PUBLICATIONS between 1980 and 1993

F. Magirius, A. Linden and H. Heimgartner,
Umsetzung von 3-Amino-2H-azirinen mit Salicylohydrazid,
Helv.Chim.Acta, 1993, 76, 1980-2003.

G. Mloston, J. Romanski, A. Linden and H. Heimgartner,
Thiocarbonyl Imides from the Reaction of 2,2,4,4-Tetramethyl-3-thioxocyclobutanone and Aryl Azides,
Helv.Chim.Acta, 1993, 76, 2147-2154.

M. Schlaepfer-Daehler and H. Heimgartner,
Ring-Transformationen bei der Umsetzung von 3-(Dimethylamino)-2,2-dimethyl-2H-azirin mit 1-substituierten Imidazolidin-2,4,5-trionen,
Helv.Chim.Acta, 1993, 76 (6), 2321-2328.

M. Schlaepfer-Daehler and H. Heimgartner,
Ring Enlargement of Six- to Nine-Membered Heterocycles: Reaction of 3-(Dimethylamino)-2,2-dimethyl-2H-azirine with 3,4-Dihydro-2H-1,2,4-benzothiadiazin-3-one 1,1-Dioxides,
Helv.Chim.Acta, 1993, 76 (6), 2398-2406.

M. I. G. Trimino, A. Linden, H. Heimgartner and A. M. Cabrera,
202. 3-(Acylamino)-3-amino-2-nitroacrylonitriles from N-Acyl-S-methyl-3,3-diamino-2-nitroacrylthioimidates,
Helv.Chim.Acta, 1993, 76 (8), 2817-2829.

J. M. Villalgordo and H. Heimgartner,
203. A Novel Synthesis of 2,2-Disubstituted 3-Amino-2H-azirines Based on the Reaction between Amide Enolates and Diphenyl Phosphorochloridate,
Helv.Chim.Acta, 1993, 76 (8), 2830-2837.

J. M. Villalgordo and H. Heimgartner,
Synthesis of a Novel Heterospirocyclic 3-(N-Methyl-N-phenylamino)-2H-azirine and its use as an Amino cid Equivalent in the Preparation of a Model Tripeptide,
Tetrahedron, 1993, 49 (33), 7215-7222.

G. Mloston and H. Heimgartner,
Reaction of 2-Diazopropane and 1,3-Thiazole-5(4H)-thiones,
Helv.Chim.Acta, 1992, 75 (6), 1825-1833.

D. Obrecht, C. Spiegler, P. Schoenholzer, K. Mueller, H. Heimgartner and F. Stierli,
A New General Approach to Enantiomerically Pure Cyclic and Open-Chain (R)- and (S)-a,a-Disubstituted a-Amino Acids,
Helv.Chim.Acta, 1992, 75 (5), 1666-1696.

A. S. Orahovats, A. Linden and H. Heimgartner,
A Ring-Enlargement Reaction Yielding 1,2,5-Benzothiadiazonin-6-one 1,1-Dioxides,
Helv.Chim.Acta, 1992, 75 (8), 2515-2519.

M. Schlaepfer-Daehler, G. Mukherjee-Mueller and H. Heimgartner,
Ring-Transformation of Imidazolidine-2,4-diones ( = Hydantoins ) to 4H-Imidazoles in the Reaction with 3-(Dimethylamino)-2,2-dimethyl-2H-azirines,
Helv.Chim.Acta, 1992, 75, 1251-1261.

L. S. Trifonov, A. S. Orahovats, A. Linden and H. Heimgartner,
Carbonyliron Complexation and Carbonyl Insertion of Allenic Ketones,
Helv.Chim.Acta, 1992, 75 (6), 1872-1879.

J. M. Villalgordo and H. Heimgartner,
Reaction of Diphenyl Phosphorochloridate with Amide Enolates: A New and Convenient Synthesis of 2-Monosubstituted 3-(N-Methyl-N-phenylamino)-2H-azirines,
Helv.Chim.Acta, 1992, 75 (6), 1866-1871.

J. M. Villalgordo, A. Linden and H. Heimgartner,
170. Reactions of 2-Monosubstituted 3-Amino-2H-azirines with NH-Acidic Heterocycles,
Helv.Chim.Acta, 1992, 75 (7), 2270-2282.

