The mass spectral fragmentation of isoxazolyldihydropyridines

Gary Knerr; John I. Mckenna; David A. Quincy; N. R. Natale

doi:10.1002/jhet.5570240541

The mass spectral fragmentation of isoxazolyldihydropyridines

Gary Knerr, John I. Mckenna, David A. Quincy, N. R. Natale

University of Idaho

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Abstract

The mass spectral fragmentation of 4‐isoxazolyl‐1,4‐dihydropyridines has been examined with the aid of linked metastable scanning. Three prominent pathways involve (i) O‐N bond cleavage of the isoxazole followed by the loss of R²CN, (ii) loss of carboalkoxy from the 3‐ and/or 5‐ position of the dihydropyridine and, (iii) loss of the 4‐isoxazolyl‐substituent.

Original language	English
Pages (from-to)	1429-1433
Number of pages	5
Journal	Journal of Heterocyclic Chemistry
Volume	24
Issue number	5
DOIs	https://doi.org/10.1002/jhet.5570240541
State	Published - 1987

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title = "The mass spectral fragmentation of isoxazolyldihydropyridines",

abstract = "The mass spectral fragmentation of 4‐isoxazolyl‐1,4‐dihydropyridines has been examined with the aid of linked metastable scanning. Three prominent pathways involve (i) O‐N bond cleavage of the isoxazole followed by the loss of R2CN, (ii) loss of carboalkoxy from the 3‐ and/or 5‐ position of the dihydropyridine and, (iii) loss of the 4‐isoxazolyl‐substituent.",

author = "Gary Knerr and Mckenna, {John I.} and Quincy, {David A.} and Natale, {N. R.}",

year = "1987",

doi = "10.1002/jhet.5570240541",

language = "English",

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pages = "1429--1433",

journal = "Journal of Heterocyclic Chemistry",

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T1 - The mass spectral fragmentation of isoxazolyldihydropyridines

AU - Knerr, Gary

AU - Mckenna, John I.

AU - Quincy, David A.

AU - Natale, N. R.

PY - 1987

Y1 - 1987

N2 - The mass spectral fragmentation of 4‐isoxazolyl‐1,4‐dihydropyridines has been examined with the aid of linked metastable scanning. Three prominent pathways involve (i) O‐N bond cleavage of the isoxazole followed by the loss of R2CN, (ii) loss of carboalkoxy from the 3‐ and/or 5‐ position of the dihydropyridine and, (iii) loss of the 4‐isoxazolyl‐substituent.

AB - The mass spectral fragmentation of 4‐isoxazolyl‐1,4‐dihydropyridines has been examined with the aid of linked metastable scanning. Three prominent pathways involve (i) O‐N bond cleavage of the isoxazole followed by the loss of R2CN, (ii) loss of carboalkoxy from the 3‐ and/or 5‐ position of the dihydropyridine and, (iii) loss of the 4‐isoxazolyl‐substituent.

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U2 - 10.1002/jhet.5570240541

DO - 10.1002/jhet.5570240541

M3 - Article

AN - SCOPUS:0023620192

SN - 0022-152X

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SP - 1429

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JO - Journal of Heterocyclic Chemistry

JF - Journal of Heterocyclic Chemistry

IS - 5

ER -

The mass spectral fragmentation of isoxazolyldihydropyridines

Abstract

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