Explore Related Concepts

example iupac nomenclature of organic chemistry

Best Results From Wikipedia Yahoo Answers Youtube


From Wikipedia

IUPAC nomenclature of organic chemistry - Wikipedia, the free ...

For example, the simplest alkane is CH4 methane, and the nine-carbon alkane...


From Yahoo Answers

Question:Hi, I have two questions on IUPAC's nomenclature for organic chemistry: 1. I am not sure if I'm allowed to use "common" names like isopropane, isopropyl, isobutane, tert-butyl, etc in a IUPAC name. I sometimes hear yes, but my teacher says no. Can someone tell me exactly what names am I allowed to use in a IUPAC name? 2. In the same test, I wrote "isobutanol", and apparently it's wrong because I mixed IUPAC and common names together". Isobutanol is the name of wikipedia's page on the compound, so I'm wondering if it's that wrong. I know the better way to name would be isobutyl alcohol, but can't I use isobutanol because it's mixing the two nomenclatures? thank you

Answers:That's weird, I could have sworn I answered this question already... 1) If your professor wants formality then you should do it. Know that in the real lab work, when you communicate with your coworkers, you won't be too caught up on IUPAC, but if you write a professional publication then you will. What's nice now though is you can use software to name things correctly for you. 2) Wikipedia is not always a solid source of information. You should trust your text over Wikipedia, and your professor over your text in most cases. Cheers

Question:I need to know the order of importance... I know that carboxylic acids are the most important group and alkanes are the least important but I need to know the whole list.

Answers:No, carboxylic acid's not the highest priority in IUPAC nomenclature: 01 -> Cation (as R-NH3+ for example) 02 -> Carboxylic acid (R-COOH) 03 -> Sulfonic acid (R-SO3H) 04 -> Acid anhydrid (R-CO-O-CO-R') 05 -> Carboxylic acid ester (R-CO-O-R') 06 -> Acyl halide (R-CO-X) 07 -> Amide (R-CO-NH2) 08 -> Nitrile (R-CN) 09 -> Aldehyde (R-CO-H) 09 -> Ketone (R-CO-R') 10 -> Alcohol & phenol (R-OH & Ar-OH) 11 -> Thiol & thiophenol (R-SH & Ar-SH) 12 -> Mineral acid ether (R-O-NO2 for exemple) 13 -> Amine (R-NH2) Then, for groups as Nitro (R-NO2), Halogeno (R-X), Ether (R-O-R'): they're substituants and not functions And alkanes, alkenes and alkynes are just present in the molecule name in order to build the molecule structure

Question:Could anyone please help me in naming alkanes? I'm trying to figure out where do I put the lowest count to. Do I give the lowest locant to the R(alkyl group), the OH group or the halogen. Could you please put in order for me like which one goes first, second, and third. Thank you! I need to know in what order...I mean..not just the nearest branch. I need a more detailed answer please.

Answers:For an exact answer, the structure would help. However, since you have indicated that it contains an OH group. That is the highest priority group and you would name with by including the OH in the longest chain possible. The OH will have the lowest locant. If you need to, number all of the atoms at that point. Use the locants for the halogen and the R group. Name the compound starting alphabetically with the prefix groups, (alkyl, alkoxy, chloro, bromo, fluoro, phenyl, pyridyl, etc.) and complete the name with the alkan-n-ol.

From Youtube

IUPAC alkane nomenclature (4) :Organic chemistry: IUPAC alkane nomenclature. Bond-line notation. How to draw all the structural isomers of a compound. Common names for branched substituents: isopropyl, isobutyl, sec-butyl, tert-butyl. Naming cyclic alkanes. This is a recording of a tutoring session, posted with the students' permission. These videos are offered on a "pay-what-you-like" basis. You can pay for the use of the videos at my website: www.freelance-teacher.com For a list of all the available video series, arranged in suggested viewing order, go to my website. For a playlist containing all the videos in this series, click here: www.youtube.com (1) Alkane nomenclature. Bond-line notation (2) An example of how to draw all the structural isomers of a compound (3) Another example of drawing all structural isomers (4) More nomenclature examples. Substituents (5) More nomenclature examples (6) Another example of drawing all structural isomers (7) More nomenclature examples (8) Common names for branched substituents: isopropyl, isobutyl (9) Continued: sec-butyl, tert-butyl, n-butyl (10) Writing the structure of a compound when you're given the name (11) Nomenclature for cyclic alkanes (12) Continued (13) When to use alphabetization (14) More nomenclature examples for substituted cycloalkanes

IUPAC alkane nomenclature (6) :Organic chemistry: Alkane nomenclature. Bond-line notation. How to draw all the structural isomers of a compound. Common names for branched substituents: isopropyl, isobutyl, sec-butyl, tert-butyl. Naming cyclic alkanes. This is a recording of a tutoring session, posted with the students' permission. These videos are offered on a "pay-what-you-like" basis. You can pay for the use of the videos at my website: www.freelance-teacher.com For a list of all the available video series, arranged in suggested viewing order, go to my website. For a playlist containing all the videos in this series, click here: www.youtube.com (1) Alkane nomenclature. Bond-line notation (2) An example of how to draw all the structural isomers of a compound (3) Another example of drawing all structural isomers (4) More nomenclature examples. Substituents (5) More nomenclature examples (6) Another example of drawing all structural isomers (7) More nomenclature examples (8) Common names for branched substituents: isopropyl, isobutyl (9) Continued: sec-butyl, tert-butyl, n-butyl (10) Writing the structure of a compound when you're given the name (11) Nomenclature for cyclic alkanes (12) Continued (13) When to use alphabetization (14) More nomenclature examples for substituted cycloalkanes