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51

A convenient new synthesis of the allylic pyrophosphate of trans-zeatin

Belal Shadid, Henk C. van der Plas

Journal:

Year:

1990

Language:

english

File:

PDF, 342 KB

english, 1990

52

Simultaneous Conversion of N(1)-(2-Aminoethyl)adenosine to N6-(2-Aminoethyl)adenosine and Tricyclic 1. N6-Ethanoadenosine under Mild Aqueous Conditions

F. Bückmann, Andreas, Wray, Victor, C. van der Plas, Henk

Journal:

Year:

1995

Language:

english

File:

PDF, 462 KB

english, 1995

53

4-Nitro- and 4-Cyanopyridazines

C. Van der Plas, Henk, T. M. Marcelis, Antonius, C. van der Plas, Henk

Journal:

Year:

1985

Language:

english

File:

PDF, 170 KB

english, 1985

54

Oxidative Amino-Dehydrogenation of Azines

Henk van der Plas

Journal:

Year:

2004

File:

PDF, 56 KB

2004

55

Ring degenerate transformations of azines

Henk C. Van Der Plas

Journal:

Year:

1985

Language:

english

File:

PDF, 3.51 MB

english, 1985

56

Ring transformations of 5-nitropyrimidine via inverse diels-alder reactions

Valery N. Charushin, Henk C. van der Plas

Journal:

Tetrahedron Letters

Year:

1982

Language:

english

File:

PDF, 214 KB

english, 1982

57

Pteridines bearing acetylene-containing sidechains at c-2:Preparation and attempted cycloaddition reactions

Norbert Haider, Henk C. Van Der Plas

Journal:

Journal of Heterocyclic Chemistry

Year:

1990

File:

PDF, 198 KB

1990

58

A New Synthesis of 4-(Alkyl)aminopteridines

Hiroshi Hara, Henk C. Der Van Plas

Journal:

Journal of Heterocyclic Chemistry

Year:

1982

File:

PDF, 152 KB

1982

59

On the chichibabin amination of quinoline and some nitroquinolines

Hanna Tondys, Henk C. van der Plas, Marian Woźniak

Journal:

Journal of Heterocyclic Chemistry

Year:

1985

File:

PDF, 199 KB

1985

60

OXIDATIVE NITROMETHYLENATION (S N H SUBSTITUTION) IN PYRIDINIUM SALTS

Buurman, Dick J., van der Plas, Henk C.

Journal:

Organic Preparations and Procedures International

Year:

1988

Language:

english

File:

PDF, 109 KB

english, 1988

61

Immobilized xanthine oxidase: Kinetics, (in)stability, and stabilization by coimmobilization with superoxide dismutase and catalase

Johannes Tramper, Franz Müller, Henk C. Van Der Plas

Journal:

Biotechnology and Bioengineering

Year:

1978

Language:

english

File:

PDF, 772 KB

english, 1978

62

The synthesis of cytokinin phosphates

Belal Shadid, Henk C. van der Plas

Journal:

Year:

1990

Language:

english

File:

PDF, 1016 KB

english, 1990

63

The SNANRORC mechanism. 27. Occurrence of the SNANRORC mechanism in the amination of 2-substituted purines with potassium amide in liquid ammonia

Kos, Nico J., Van der Plas, Henk C.

Journal:

Journal of Organic Chemistry

Year:

1980

Language:

english

File:

PDF, 561 KB

english, 1980

64

1,6-Dihydro-1,2,4,5-tetrazine, a neutral homoaromatic system

Counotte-Potman, Anda, Van der Plas, Henk C., Van Veldhuizen, Beb

Journal:

Journal of Organic Chemistry

Year:

1981

Language:

english

File:

PDF, 498 KB

english, 1981

65

The half-wave potentials of 8-substituted 5-deazaflavins. Polarographic determination of the dissociation constants of some 8-substituted 5-deazaflavosemiquinones

Link, Paul A. J., Van der Plas, Henk C., Mueller, Franz

Journal:

Journal of Organic Chemistry

Year:

1986

Language:

english

File:

PDF, 380 KB

english, 1986

66

ChemInform Abstract: 1,2,4-Triazines in Organic Synthesis. Part 10. A New Route to Functionalized 3-Aminopyridazines by ANRORC Type Ring Transformation of 1,2,4-Triazines with Carbon Nucleophiles.

