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Katherine K. N. Chen

National Foundation for Cancer Research

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Featured researches published by Katherine K. N. Chen.

Journal of The Chemical Society C: Organic | 1969

Synthesis of some heteronuclear mono- and di-chloro-2-naphthylamines

Andre Rosowsky; Josephine Battaglia; Katherine K. N. Chen; Nickolas Papathanasopoulos; Edward J. Modest

Improved methods of preparation of 6- and 7-chloro-2-naphthylamine from sodium 2-naphthol-6-sulphonate and disodium naphthalene-2,7-disulphonate, respectively, are described. Syntheses of 5,6-, 5,7-, and 6,7-dichloro-2-naphthylamines are also reported.

Journal of Medicinal Chemistry | 1973

2,4-Diaminothieno(2,3-d)pyrimidines as antifolates and antimalarials. 3. Synthesis of 5,6-disubstituted derivatives and related tetracyclic analogs.

Andre Rosowsky; Katherine K. N. Chen; M. Lin

Journal of Medicinal Chemistry | 1973

2,4-Diaminothieno(2,3-d)pyrimidines as antifolates and antimalarials. 1. Synthesis of 2,4-diamino-5,6,7,8-tetrahydrothianaphthena(2,3-d)pyrimidines and related compounds.

Andre Rosowsky; Michael Chaykovsky; Katherine K. N. Chen; M. Lin; Edward J. Modest

Journal of Organic Chemistry | 1973

Pteridines. I. .beta.-Ketosulfoxides and .alpha.-ketoaldehyde hemithioacetals as pteridine precursors. New selective synthesis of 6- and 7-substituted pteridines

Andre Rosowsky; Katherine K. N. Chen

Journal of Medicinal Chemistry | 1974

Methotrexate analogs. 3. Synthesis and biological properties of some side-chain altered analogs

Michael Chaykovsky; Andre Rosowsky; Nickolas Papathanasopoulos; Katherine K. N. Chen; Edward J. Modest; Roy L. Kisliuk; Yvette Gaumont

Journal of Organic Chemistry | 1968

Synthesis of new chlorine-substituted derivatives of 2-tetralone

Andre Rosowsky; Josephine Battaglia; Katherine K. N. Chen; Edward J. Modest

Journal of Heterocyclic Chemistry | 1972

Quinazolines. VII. Synthesis of 1,3‐Diamino‐5,6‐dihydrobenzo[f]quinazolines

Andre Rosowsky; Katherine K. N. Chen; Nickolas Papathanasopoulos; Edward J. Modest

Journal of Medicinal Chemistry | 1974

Methotrexate analogs. 4.7-Methyl derivatives of methotrexate and dichloromethotrexate. A new synthesis and some biological studies.

Andre Rosowsky; Katherine K. N. Chen

Journal of Heterocyclic Chemistry | 1972

Quinazolines. VIII. Synthesis of 1,3-diaminobenzo[f]quinazolines†

Andre Rosowsky; Katherine K. N. Chen; Marilyn E. Nadel; Nicholas Papathanasopoulos; Edward J. Modest

Journal of Heterocyclic Chemistry | 1971

Synthesis of two new heterocyclic ring systems: Benzo[3,4] cyclohepta[1,2‐d]‐pyrimidines and benzo[3,4]cyclohepta[2,1‐d] pyrimidines

Andre Rosowsky; Katherine K. N. Chen; M. Lin; Marilyn E. Nadel; Richard St. Amand; Sandra A. Yeager

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Andre Rosowsky

National Foundation for Cancer Research

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Edward J. Modest

Harvard University

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Nickolas Papathanasopoulos

National Foundation for Cancer Research

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M. Lin

National Foundation for Cancer Research

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Josephine Battaglia

National Foundation for Cancer Research

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Marilyn E. Nadel

National Foundation for Cancer Research

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Michael Chaykovsky

Harvard University

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Richard St. Amand

National Foundation for Cancer Research

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Sandra A. Yeager

National Foundation for Cancer Research

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M. Chaykovsky

National Foundation for Cancer Research

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