How to specify the structure of substituted blade-like zigzag diamondoids

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How to specify the structure of substituted blade-like zigzag diamondoids. / Balaban, Alexandru T.; Rücker, Christoph.
in: Central European Journal of Chemistry, Jahrgang 11, Nr. 9, 09.2013, S. 1423-1430.

Publikation: Beiträge in ZeitschriftenZeitschriftenaufsätzeForschungbegutachtet

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@article{18e2457931a84c39bc6454002ac74549,
title = "How to specify the structure of substituted blade-like zigzag diamondoids",
abstract = "The dualist of an [n]diamondoid consists of vertices situated in the centers of each of the n adamantane units, and of edges connecting vertices corresponding to units sharing a chair-shaped hexagon of carbon atoms. Since the polycyclic structure of diamondoids is rather complex, so is their nomenclature. For specifying chemical constitution or isomerism of all diamondoids the Balaban-Schleyer graph-theoretical approach based on dualists has been generally adopted. However, when one needs to indicate the location of C and H atoms or of a substituent in a diamondoid or the stereochemical relationships between substituents, only the IUPAC polycycle nomenclature (von Baeyer nomenclature) provides the unique solution. This is so since each IUPAC name is associated with a unique atom numbering scheme. Diamondoids are classified into catamantanes (which can be regular or irregular), perimantanes, and coronamantanes. Regular catamantanes have molecular formulas C 4n+6H4n+12. Among regular catamantanes, the rigid blade-shaped zigzag catamantanes (so called because their dualists consist of a zigzag line with a code of alternating digits 1 and 2) exhibit a simple pattern in their von Baeyer nomenclature. Their carbon atoms form a main ring with 4n + 4 atoms, and the remaining atoms form two 1-carbon bridges. All zigzag [n]catamantanes with n > 2 have quaternary carbon atoms, and the first bridgehead in the main ring is such an atom. Their partitioned formula is C n-2(CH)2n+4(CH2) n+4. As a function of their parity, IUPAC names based on the von Baeyer approach have been devised for all zigzag catamantanes, allowing the unique location for every C and H atom. The dualist of such a zigzag catamantane defines a plane bisecting the molecule, and the stereochemical features of hydrogens attached to secondary carbon atoms can be specified relatively to that plane. {\textcopyright} 2013 Versita Warsaw and Springer-Verlag Wien.",
keywords = "Chemistry, Catamantanes, Diamondoids, Dualists, IUPAC nomenclature",
author = "Balaban, {Alexandru T.} and Christoph R{\"u}cker",
year = "2013",
month = sep,
doi = "10.2478/s11532-013-0275-7",
language = "English",
volume = "11",
pages = "1423--1430",
journal = "Central European Journal of Chemistry",
issn = "1895-1066",
publisher = "Central European Science Journals",
number = "9",

}

RIS

TY - JOUR

T1 - How to specify the structure of substituted blade-like zigzag diamondoids

AU - Balaban, Alexandru T.

AU - Rücker, Christoph

PY - 2013/9

Y1 - 2013/9

N2 - The dualist of an [n]diamondoid consists of vertices situated in the centers of each of the n adamantane units, and of edges connecting vertices corresponding to units sharing a chair-shaped hexagon of carbon atoms. Since the polycyclic structure of diamondoids is rather complex, so is their nomenclature. For specifying chemical constitution or isomerism of all diamondoids the Balaban-Schleyer graph-theoretical approach based on dualists has been generally adopted. However, when one needs to indicate the location of C and H atoms or of a substituent in a diamondoid or the stereochemical relationships between substituents, only the IUPAC polycycle nomenclature (von Baeyer nomenclature) provides the unique solution. This is so since each IUPAC name is associated with a unique atom numbering scheme. Diamondoids are classified into catamantanes (which can be regular or irregular), perimantanes, and coronamantanes. Regular catamantanes have molecular formulas C 4n+6H4n+12. Among regular catamantanes, the rigid blade-shaped zigzag catamantanes (so called because their dualists consist of a zigzag line with a code of alternating digits 1 and 2) exhibit a simple pattern in their von Baeyer nomenclature. Their carbon atoms form a main ring with 4n + 4 atoms, and the remaining atoms form two 1-carbon bridges. All zigzag [n]catamantanes with n > 2 have quaternary carbon atoms, and the first bridgehead in the main ring is such an atom. Their partitioned formula is C n-2(CH)2n+4(CH2) n+4. As a function of their parity, IUPAC names based on the von Baeyer approach have been devised for all zigzag catamantanes, allowing the unique location for every C and H atom. The dualist of such a zigzag catamantane defines a plane bisecting the molecule, and the stereochemical features of hydrogens attached to secondary carbon atoms can be specified relatively to that plane. © 2013 Versita Warsaw and Springer-Verlag Wien.

AB - The dualist of an [n]diamondoid consists of vertices situated in the centers of each of the n adamantane units, and of edges connecting vertices corresponding to units sharing a chair-shaped hexagon of carbon atoms. Since the polycyclic structure of diamondoids is rather complex, so is their nomenclature. For specifying chemical constitution or isomerism of all diamondoids the Balaban-Schleyer graph-theoretical approach based on dualists has been generally adopted. However, when one needs to indicate the location of C and H atoms or of a substituent in a diamondoid or the stereochemical relationships between substituents, only the IUPAC polycycle nomenclature (von Baeyer nomenclature) provides the unique solution. This is so since each IUPAC name is associated with a unique atom numbering scheme. Diamondoids are classified into catamantanes (which can be regular or irregular), perimantanes, and coronamantanes. Regular catamantanes have molecular formulas C 4n+6H4n+12. Among regular catamantanes, the rigid blade-shaped zigzag catamantanes (so called because their dualists consist of a zigzag line with a code of alternating digits 1 and 2) exhibit a simple pattern in their von Baeyer nomenclature. Their carbon atoms form a main ring with 4n + 4 atoms, and the remaining atoms form two 1-carbon bridges. All zigzag [n]catamantanes with n > 2 have quaternary carbon atoms, and the first bridgehead in the main ring is such an atom. Their partitioned formula is C n-2(CH)2n+4(CH2) n+4. As a function of their parity, IUPAC names based on the von Baeyer approach have been devised for all zigzag catamantanes, allowing the unique location for every C and H atom. The dualist of such a zigzag catamantane defines a plane bisecting the molecule, and the stereochemical features of hydrogens attached to secondary carbon atoms can be specified relatively to that plane. © 2013 Versita Warsaw and Springer-Verlag Wien.

KW - Chemistry

KW - Catamantanes

KW - Diamondoids

KW - Dualists

KW - IUPAC nomenclature

UR - http://www.scopus.com/inward/record.url?scp=84879824697&partnerID=8YFLogxK

UR - https://www.mendeley.com/catalogue/018d4221-11bc-39b7-b62a-cf7c3c7cdfec/

U2 - 10.2478/s11532-013-0275-7

DO - 10.2478/s11532-013-0275-7

M3 - Journal articles

VL - 11

SP - 1423

EP - 1430

JO - Central European Journal of Chemistry

JF - Central European Journal of Chemistry

SN - 1895-1066

IS - 9

ER -

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