H. Heimgartner,
Addition Reactions With 1,3-Thiazole-5(4h)-Thiones; Synthesis of Spirocyclic and Fused Bicyclic Sulfur Heterocycles,
Phosphorus Sulfur Silicon Relat.Elem., 1991, 58 (1-4), 281-293.

H. Heimgartner,
3-Amino-2H-azirine, Bausteine fuer a,a-disubstituierte a-Aminosaeuren in Heterocyclen- und Peptidsynthesen,
Angew.Chem., 1991, 103 (3), 271-297.

T. R. Mihova, L. S. Trifonov, V. S. Dimitrov, A. S. Orahovats, A. Linden and H. Heimgartner,
96. New Polycyclic Compounds from Photochemical Rearrangements of Some Substituted 2-Azatricyclo<5.2.2.01,5>undeca-4,8,10-trien-3-ones,
Helv.Chim.Acta, 1991, 74 (5), 1011-1026.

G. Mloston, A. Linden and H. Heimgartner,
Regioselective 1,3-Dipolar Cycloadditions of Thiocarbonyl Ylides with 1,3-Thiazole-5(4H)-thiones,
Helv.Chim.Acta, 1991, 74 (7), 1386-1398.

V. Oremus, A. Linden and H. Heimgartner,
1,3-Oxathiolane Synthesis: Spirocyclic 1,3-Oxathiolanes from the Lewis-Acid-Catalyzed Reaction of Cyclic Trithiocarbonates and Oxiranes,
Helv.Chim.Acta, 1991, 74 (7), 1500-1510.

A. Rahm, A. Linden, B. R. Vincent, H. Heimgartner, M. Muehlstaedt and B. Schulze,
95. Ring Enlargement of 1,2-Thiazol-3(2H)-one-1,1-dioxides and 3-Amino-2H-azirines to 4H-1,2,5-Thiadiazocin-6-one-1,1-dioxides,
Helv.Chim.Acta, 1991, 74 (5), 1002-1010.

B. Schulze, G. Kirsten, S. Kirrbach, A. Rahm and H. Heimgartner,
Oxidation of 1,2-Thiazoles: A Convenient Approach to 1,2-Thiazol-3(2H)-one 1,1-Dioxides,
Helv.Chim.Acta, 1991, 74 (5), 1059-1070.

S. M. Ametamey and H. Heimgartner,
61. Reaction of 3-(Dimethylamino)-2H-azirines with 1,3-Benzoxazole-2(3H)-thione,
Helv.Chim.Acta, 1990, 73 (3), 599-607.

S. M. Ametamey and H. Heimgartner,
60. Reaction of 3-(Dimethylamino)-2H-azirines with 1,3-Oxazolidine-2-thione to 3-(2-Hydroxyethyl)-2-thiohydantoins,
Helv.Chim.Acta, 1990, 73 (3), 594-598.

S. M. Ametamey and H. Heimgartner,
Ring Enlargements and Ring Contractions in the Reaction of 1,3-Oxazolidine-2,4-diones and 1,3-Thiazolidine-2,4-dione with 3-Amino-2H-azirines,
Helv.Chim.Acta, 1990, 73, 1314-1328.

S. M. Ametamey, B. R. Vincent and H. Heimgartner,
Dipolar 1:1 Adducts from the Reaction of 3-Amino-2H-azirines with 1,3,4-Oxadiazol- and 1,3,4-Thiadiazol-2(3H)-ones,
Helv.Chim.Acta, 1990, 73, 492-507.

U. Heimgartner, M. Pietrzak, R. Geertsen, P. Brodelius, A. C. D. S. Figueiredo and M. S. S. Pais,
Purification and Partial Characterization of Milk Clotting Proteases From Flowers of Cynara Cardunculus,
Phytochemistry, 1990, 29 (5), 1405-1410.

D. Obrecht and H. Heimgartner,
Synthese cyclischer Depsipeptide durch direkte Amid-Cyclisierung: 12gliedrige Depsipeptide mit alternierender Sequenz von a-Hydroxy- und a-Aminosaeuren,
Helv.Chim.Acta, 1990, 73 (1), 221-228.

M. Schlaepfer-Daehler and H. Heimgartner,
Reactions of 3-(Dimethylamino)-2,2-dimethyl-2H-azirines with Barbituric-Acid Derivatives,
Helv.Chim.Acta, 1990, 73 (8), 2275-2286.

