Read e-book online Chemistry of Heterocyclic Compounds: The Pyrimidines, PDF

February 1, 2018 | General Reference | By admin | 0 Comments

By Desmond J. Brown

ISBN-10: 0470186763

ISBN-13: 9780470186763

ISBN-10: 0471381160

ISBN-13: 9780471381167

Drawing from over 2,500 papers, this quantity gets rid of the necessity for time-consuming literature surveys for pyrimidines from 1970 via 1983. Chapters summarize the most important advances in pyrimidine chemistry, element advances in tools of fundamental synthesis of pyrimidines, replace all features of hydropyrimidines, and deal with fresh advances within the ionization and spectra of pyrimidines.Content:
Chapter I creation to the Pyrimidines (H 1) (pages 1–19):
Chapter II The crucial man made approach (pages 20–52):
Chapter III different equipment of basic Synthesis (H eighty two) (pages 53–85):
Chapter IV Pyrimidine and Its C?Alkyl and C?Aryl Derivatives (H 116) (pages 86–93):
Chapter V Nitro?, Nitroso?, and Arylazo?Pyrimidines (H 138) (pages 93–109):
Chapter VI Halogenopyrimidines (H 162) (pages 110–165):
Chapter VII Hydroxy? and Alkoxy?Pyrimidines (H 227) (pages 166–201):
Chapter VIII Sulphur?Containing Pyrimidines (H 272) (pages 202–229):
Chapter IX The Aminopyrimidines (H 306) (pages 230–268):
Chapter X The N?Alkylated Pyrimidines and the Pyrimidine?N?Oxides (H 356) (pages 269–295):
Chapter XI The Pyrimidine Carboxylic Acids and comparable Derivatives (H 389) (pages 296–321):
Chapter XII The diminished Pyrimidines (H 430) (pages 322–367): R. F. Evans
Chapter XIII The Ionization and Spectra of Pyrimidines (H 464) (pages 368–398):

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Extra info for Chemistry of Heterocyclic Compounds: The Pyrimidines, Supplement 1, Volume 16

Example text

351g 3. 2174 This group also contains examples of the formation of 5-ethoxycarbonylpyrimidines. , using N-alkyl derivatives of urealol and (see H 43, 48). The structural veracity of some of the pyrimidine esters above were incidentally proven 2177 by their hydrolysis to known carboxylic acids. Attention has been drawn 2178 to benzylideneaminoguanidine (8) which condenses 527 with formylacetone to yield 2-hydrazino-4-methylpyrimidine, presumably uia its benzylidene derivative ; this appears to be the first hydrazinopyrimidine to be made by a Principal Synthesis.

2307 21 16 2193 2874 2183 2198 2227 2226 (continued) 4-ethoxycarbonyl-22517 ethylthio-5-fluoro-6hydroxy-h (I 0%) 5-acetamido-4-hydroxy-62223 methyl-2-methylthio- (3573 4-hydroxy-2-mercapto-6methyl- (80%) 4-hydroxy-2-mercapto-5methoxy-6-methoxymethyl- (667,) 2,4-dihydroxy-5,6-tetramethyleneJ (367,) 4-hydroxy-2-mercapto-6methyl-5-phenylazo- 6-heptadecyl-4-hydroxy-2mercapto- (93%) 5-hexyl-4-hydroxy-22204, mercapt0-6-rnethyl-~(48 yo) 2225 2-fluoromethyl-4-hydroxy-6methyl- (ca. ; reflux ethanol; sodium ethoxide ; reflux; 3 hr.

2,4,6-trimethoxypyrimidine-5-nitrile oxide (79),2815,3518 5. Physical Properties of Pyrimidines ( H 26) Numerous ionization constants, ultra-violet spectra, and infra-red spectra for pyrimidines continue to be recorded and used. However, since no new principles have emerged of recent years, only a suppleFHzCOzMe OMe Me0 OMe (79) mentary list of pK, values appears in Chapter XIII, but the ionization of hydropyrimidines is discussed briefly (Ch. XII, Sect. A). In contrast, the last ten years has seen the first harvest of nuclear magnetic resonance and mass spectral results relevant to pyrimidines.

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Chemistry of Heterocyclic Compounds: The Pyrimidines, Supplement 1, Volume 16 by Desmond J. Brown

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