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I don't think so... A stereoisomer is definitely an isomer which is related to another molecule by the orientation of its atoms in space rather than its connectivity. In other words, if you have a chiral molecule, with a stereocenter, that molecule can exist as multiple stereoisomers.
I couldn't find much on regioisomer, but "regioselectivity" generally refers to the preference of one direction of http://www.answers.com/ making or breaking over all other possible directions. In other words, when adding a molecule, such as HX, where X is a halide, across a double bond, the regioselectivity refers to the preference for adding the H to one side of the bond and the X to the other.
See the Web Links to the left of this answer for some more information. From what I can gather regioisomer is rather more synonymous with structural/constitutional isomer, where the atoms differ in their connectivity. E.g. ethanol and dimethylether, which both have the molecular formula C2H6O but have different arrangements of their atoms (CH3-CH2-OH and CH3-O-CH3 respectively). I can't find a clear definition of regioisomer anywhere, which makes me wonder if there's more to it, but the online dictionaries and encyclopedias I've looked at all refer me to structural isomers when I search for it. Also, my textbook lists various 'regiospecific' and 'regioselective' reactions, where the product is one of a number of possible STRUCTURAL isomers. This contrasts to the stereospecific and stereoselective reactions given, where the product is one of a number of potential stereoisomers, i.e. molecules that have the SAME atom connectivity but different 3D arrangements in space. So I'd use regioiomer as another term for structural/constitutional isomer, not stereoisomer.
What else can I help you with?
What is a synonym for backtalk?
The synonym of backtalk is Tattle sassing
What is a synonym for camphor?
2-Bornanone that is from synonyms.net/synonym/camphor
What is a synonym for abroad?
Try these two: born in a foreign country and/or born at large.
What is a synonym for flailing?
thrust
What is the synonym of monotony?
Boredom.
What is indicated by the prefixes- and trans-?
The type of stereoisomer
What is anomers?
it is a stereoisomer that differs in configuration at only one chiral center
Which prefix is used in the name of a stereoisomer to indicate that the functional groups are on the same side of the double bond?
The prefix "cis-" is used in the name of a stereoisomer to indicate that the functional groups are on the same side of the double bond.
What does erythorbic means?
Erythorbic is an acid. Erythorbic acid is a stereoisomer of ascorbic acid.
Stereoisomer of 2-methyl butan-1-ol is at a rotation of 1.41 20C sodium D line what is the observed rotation when 5.0g of the stereoisomer is dissolved in 5ml of methanol and placed in 5cm polarimeter?
i don't realy know but i think its Jupiter ??? !!!!
What is quinidine?
Quinidine is a pharmaceutical agent, and is a stereoisomer of quinine that originally derived from the bark of the cinchona tree.
What does the prefix trans- in the name of a stereoisomer indicate about the functional groups?
The prefix "trans-" indicates that the functional groups are on the opposite sides of a double bond or ring in a stereoisomer. This means that the groups are oriented in a trans configuration, as opposed to a cis configuration where they would be on the same side.
What is the difference between stereoselective and stereoselactive reaction?
stereoselective reactions: choice of pathway leading to different stereoisomer from the same starting material. stereospecific reactions: the mechanism means that the stereochemistry of the product is determined by the steriochemistry of the starting material.
Which molecule is a stereoisomer of cis-2-pentene?
Trans-2 pentene is a stereoisomer of cis-2-pentene.
What does the prefix cis- in the name of a stereoisomer indicate about the functional groups?
The prefix cis- in the name of a stereoisomer indicates that the functional groups are positioned on the same side of a double bond or ring structure. It is used in contrast to the prefix trans-, which indicates that the functional groups are on opposite sides of the bond or ring.
What is a stereospecific chemical reaction?
A stereospecific chemical reaction is one that utilizes either the R or the L stereoisomer of a chemical.
Ask us anythingWhich prefix is used in the name of a stereoisomer to indicate that the functional groups are on the same side of the double bond?
The prefix "cis-" is used in the name of a stereoisomer to indicate that the functional groups are on the same side of the double bond. This is in contrast to the prefix "trans-" which indicates that the functional groups are on opposite sides of the double bond.