L. S. Trifonov, A. S. Orahovats and H. Heimgartner,
157. Carbonyliron Complexes of Allenic Acids, Esters, Amides and Imides,
Helv.Chim.Acta, 1990, 73 (6), 1734-1741.

P.-C. Tromm and H. Heimgartner,
A New 1,3-Oxathiolane Synthesis: Spirocyclic 1,3-Oxathiolanes from the Lewis-Acid-Catalyzed Reaction of 1,3-Thiazole-5(4H)-thiones and Oxiranes,
Helv.Chim.Acta, 1990, 73 (8), 2287-2294.

J. M. Villalgordo, B. R. Vincent and H. Heimgartner,
Reaction of 3-Amino-2H-azirines with 2-Amino-4,6-dinitrophenol (Picramic Acid): Synthesis of Quinazoline- and 1,3-Benzoxazole Derivatives,
Helv.Chim.Acta, 1990, 73 (4), 959-974.

P. Wipf and H. Heimgartner,
2. Synthesis of Peptides Containing a,a-Disubstituted a-Amino Acids by the Azirine/Oxazolone Method: The (12-20)-Nonapeptide of the Ionophore Alamethicin,
Helv.Chim.Acta, 1990, 73 (1), 13-24.

N. Bozhkova and H. Heimgartner,
Synthesis of 4-Alkoxy-1,3-oxazol-5(2H)-ones, Precursors of 1-Alkoxy-Substituted Nitrile Ylides,
Helv.Chim.Acta, 1989, 72, 825-837.

M. Hugener and H. Heimgartner,
Eine neue Aminoazirin-Reaktion. Bildung von 3,6-Dihydropyrazin-2(1H)-onen,
Helv.Chim.Acta, 1989, 72, 172-179.

C. Jenny and H. Heimgartner,
Formation of Methyl 5,6-Dihydro-1,3(4H)-thiazine-4-carboxylates from 4-Allyl-1,3-thiazol-5(4H)-ones,
Helv.Chim.Acta, 1989, 72, 1639-1646.

C. v. Jenny, P. Wipf and H. Heimgartner,
Radical Cyclizations of Alkenyl-Substituted 4,5-Dihydro-1,3-thiazole-5-thiols,
Helv.Chim.Acta, 1989, 72, 838-846.

M. Sahebi, P. Wipf and H. Heimgartner,
3-AMINO-2H-AZIRINES IN THE SYNTHESIS OF PEPTIDES: TETRAPEPTIDES WITH a,a-DISUBSTITUTED a-AMINO ACIDS,
Tetrahedron, 1989, 45 (10), 2999-3010.

S. M. Ametamey, R. Hollenstein and H. Heimgartner,
15N-Labelled 3-(Dimethylamino)-2,2-dimethyl-2H-azirine for Mechanistic Studies of Reactios with NH-Acidic Heterocycles,
Helv.Chim.Acta, 1988, 71, 521-530.

J.-P. Obrecht, P. Schoenholzer, C. J. Jenny, R. Prewo and H. Heimgartner,
143. The Reaction of 3-(Dimethylamino)-2H-azirines with 2,3-Pyridinedicarboximide,
Helv.Chim.Acta, 1988, 71, 1319-1327.

S. Pekcan and H. Heimgartner,
N-(1,3-Thiazol)-5(4H)-ylidene)amines via 1,3-Dipolar Cycloaddition of Azides and 1,3-Thiazol-5(4H)-thiones,
Helv.Chim.Acta, 1988, 71, 1673-1680.

L. S. Trifonov, A. S. Orahovats, R. Prewo and H. Heimgartner,
Synthesis and Structure of Carbonyliron Complexes of Allenecarboxylates and Allenic Lactones,
Helv.Chim.Acta, 1988, 71, 551-561.

P. Tromm and H. Heimgartner,
218. Hetero-Diels-Alder Reaction with 1,3-thiazol-5(4H)-Thiones,
Helv.Chim.Acta, 1988, 71, 2071-2084.

P. Wipf and H. Heimgartner,
Conformational Analysis of Tripeptide Models: The Influence of a,a-disubstituted a-Amino Acids on the Secondary Structure. NMR and CD Investigations,
Helv.Chim.Acta, 1988, 71, 258-267.

