ChemInform Abstract: Ring Transformations of Heterocyclic Compounds. Part 16. Spiro[cyclohexadiene-dihydroacridines]. A Novel Class of Spirodihydroacridines by Ring Transformation of Pyrylium Salts with 9-Methylacridine and Its Quaternary Salts.

T. ZIMMERMANN; U. ABRAM; K. SCHMIDT

doi:10.1002/chin.199902150

ChemInform Abstract: Ring Transformations of Heterocyclic Compounds. Part 16. Spiro[cyclohexadiene-dihydroacridines]. A Novel Class of Spirodihydroacridines by Ring Transformation of Pyrylium Salts with 9-Methylacridine and Its Quaternary Salts.

ChemInform ◽

10.1002/chin.199902150 ◽

2010 ◽

Vol 30 (2) ◽

pp. no-no

Author(s):

T. ZIMMERMANN ◽

U. ABRAM ◽

K. SCHMIDT

Keyword(s):

Heterocyclic Compounds ◽

Ring Transformation ◽

Pyrylium Salts ◽

Quaternary Salts ◽

Ring Transformations

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ChemInform Abstract: Ring Transformations of Heterocyclic Compounds. Part 18. Spiro[cyclohexadiene-indolines] with Three Stereocenters from Pyrylium Salts and Chiral Methyleneindolines - An Example of a High Diastereoselective Ring Transformation.

ChemInform ◽

10.1002/chin.200014103 ◽

2010 ◽

Vol 31 (14) ◽

pp. no-no

Author(s):

Thomas Zimmermann ◽

Ulrich Abram

Keyword(s):

Heterocyclic Compounds ◽

Ring Transformation ◽

Pyrylium Salts ◽

Ring Transformations

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ChemInform Abstract: Ring Transformations of Heterocyclic Compounds. Part 20. Benzo-fused Spiro[cyclohexadiene-dihydroindoles] by Ring Transformation of Pyrylium Salts with Anhydrobases of Benzo[e]- and Benzo[g]indolium Salts.

ChemInform ◽

10.1002/chin.200102117 ◽

2001 ◽

Vol 32 (2) ◽

pp. no-no

Author(s):

Thomas Zimmermann

Keyword(s):

Heterocyclic Compounds ◽

Ring Transformation ◽

Pyrylium Salts ◽

Ring Transformations

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Ring transformations of heterocyclic compounds. XVIII . Spiro[cyclohexadiene-indolines] with three stereocenters from pyrylium salts and chiral methyleneindolines - an example of a high diastereoselective ring transformation

Journal of Heterocyclic Chemistry ◽

10.1002/jhet.5570360518 ◽

1999 ◽

Vol 36 (5) ◽

pp. 1223-1230 ◽

Cited By ~ 7

Author(s):

Thomas Zimmermann ◽

Ulrich Abram

Keyword(s):

Heterocyclic Compounds ◽

Ring Transformation ◽

Pyrylium Salts ◽

Ring Transformations

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Ring transformations of heterocyclic compounds.XVI. Spiro[cyclohexadiene-dihydroacridines]. A novel class of spirodihydroacridines by ring transformation of pyrylium salts with 9-methylacridine and its quaternary salts

Journal of Heterocyclic Chemistry ◽

10.1002/jhet.5570350403 ◽

1998 ◽

Vol 35 (4) ◽

pp. 787-793 ◽

Cited By ~ 8

Author(s):

Thomas Zimmermann ◽

Ulrich Abram ◽

Klaus Schmidt

Keyword(s):

Ring Transformation ◽

Pyrylium Salts ◽

Quaternary Salts ◽

Ring Transformations

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ChemInform Abstract: Ring Transformations of Heterocyclic Compounds. Part 25. Phenanthrene Aldehyde Imines (III) via Ring Transformation of Pyrylium Salts with Methylenedihydroisoquinolines - A Novel Access to the Phenanthrene Skeleton.

ChemInform ◽

10.1002/chin.200803093 ◽

2008 ◽

Vol 39 (3) ◽

Author(s):

Thomas Zimmermann ◽

Harald Krautscheid

Keyword(s):

Heterocyclic Compounds ◽

Ring Transformation ◽

Pyrylium Salts ◽

Ring Transformations

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ChemInform Abstract: Ring Transformations of Heterocyclic Compounds. Part 9. Trifluoromethyl Substituted 2-Amino-3,4,6-triarylbenzophenones by Ring Transformation of 2,4,6-Triarylpyrylium Salts with Trifluoromethylbenzyl Cyanides.

ChemInform ◽

10.1002/chin.199512115 ◽

2010 ◽

Vol 26 (12) ◽

pp. no-no

Author(s):

T. ZIMMERMANN

Keyword(s):

Heterocyclic Compounds ◽

Ring Transformation ◽

Ring Transformations

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ChemInform Abstract: Ring Transformations of Heterocyclic Compounds. Part 12. Novel Spiroindolines via Ring Transformation of 2,4,6-Triarylpyrylium Salts with 2-Methyleneindolines.

ChemInform ◽

10.1002/chin.199545136 ◽

2010 ◽

Vol 26 (45) ◽

pp. no-no

Author(s):

T. ZIMMERMANN ◽

M. PINK

Keyword(s):

Heterocyclic Compounds ◽

Ring Transformation ◽

Ring Transformations

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ChemInform Abstract: Ring Transformations of Heterocyclic Compounds. Part 19. Spiro[dihydropyridine-indolines] Novel Heterocycles with Two Spiro-Condensed N-Containing Subunits Easy Accessible by 1,3-Oxazinium Ring Transformation.

ChemInform ◽

10.1002/chin.200108161 ◽

2001 ◽

Vol 32 (8) ◽

pp. no-no

Author(s):

Thomas Zimmermann ◽

Ulrich Abram

Keyword(s):

Heterocyclic Compounds ◽

Ring Transformation ◽

Ring Transformations

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ChemInform Abstract: Ring Transformations of Heterocyclic Compounds. Part 21. Diastereoselective Built-up of an Aroylcyclohexadiene Moiety as Second Spiro-connected Ring at Spiroindolines by Pyrylium Ring Transformation.

ChemInform ◽

10.1002/chin.200238101 ◽

2010 ◽

Vol 33 (38) ◽

pp. no-no

Author(s):

Thomas Zimmermann

Keyword(s):

Heterocyclic Compounds ◽

Ring Transformation ◽

Ring Transformations

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Ring transformations in reactions of heterocyclic compounds with nucleophiles. Part 26. 1,3- and 1,4-Cyclo adducts as intermediates in the pyrimidine to pyridine ring transformation of 5-nitropyrimidines by .alpha.-phenylacetamidines

The Journal of Organic Chemistry ◽

10.1021/jo00164a007 ◽

1983 ◽

Vol 48 (16) ◽

pp. 2667-2671 ◽

Cited By ~ 17

Author(s):

Valery N. Charushin ◽

Henk C. Van der Plas

Keyword(s):

Heterocyclic Compounds ◽

Pyridine Ring ◽

Ring Transformation ◽

Ring Transformations

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