Andrzej Rykowski, Ewa Wolinska, Henk C. van der Plas

Journal:

Year:

2001

File:

PDF, 31 KB

2001

67

On the reaction of 5-aminopyrimidine with diazonium salts

Zofia Swistun, Henk C. Van Der Plas

Journal:

Journal of Heterocyclic Chemistry

Year:

1981

Language:

english

File:

PDF, 224 KB

english, 1981

68

On the amination of azaheterocycles. A new procedure for the introduction of an amino group

Hiroshi Hara, Henk C. Van Der Plas

Journal:

Journal of Heterocyclic Chemistry

Year:

1982

File:

PDF, 204 KB

1982

69

Synthesis and Quantitative Structure-Activity Relationship (QSAR) Analysis of Some Novel Yanthine Oxidase Inhibitors: 6-(para-substituted phenyl)-pteridine-4-ones

Han S. D. Naeff, Henk C. van Der Plas, Johannes Tramper, Franz Müller

Journal:

Molecular Informatics

Year:

1985

Language:

english

File:

PDF, 761 KB

english, 1985

70

ChemInform Abstract: PHOTOREACTIVITY OF DIAZINES PART 3, PYRIMIDINES PART 38, PHOTOAMINATION OF HALOGENOPYRIMIDINES

DE BIE, DICK A., VAN DER PLAS, HENK C., GEURTSEN, BART

Journal:

Chemischer Informationsdienst

Year:

1974

File:

PDF, 115 KB

1974

71

Reactivity of 3-alkynylthio-1-ethyl-1,2-4-triazinium salts in intramolecular Diels-Alder reactions

Valery N. Charushin, Beb van Veldhuizen, Henk C. van der Plas, Casper H. Stam

Journal:

Year:

1989

Language:

english

File:

PDF, 784 KB

english, 1989

72

Ring transformations in reactions of heterocyclic compounds with nucleophiles. The conversion of 5-nitropyrimidine into pyridine derivatives by CH-acitve nitriles

Valery N. Charushin Postdoctoral Fellow, Henk C. van der Plas

Journal:

Recueil des Travaux Chimiques des Pays-Bas

Year:

1983

Language:

english

File:

PDF, 378 KB

english, 1983

73

ChemInform Abstract: REACTIONS OF 4-BROMO- AND 4-CHLORO-1,7-NAPHTHYRIDINE WITH POTASSIUM AMIDE IN LIQUID AMMONIA

WOZNIAK, MARIAN, CZUBA, WLADYSLAW, VAN DER PLAS, HENK C.

Journal:

Chemischer Informationsdienst

Year:

1976

File:

PDF, 231 KB

1976

74

A note on the characteristic polynomial of the commutation matrix

F.J. Henk Don, Adriaan P. van der Plas

Journal:

Linear Algebra and its Applications

Year:

1981

Language:

english

File:

PDF, 299 KB

english, 1981

75

Intramolecular Diels-Alder reactions of quaternary pyrazinium salts and protonated pyrazinium cations. Synthesis of annelated pyridinium salts and annelated pyridines.

Bart Geurtsen, Dick A. de Bie, Henk C. van der Plas

Journal:

Year:

1989

Language:

english

File:

PDF, 807 KB

english, 1989

76

Reaction of N-amino-4,6-dimethylpyrimidinium mesitylene sulfonate with nucleophiles . A 15n-study

Henk C. van der Plas, Sylwester Baloniak, Hugo Jongejan

Journal:

Journal of Heterocyclic Chemistry

Year:

1983

File:

PDF, 193 KB

1983

77

Metal-1,10-phenanthroline-linked dihydronicotinamides as models for the NADH-alcohol dehydrogenase coenzyme-enzyme couple

Engbersen, Johan F. J., Koudijs, Arie, Van der Plas, Henk C.