P. Wipf and H. Heimgartner,
The Azirine/Oxazolone Method in Peptide Chemistry: Synthesis of Tripeptide Models,
Helv.Chim.Acta, 1988, 71, 140-154.

P. Wipf, R. W. Kunz, R. Prewo and H. Heimgartner,
Conformational Analysis of Tripeptide Models: The Influence of a,a-disubstituted a-Amino Acids on the Secondary Structure. X-Ray Analysis and Conformational Energy Calculations,
Helv.Chim.Acta, 1988, 71, 268-273.

P. Wipf, R. Prewo, J. H. Bieri, G. Germain and H. Heimgartner,
Thermal Generation and Reactions of (Benzylthio)- and (Arylthio)-Substituted Nitrile Ylides,
Helv.Chim.Acta, 1988, 71, 1177-1190.

D. Obrecht and H. Heimgartner,
3-(Dimethylamino)-2,2-dimethyl-2H-azirine as an a-Aminoisobutyric-Acid (Aib) Equivalent: Cyclic Depsipeptides via Direct Amide Cyclization,
Helv.Chim.Acta, 1987, 70, 329-338.

D. Obrecht and H. Heimgartner,
3-(Dimethylamino)-2,2-dimethyl-2H-azirine as an Aib Equivalent; Synthesis of Aib Oligopeptides,
Helv.Chim.Acta, 1987, 70, 102-115.

L. S. Trifonov, A. S. Orahovats and H. Heimgartner,
Octacarbonyldicobalt-Induced (1,3) H Shifts in 1-Methylallenecarboxylates and Allenic Lactones,
Helv.Chim.Acta, 1987, 70, 1070-1075.

P. Wipf and H. Heimgartner,
Formation of Tricyclic Thietane Derivatives via Intramolecular (2+2) Cycloaddition,
Helv.Chim.Acta, 1987, 70, 992-994.

P. Wipf and H. Heimgartner,
Selective Amide Cleavage in Peptides Containing a,a-Disubstituted a-Amino Acids,
Helv.Chim.Acta, 1987, 70, 354-368.

P. Wipf, C. Jenny and H. Heimgartner,
2,4-Bis(4-methylphenylthio)-1,3,2l5,4l5-dithiadiphosphetane-2,4-dithione: A New Reagent for Thiation of N,N-Disubstituted Amides,
Helv.Chim.Acta, 1987, 70, 1001-1011.

P. Wipf, R. Prewo, J. H. Bieri, H. Heimgartner, V. Nastopoulos and G. Germain,
Synthese von 4-Benzylthio- und 4-(Arylthio)-1,3-oxazol-5(2H)-onen,
Helv.Chim.Acta, 1987, 70, 1380-1388.

v. S. M. Ametamey, R. Prewo, J. H. Bieri, H. Heimgartner and J. P. Obrecht,
Reaction of 3-(Dimethylamino)-2H-azirines with 1,3-Thiazolidine-2-thione,
Helv.Chim.Acta, 1986, 69, 2013-2025.

B. Hostettler, J. P. Obrecht, R. Prewo, J. H. Bieri and H. Heimgartner,
5,6,7,8-Tetrahydro-4H-1,2,5-oxadiazocin-6-ones, Ring Enlargement Products from a 3-Isoxazolidinone and 3-Amino-2H-azirines,
Helv.Chim.Acta, 1986, 69, 298-304.

C. Jenny and H. Heimgartner,
1,4-Dithiafulvenes, Products of the Reaction of 4,4-Disubstituted 1,3-Thiazol-5(4H)-thiones and Acetylenic Compounds,
Helv.Chim.Acta, 1986, 69, 419-429.

C. Jenny and H. Heimgartner,
Synthesis of 4,4-Disubstituted 1,3-Thiazol-5(4H)-thiones,
Helv.Chim.Acta, 1986, 69, 374-388.

C. Jenny and H. Heimgartner,
Reactions of 1,3-Thiazole-5(4H)-thiones with Grignard- and Organolithium Compounds: Carbophilic and Thiophilic Additions,
Helv.Chim.Acta, 1986, 69, 773-785.

