scispace - formally typeset
Search or ask a question
Author

Harold W. Moore

Bio: Harold W. Moore is an academic researcher from University of California, Irvine. The author has contributed to research in topics: Cycloaddition & Ring (chemistry). The author has an hindex of 29, co-authored 192 publications receiving 3272 citations.
Topics: Cycloaddition, Ring (chemistry), Quinone, Ketene, Aryl


Papers
More filters
Journal ArticleDOI
TL;DR: Cycloaddition de cyanocetenes (t-butylcyanocetene, chlorocyanoceten, and hexynylcyclic-cyclic) aux imines du titre is discussed in this article.
Abstract: Cycloaddition de cyanocetenes (t-butylcyanocetene, chlorocyanocetene et hexynylcyanocetene) aux imines du titre. Influence de la taille et du degre d'insaturation des substituants de l'imine sur la stereo- et la periselectivite des cycloadditions

86 citations

Journal ArticleDOI
TL;DR: Les composes du titre sont prepared par addition d'organolithiens sur des dialcoxy-3,4 cyclobutene-3diones-1,2, suivie de l'addition d'anhydride trifluoroacetique as mentioned in this paper.
Abstract: Les composes du titre sont prepares par addition d'organolithiens sur des dialcoxy-3,4 cyclobutene-3diones-1,2, suivie de l'addition d'anhydride trifluoroacetique

73 citations


Cited by
More filters
Journal ArticleDOI
TL;DR: This article corrects the article on p. 100 in vol.
Abstract: [This corrects the article on p. 100 in vol. 41.].

3,345 citations

Journal ArticleDOI
23 Sep 1983-Science
TL;DR: Dietary intake of natural antioxidants could be an important aspect of the body's defense mechanism against these agents of cancer and other age-related diseases.
Abstract: The human diet contains a great variety of natural mutagens and carcinogens, as well as many natural antimutagens and anticarcinogens. Many of these mutagens and carcinogens may act through the generation of oxygen radicals. Oxygen radicals may also play a major role as endogenous initiators of degenerative processes, such as DNA damage and mutation (and promotion), that may be related to cancer, heart disease, and aging. Dietary intake of natural antioxidants could be an important aspect of the body’s defense mechanism against these agents. Many antioxidants are being identified as anticarcinogens. Characterizing and optimizing such defense systems may be an important part of a strategy of minimizing cancer and other age-related diseases.

2,924 citations

Journal ArticleDOI
TL;DR: I. Foldamer Research 3910 A. Backbones Utilizing Bipyridine Segments 3944 1.
Abstract: III. Foldamer Research 3910 A. Overview 3910 B. Motivation 3910 C. Methods 3910 D. General Scope 3912 IV. Peptidomimetic Foldamers 3912 A. The R-Peptide Family 3913 1. Peptoids 3913 2. N,N-Linked Oligoureas 3914 3. Oligopyrrolinones 3915 4. Oxazolidin-2-ones 3916 5. Azatides and Azapeptides 3916 B. The â-Peptide Family 3917 1. â-Peptide Foldamers 3917 2. R-Aminoxy Acids 3937 3. Sulfur-Containing â-Peptide Analogues 3937 4. Hydrazino Peptides 3938 C. The γ-Peptide Family 3938 1. γ-Peptide Foldamers 3938 2. Other Members of the γ-Peptide Family 3941 D. The δ-Peptide Family 3941 1. Alkene-Based δ-Amino Acids 3941 2. Carbopeptoids 3941 V. Single-Stranded Abiotic Foldamers 3944 A. Overview 3944 B. Backbones Utilizing Bipyridine Segments 3944 1. Pyridine−Pyrimidines 3944 2. Pyridine−Pyrimidines with Hydrazal Linkers 3945

1,922 citations

Journal ArticleDOI
TL;DR: In this Review, the fundamental characteristics of azide chemistry and current developments are presented and the focus will be placed on cycloadditions (Huisgen reaction), aza ylide chemistry, and the synthesis of heterocycles.
Abstract: Since the discovery of organic azides by Peter Griess more than 140 years ago, numerous syntheses of these energy-rich molecules have been developed. In more recent times in particular, completely new perspectives have been developed for their use in peptide chemistry, combinatorial chemistry, and heterocyclic synthesis. Organic azides have assumed an important position at the interface between chemistry, biology, medicine, and materials science. In this Review, the fundamental characteristics of azide chemistry and current developments are presented. The focus will be placed on cycloadditions (Huisgen reaction), aza ylide chemistry, and the synthesis of heterocycles. Further reactions such as the aza-Wittig reaction, the Sundberg rearrangement, the Staudinger ligation, the Boyer and Boyer-Aube rearrangements, the Curtius rearrangement, the Schmidt rearrangement, and the Hemetsberger rearrangement bear witness to the versatility of modern azide chemistry.

1,766 citations

Journal ArticleDOI
TL;DR: The power of cascade reactions in total synthesis is illustrated in the construction of complex molecules and underscore their future potential in chemical synthesis.
Abstract: The design and implementation of cascade reactions is a challenging facet of organic chemistry, yet one that can impart striking novelty, elegance, and efficiency to synthetic strategies. The application of cascade reactions to natural products synthesis represents a particularly demanding task, but the results can be both stunning and instructive. This Review highlights selected examples of cascade reactions in total synthesis, with particular emphasis on recent applications therein. The examples discussed herein illustrate the power of these processes in the construction of complex molecules and underscore their future potential in chemical synthesis.

1,762 citations