Nomenclature of Alkanes

Alkanes are hydrocarbons. Nomenclature of organic compounds is very important and plays important role in understanding organic chemistry. The link below provide comprehensive detail about how naming alkanes according to IUPAC rules.

https://www.youtube.com/watch?v=HHK2wwD8wy8&t=385s

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This Alkane Table
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Most branched C485 alkane, IUPAC name in the comments (too long for title)
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Synthesis of 1,3โ€Bisโ€(boryl)alkanes through Boronic Ester Induced Consecutive Double 1,2โ€Migration

Two is better than one : Commercially available ICH2Bpin reacts with readily prepared vinylboron ate complexes under practical conditions to valuable 1,3โ€bisโ€(boryl)alkanes. The cascade proceeds through two subsequent 1,2โ€metallate rearrangements of boronate complexes, with the second boronate being form in the initial 1,2โ€migration step.

Abstract

A general and efficient approach for the preparation of 1,3โ€bisโ€(boryl)alkanes is introduced. It is shown that readily generated vinylboron ate complexes react with commercially available ICH2Bpin to valuable 1,3โ€bisโ€(boryl)alkanes. The introduced transformation, which is experimentally easy to conduct, shows broad substrate scope and high functionalโ€group tolerance. Mechanistic studies reveal that the reaction does not proceed via radical intermediates. Instead, an unprecedented boronic ester induced sequential bisโ€1,2โ€migration cascade is suggested.

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Without using IR, is there a simple method/experiment that can be used to differentiate between ketone and an alkane?
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The Sour Demon? More Like: the Alkane Demon.
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After heating n-Hexatriacontane (long-chain alkane with the chain length of 36 C) to 100 ยฐC, a yellow/brown substance appears. Is it an impurity of the product or an oxidization product?
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Pls help with SN2 reactions (Not sure how these two compounds could undergo SN2โ€“ I thought Alkanes were awful leaving groups)
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Branched Alkanes

We already have an alkanes thread, but that only counts linear alkanes. Therefore, I had a stupid idea: Why not count and name all branched alkanes? Therefore, in this thread, we'll be counting the preferred IUPAC name of every branched alkane.

Each alkane corresponds to an unrooted tree with certain restrictions. To determine the tree for the Nth alkane, run treeviz.py with N as a command-line argument and with trees.txt in the same directory. Note that treeviz.py requires Matplotlib and NetworkX to run. trees.txt as given contains the first 18,030 trees; if more are necessary, run trees.py for yourself.

A online interface for treeviz.py, created by u/SilverSteeples, can be found at http://cmd.pm/trees; just enter N and press the "Go" button.

The alkane corresponding to each tree can be determined by interpreting each node as a carbon atom.

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why is the order of increasing polarity: alkane, ester, alcohol, and carboxylic?

I completely understand what normal phase chrom is and how polarity relates to the retention time. Just boggled as to why the order of increasing polarity is this way? The ester, having an oxygen AND a C=O should logically be next to a carboxylic acid.... Also why is alcohol between the two?

https://preview.redd.it/tv2owet5fh651.png?width=607&format=png&auto=webp&s=183b7e96684bb222d5d8532f218bd08fc6626909

https://preview.redd.it/1ziy0ov6fh651.png?width=628&format=png&auto=webp&s=2bd4ff9298822582dc69767df8d251e208ab0101

https://preview.redd.it/vnanv5u7fh651.png?width=634&format=png&auto=webp&s=5e785a0be5058f58634fe26ebf919a9cbf60c508

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[ASAP] Chemoselective Cross-Coupling of -Borazirconocene Alkanes with Aryl Halides

Journal of the American Chemical SocietyDOI: 10.1021/jacs.0c03821

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Synthesis of 1,3โ€Bisโ€(boryl)alkanes via Boronic Esterโ€Induced Consecutive Double 1,2โ€Migration

A general and efficient approach for the preparation of 1,3โ€bisโ€(boryl)alkanes is introduced. It is shown that readily generated vinylboron ate complexes react with commercially available ICH 2 Bpin to valuable 1,3โ€bisโ€(boryl)alkanes. The introduced transformation which is experimentally easy to conduct shows broad substrate scope and high functional group tolerance. Mechanistic studies reveal that the reaction does not proceed via radical intermediates. Instead, an unprecedented boronic esterโ€induced sequential double 1,2โ€migration cascade is suggested.

https://ift.tt/3hZKaCC

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Alkanes: Crash Course Organic Chemistry #6 youtube.com/watch?v=ryHnCโ€ฆ
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A Predictive Model Towards Siteโ€Selective Metalations of Functionalized Heterocycles, Arenes, Olefins and Alkanes using TMPZnClยทLiCl

The development of a predictive model towards siteโ€selective deprotometalation reactions using TMPZnClยทLiCl is reported (TMP = 2,2,6,6โ€tetramethylpiperidinyl). The p K a values of functionalized N โ€, S โ€, and O โ€heterocycles, arenes, alkenes or alkanes were calculated and compared to the experimental deprotonation sites. Large overlap (>80%) between the calculated and empirical deprotonation sites was observed, showing that thermodynamic factors strongly govern the metalation regioselectivity. In the case of olefins, calculated frozen state energies of the deprotonated substrates allowed a more accurate prediction. Additionally, various new N โ€heterocycles were analyzed and the metalation regioselectivities rationalized using the predictive model.