C. Jenny, R. Prewo, J. H. Bieri and H. Heimgartner,
Synthesis of (Methylthio)penam Derivatives via Keten Addition onto 4,5-Dihydro-5-(methylthio)-1,3-thiazoles,
Helv.Chim.Acta, 1986, 69, 1424-1434.

C. Jenny, P. Wipf and H. Heimgartner,
Carbophilic Additions of Organocuprates and 1,3-Thiazole-5(4H)-thiones,
Helv.Chim.Acta, 1986, 69, 1837-1843.

C. v. Jenny and H. Heimgartner,
Additionsreaktion von 1,3-Thiazol-5(4H)-thionen und Inaminen; Bildung von Thioamidin und Thioketonen,
Helv.Chim.Acta, 1986, 69, 174-183.

v. H. Meier and H. Heimgartner,
Intramolecular 1,3-Dipolar Cycloaddition Reactions of Alkenyl-substituted 3,4-Diarylsydnones,
Helv.Chim.Acta, 1986, 69, 927-940.

L. S. Trifonov, A. S. Orahovats, R. Prewo, J. H. Bieri and H. Heimgartner,
A Novel Photochemical Rearrangement of Allenic Esters,
J.Chem.Soc.Chem.Commun., 1986, 9, 708-709.

P. Wipf and H. Heimgartner,
Kupplung von Peptiden mit C-terminalen a,a-disubstituierten a-Aminosaeuren via Oxazol-5(4H)-one,
Helv.Chim.Acta, 1986, 69, 1153-1162.

J. Lukac and H. Heimgartner,
Rearrangements of (2'-Propinyl)cyclohexadienols and -semibenzenes,
Helv.Chim.Acta, 1985, 68, 355-370.

H. Meier and H. Heimgartner,
Intramolekulare 1,3-dipolare Cycloadditionen von Diarylnitriliminen aus 2,5-Diaryltetrazolen,
Helv.Chim.Acta, 1985, 68, 1283-1300.

D. Obrecht, B. Scholl and H. Heimgartner,
Synthese von 3,3-Dimethylperhydro-1,4-diazepin-2,5,7-trionen aus 3-Dimethylamino-2,2-dimethyl-2H-azirin und Malonsaeuremonoamiden,
Helv.Chim.Acta, 1985, 68, 465-474.

T. v. Buechel, R. Prewo, J. H. Bieri and H. Heimgartner,
62. 1,3-Dipolare Cycloadditionen von Nitrilium-Betainen mit 4,4-Dimethyl-2-phenyl-2-thiazolin-5-thion,
Helv.Chim.Acta, 1984, 67 (62), 534-549.

D. Obrecht and H. Heimgartner,
Eine Neue Lactonsynthese Via 2-Oxazolin-5-One Als Zwischenprodukte,
Tetrahedron Lett., 1984, 25 (16), 1717-1720.

D. Obrecht and H. Heimgartner,
61. Synthese eines cyclischen Depsipeptides mittels Amidcyclisierung,
Helv.Chim.Acta, 1984, 67 (61), 526-533.

M. Schlaepfer-Daehler, R. Prewo, J. H. Bieri and H. Heimgartner,
Synthesis and Structure of a 1,2,5,7-Benzothiatriazonine,
Heterocycles, 1984, 22 (8), 1667-1672.

F. Stierli, R. Prewo, J. H. Bieri and H. Heimgartner,
Synthesys and Structure of Zinc Complexes of 2-Amino-1-azetines,
Helv.Chim.Acta, 1984, 67, 927-933.

W. Summermatter and H. Heimgartner,
Eine thermische, intramolekulare <2+2>-Cycloaddition eines Allenyl-allyl-benzols; Synthese von Allenylbenzolen durch saeurekatalysierte Dienol-Benzol-Umlagerung,
Helv.Chim.Acta, 1984, 67, 1298-1309.

P. Wipf and H. Heimgartner,
Synthese Von 4-Arylthio-3-Oxazolin-5-Onen,
Tetrahedron Lett., 1984, 25 (45), 5127-5128.

M. Daehler, R. Prewo, J. H. Bieri and H. Heimgartner,
Cyclols as Intermediates in the Reaction of 3-(Dimethylamino)-2,2-dimethyl-2H-azirine with Monosubstituted Parabanic Acids; a New and Unexpected Rearrangement,
Helv.Chim.Acta, 1983, 66 (5), 1456-1465.