Journal:

Journal of Organic Chemistry

Year:

1990

Language:

english

File:

PDF, 1.06 MB

english, 1990

78

1,2,4,5-Tetrazines and their derivatives. Part 6. Crystal structure of "homoaromatic" 6-ethyl-3-phenyl-1,6-dihydro-1,2,4,5-tetrazine

Stam, Casper H., Counotte-Potman, Anda D., Van der Plas, Henk C.

Journal:

Journal of Organic Chemistry

Year:

1982

Language:

english

File:

PDF, 378 KB

english, 1982

79

Photoreduction of 5-deazaflavins [1,3,9-triaza-anthracene-2(3H),4(10H)-diones]

Link, Paul A. J., van der Plas, Henk C., M�ller, Franz

Journal:

Journal of the Chemical Society Chemical Communications

Year:

1986

Language:

english

File:

PDF, 264 KB

english, 1986

80

Reduction of 2-pyridinecarboxaldehyde by a dehydrogenase-NADH model

Johan F.J. Engbersen, Arie Koudijs, Henk C. van der Plas

Journal:

Bioorganic Chemistry

Year:

1988

Language:

english

File:

PDF, 379 KB

english, 1988

81

Dihydroisobenzofurans and isoindolines by intramolecular inverse Diels-Alder reactions of pyridines

Marek Biedrzycki, Dick A. de Bie, Henk C. van der Plas

Journal:

Year:

1990

Language:

english

File:

PDF, 432 KB

english, 1990

82

Novel intramolecular Diels-Alder reactions of pyrimidines. Synthesis of heterocyclic annelated pyridines

August E. Frissen, Antonius T.M. Marcelis, Henk C. van der Plas

Journal:

Tetrahedron Letters

Year:

1987

Language:

english

File:

PDF, 181 KB

english, 1987

83

The SN(ANRORC) mechanism: a new mechanism for nucleophilic substitution

Van der Plas, Henk C.

Journal:

Accounts of Chemical Research

Year:

1978

Language:

english

File:

PDF, 948 KB

english, 1978

84

New tryptamine derivatives isolated from wax of green coffee beans

Folstar, Peter, Schols, Henk A., Van der Plas, Henk C., Pilnik, Walter, Landheer, Cornelis A., Van Veldhuizen, Albertus

Journal:

Journal of Agricultural and Food Chemistry

Year:

1980

Language:

english

File:

PDF, 364 KB

english, 1980

85

Dihydropyrimidines: Synthesis, Structure and Tautomerism

L. Weis, Alexander, C. van der Plas, Henk

Journal:

Year:

1986

Language:

english

File:

PDF, 514 KB

english, 1986

86

Endogenous ethylene formation and the development of the alternative pathway in potato tuber discs

Henk Gude, Linus H. W. van der Plas

Journal:

Physiologia Plantarum

Year:

1985

Language:

english

File:

PDF, 567 KB

english, 1985

87

Hydroxamate-activated peroxidases in potato tuber callus. Interaction with the determination of the cytochrome and the alternative pathways

Linus H. W. van der Plas, Henk Gude, Marijke J. Wagner

Journal:

Physiologia Plantarum

Year:

1987

Language:

english

File:

PDF, 1.70 MB

english, 1987

88

Amination of 4-nitropyridazine 1-oxides by liquid ammonia/potassium permanganate

Hanna Tondys, Henk C. Van Der Plas

Journal:

Journal of Heterocyclic Chemistry

Year:

1986

Language:

english

File:

PDF, 244 KB

english, 1986

89

Pyrimidines. Part 96. Anion formation and ring opening of 9-substituted purines in liquid ammonia containing potassium amide

Kos, Nico J., Van der Plas, Henk C., Blees, Wouter J. F.