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I derived the general IUPAC name for all cubic alkanes, where n is the amount of carbon atoms on 1 edge
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A Predictive Model Towards Siteโ€Selective Metalations of Functionalized Heterocycles, Arenes, Olefins, and Alkanes using TMPZnClโ‹…LiCl

Metalation site prediction : The use of simple pKa calculations allowed a reliable prediction of metalation sites in various heterocycles, arenes, olefins, and alkanes, employing the mild base TMPZnClโ‹…LiCl. Using this predictive model, also unexplored N โ€heterocycles were investigated, and the obtained deprotonation sites rationalized readily.

Abstract

The development of a predictive model towards siteโ€selective deprotometalation reactions using TMPZnClโ‹…LiCl is reported (TMP=2,2,6,6โ€tetramethylpiperidinyl). The pKa values of functionalized N โ€, S โ€, and O โ€heterocycles, arenes, alkenes, or alkanes were calculated and compared to the experimental deprotonation sites. Large overlap (>80โ€‰%) between the calculated and empirical deprotonation sites was observed, showing that thermodynamic factors strongly govern the metalation regioselectivity. In the case of olefins, calculated frozen state energies of the deprotonated substrates allowed a more accurate prediction. Additi

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TCCA and Alkanes

Sorry if this is ignorant but I recently watched a video on chlorinating molecules using TCCA and they mentioned it acted a lot like NBS. Is it true that they share the same reaction mechanisms? If not is there some information I can find on reactions with TCCA? I wanted to possible make some alkylhalides with it.

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Naming alkanes, why is this chain incorrect to use as a parent chain?
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My favourite alkane
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shouldn't we use BH3.THF/NaOH.H2O,before adding the oxidation agent? like we should have turn the double bond into alkane+alcohol,then we use Na2Cr2O7
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Hi, just wondering if someone can verify this for me please. I've been assigned a research project on halogenoalkanes and found out that Iodo alkanes are the most reactative, and flouro is the least reactive. Is that right?
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[Late WNW] He do be naming alkanes doe๐Ÿ˜ณ
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ฤฐzmirane izmirane fellas letโ€™s make this is the first result for izmirane alkane for ฤฐZMฤฐR izmirane izmirane
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Alkanes and Alkenes

People of Reddit!

I have a question concerning the numbering of alkenes in the IUPAC-nomenclature.

If you have just an alkane, you need to take care that the first locant has the lowest possible number.

Now, if you have an alkene, does the double-bond have to have the lowest number or the first locant?

Thanks already!

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[O levels]In Chemistry, how do I determine the number of isomers that an alkane/alkene/carboxylic acid/alcohol have?How do I know how to draw it?

Thank you!

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FYI, Spider is selling Dusklight, Alkane Dust, Sim Seeds, and Datalattice for shards today

Go buy the stuff now for Shadowkeep!

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Enhanced photocatalytic alkane production from fatty acid decarboxylation via inhibition of radical oligomerization nature.com/articles/s4192โ€ฆ
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Oxidation of alkane?

What is the reaction from A to B and A to D. Is oxidation of alkane possible? I referred to reference books but couldn't find anything on it. If this is very trivial, I will remove it. https://imgur.com/a/Srk9ZQY TIA =)

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Organic Chemistry Nomenclature IUPAC Practice Review - Naming Alkanes, Alcohols, Alkenes & Alkynes youtube.com/watch?v=O8wKkโ€ฆ
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Selective electroenzymatic oxyfunctionalization by alkane monooxygenase in a biofuel cell

Aliphatic synthetic intermediates with high added value are generally produced from alkane sources (e.g., petroleum) by inert carbonโ€hydrogen (Cโ€H) bond activation using classical chemical methods (high temperature, rare metals). As an alternative approach for these reactions, alkane monooxygenase from Pseudomonas putida (alkB) is able to catalyze the difficult terminal oxyfunctionalization of alkanes selectively and under mild conditions. Here, we report an electrosynthetic system using an alkB biocathode which produces alcohols, epoxides, and sulfoxides through bioelectrochemical hydroxylation, epoxidation, sulfoxidation, and demethylation. The capacity of the alkB binding pocket to protect internal functional groups, a lucrative capability, is also demonstrated. By coupling our alkB biocathode with a hydrogenase bioanode and using H2 as a clean fuel source, we have developed and characterized a series of enzymatic fuel cells (EFCs) capable of oxyfunctionalization while simultaneousl

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[ASAP] Splitting Mono- and Dibranched Alkane Isomers by a Robust Aluminum-Based Metalโ€“Organic Framework Material with Optimal Pore Dimensions

Journal of the American Chemical SocietyDOI: 10.1021/jacs.0c01769

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Melting points of alkanes, alkenes and alkynes?

Hi all!

Was just wondering how the melting points of alkanes, alkenes and alkynes compare? I've been researching and I've found that the boiling point of alkenes is slightly lower than alkanes (less hydrogens/electrons=less dispersion forces). I also found that alkynes have slightly higher boiling points that alkanes (linear geometry of alkynes = closer packing = stronger dispersion forces). However, I haven't been able to find anything on the internet on melting points? Is it okay to assume that it's the same? i.e. alkenes have lower melting points than alkanes and alkynes have higher melting points than alkanes?

Thank you so much!!

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