K. Dietliker and H. Heimgartner,
Photochemically Induced Reactions of 3-Amino-2H-azirines,
Helv.Chim.Acta, 1983, 66 (1), 262-295.

D. Obrecht and H. Heimgartner,
3-DIMETHYLAMINO-2,2-DIMETHYL-2H-AZIRIN ALS Aib-AEQUIVALENT BEI HETEROCYCLENSYNTHESEN; SYNTHESE VON 6-, 9-, 12- UND 15-GLIEDRIGEN RINGEN,
Tetrahedron Lett., 1983, 24 (18), 1921-1924.

W. Stegmann, P. Uebelhart and H. Heimgartner,
Spirocyclische 3-Oxazoline durch 1,3-dipolare Cycloaddition von Benzonitrilio-2-propanid mit 1,4-Chinonen,
Helv.Chim.Acta, 1983, 66 (7), 2252-2268.

F. Stierli, R. Prewo, J. H. Bieri and H. Heimgartner,
Addition Reactions of 2-Amino-1-azetines with Cyclopropenones; Formation of Azepine Derivatives by Ring Expansion Reactions,
Helv.Chim.Acta, 1983, 66 (5), 1366-1375.

B. P. Chandrasekhar, J. H. Bieri, H. Heimgartner, G. Germain and J.-P. Declercq,
An Unexpected Reaction of a 3-Amino-2h-Azirine With 1,3-Benzoxazin-2,4-Dione,
Heterocycles, 1982, 19 (11), 2079-2085.

M. Daehler, R. Prewo, J. H. Bieri and H. Heimgartner,
Reaktion von 3-Dimethylamino-2,2-dimethyl-2H-azirin mit 6-Methyluracil; Kristallstruktur der Reaktionsprodukte,
Helv.Chim.Acta, 1982, 65 (7), 2302-2312.

A. Inada and H. Heimgartner,
Transition Metal Catalyzed Addition Reactions of 3-Phenyl-2H-azirines and Alkyl Acetylene Carboxylates,
Helv.Chim.Acta, 1982, 65 (5), 1489-1498.

C. Jenny, D. Obrecht and H. Heimgartner,
1,6-Dithia-Spiro<4.4>Nonadiene Aus 2-Thiazolin-5-Thionen,
Tetrahedron Lett., 1982, 23 (30), 3059-3060.

C. Jenny, D. Obrecht and H. Heimgartner,
Additionsreaktionen von 2-Thiazolin-5-thionen mit Acetylenen,
Helv.Chim.Acta, 1982, 65 (8), 2583-2586.

D. Obrecht, R. Prewo, J. H. Bieri and H. Heimgartner,
1,3-Dipolare Cycloadditionen von 2-(Benzonitrilio)-2-propanid mit 4,4-Dimethyl-2-phenyl-2-thiazolin-5-thion und Schwefelkohlenstoff,
Helv.Chim.Acta, 1982, 65 (6), 1825-1836.

H. Link, K. Bernauer, J. J. Daly, S. Chaloupka and H. Heimgartner,
Reaktion von 3-Dimethylamino-2,2-dimethyl-2H-azirin mit Barbitursaeure,
Helv.Chim.Acta, 1981, 64 (1), 49-63.

D. Obrecht and H. Heimgartner,
Selektive Umfunktionalisierung der terminalen Amidgruppe offenkettiger Polyamide via 2-Oxazolin-5-one als Zwischenstufen,
Helv.Chim.Acta, 1981, 64 (2), 482-487.

R. Prewo, J. H. Bieri, U. Widmer and H. Heimgartner,
Crystal Structure of a Tetrahydro-1(1H)-isoindolone,
Helv.Chim.Acta, 1981, 64 (5), 1515-1521.

S. Chaloupka, J. H. Bieri and H. Heimgartner,
191.$. Struktur des Hydrazinolyseproduktes von N-(3-Oxo-1-isoindolinyliden)-alanin-aethylester,
Helv.Chim.Acta, 1980, 63 (7), 1797-1804.

K. Dietliker, W. Stegmann and H. Heimgartner,
Photochemically Induced 1,3-Dipolar Cycloadditions of 3-Amino-2h-Azirines,
Heterocycles, 1980, 14 (7), 929-934.