Journal:

Journal of Organic Chemistry

Year:

1983

Language:

english

File:

PDF, 762 KB

english, 1983

90

Nuclear magnetic resonance investigation of geometrical isomerism in the anions of (methylamino) pyridines. Assignment of the syn and anti isomers

Kos, Nico J., Breuker, Koos, Van der Plas, Henk C., Van Veldhuizen, Beb

Journal:

Journal of Organic Chemistry

Year:

1981

Language:

english

File:

PDF, 399 KB

english, 1981

91

Liquid chromatographic analysis of N-.beta.)-alkanoyl-5-hydroxytryptamine (C-5-HT) in green coffee beans

Folstar, Peter, Van der Plas, Henk C., Pilnik, Walter, Schols, Henk A., Melger, Pim

Journal:

Journal of Agricultural and Food Chemistry

Year:

1979

Language:

english

File:

PDF, 519 KB

english, 1979

92

Advances in the Chemistry of 1,7-Naphthyridine

C. Van der Plas, Henk, Wozniak, Martian

Journal:

Year:

1982

Language:

english

File:

PDF, 812 KB

english, 1982

93

Synthesis of molybdenum(V) and molybdenum(VI) derivatives of 5,15-diphenyl-2,8,12,18-tetra-n-butyl-3,7,13,17-tetramethylporphyrin

Marinus Van Dijk, Yashuo Morita, Slobodan Petrović, Georgine M. Sanders, Henk C. Van Der Plas, Casper H. Stam, Yuanfang Wang

Journal:

Journal of Heterocyclic Chemistry

Year:

1992

File:

PDF, 422 KB

1992

94

Pyrimidines. 95. Occurrence of ring opening in the reactions of some 2,6-disubstituted purines with potassium amide in liquid ammonia

Kos, Nico J., Van der Plas, Henk C.

Journal:

Journal of Organic Chemistry

Year:

1983

Language:

english

File:

PDF, 481 KB

english, 1983

95

Chichibabin amination of 1,X-naphthyridines. Nuclear magnetic resonance studies on the .sigma. adducts of heterocyclic systems with nucleophiles

Van den Haak, Henk J. W., Van der Plas, Henk C., Van Veldhuizen, Beb

Journal:

Journal of Organic Chemistry

Year:

1981

Language:

english

File:

PDF, 501 KB

english, 1981

96

A mechanistic study on the degenerate ring transformation of 5-nitropyrimidine into 2-substituted 5-nitropyrimidines with nitrogen-15 labeled amidines

De Bie, Dick A., Geurtsen, Bart, Van der Plas, Henk C.

Journal:

Journal of Organic Chemistry

Year:

1986

Language:

english

File:

PDF, 354 KB

english, 1986

97

Photochemistry of 4,6-disubstituted pyrimidine N-oxides

Roeterdink, Fred, van der Plas, Henk C.

Journal:

Journal of the Chemical Society Perkin Transactions 1

Year:

1976

Language:

english

File:

PDF, 437 KB

english, 1976

98

ChemInform Abstract: Chemistry of Nitronaphthyridines

Marian Wozniak, Henk van der Plas

Journal:

Year:

2000

File:

PDF, 24 KB

2000

99

Occurrence of the SN(ANRORC) mechanism in the hydrazination of 1,2,4,5-tetrazines

Counotte-Potman, Anda, Van der Plas, Henk C., Van Veldhuizen, Beb, Landheer, Cees A.

Journal:

Journal of Organic Chemistry

Year:

1981

Language:

english

File:

PDF, 917 KB

english, 1981

100

The photoreduction of 8-substituted 5-deazaflavins and the 5-deazaflavin catalyzed photoreduction of methyl viologen

Paul A. J. Link, Henk C. Van Der Plas, Franz Müller

Journal:

Journal of Heterocyclic Chemistry

Year:

1988

File:

PDF, 355 KB

1988

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