social psychologists study these early relationships to understand how patterns formed in infancy influence social functioning and interpersonal behavior in adulthood.Attachment Theory and Early Relational ModelsJohn...
FAQs
Numbering the parent chain from the more appropriate end gives the double bond the lowest possible locant, which identifies its position consistently. This priority prevents equivalent structures from receiving conflicting names and establishes a dependable starting point for locating substituents. The resulting name communicates the principal structural feature before additional details are added.
E and Z descriptors distinguish different spatial arrangements around a carbon–carbon double bond when alkene geometry is relevant. Including this information allows a systematic name to represent more than connectivity alone. The descriptors therefore help chemists distinguish compounds that share the same parent chain, double-bond position, and substituent identities but differ in geometric arrangement.
Substituents modify the carbon skeleton or double-bond framework without replacing the need to identify the parent structure. Their identities and positions are incorporated into the systematic name after the parent chain and multiple-bond locant are established. This layered representation connects the written name to the molecule’s detailed structure and supports discussion of its chemical behavior.
Begin by selecting the appropriate carbon skeleton that contains the alkene parent structure. Number that skeleton so the multiple bond receives the lowest possible locant, then identify and place the carbon substituents or functional groups. Finally, include alkene geometry such as E or Z when relevant. This sequence reduces ambiguity and keeps structural features organized.
Systematic names provide a compact way to identify the double-bond position, substituent pattern, and relevant geometry of a compound before a reaction is analyzed. Because those structural features can influence how molecules are compared, consistent naming helps researchers describe starting materials and products clearly. It also supports communication when discussing synthesis and reactions of substituted alkenes.
A systematic name supplies a structural reference that links an alkene derivative to its parent chain, substituents, double-bond position, and possible geometry. In spectroscopy, that description helps organize discussion of the compound being examined. During synthesis, it provides a consistent way to identify intended structures and compare materials as a sequence of chemical steps is considered.