ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTNeighboring Group Reactions. VI. Reactions of 3-(ω-Haloalkyl)-3-phenyl-2-benzofuranones with Secondary Amines. Trapped Tetrahedral Intermediates in a Carbonyl Addition ReactionH. E. Zaugg, F. E. Chadde, and R. J. MichaelsCite this: J. Am. Chem. Soc. 1962, 84, 23, 4567–4573Publication Date (Print):December 1, 1962Publication History Published online1 May 2002Published inissue 1 December 1962https://pubs.acs.org/doi/10.1021/ja00882a037https://doi.org/10.1021/ja00882a037research-articleACS PublicationsRequest reuse permissionsArticle Views131Altmetric-Citations9LEARN ABOUT THESE METRICSArticle Views are the COUNTER-compliant sum of full text article downloads since November 2008 (both PDF and HTML) across all institutions and individuals. These metrics are regularly updated to reflect usage leading up to the last few days.Citations are the number of other articles citing this article, calculated by Crossref and updated daily. Find more information about Crossref citation counts.The Altmetric Attention Score is a quantitative measure of the attention that a research article has received online. Clicking on the donut icon will load a page at altmetric.com with additional details about the score and the social media presence for the given article. Find more information on the Altmetric Attention Score and how the score is calculated. Share Add toView InAdd Full Text with ReferenceAdd Description ExportRISCitationCitation and abstractCitation and referencesMore Options Share onFacebookTwitterWechatLinked InRedditEmail Other access optionsGet e-Alertsclose Get e-Alerts
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTNeighboring Group Reactions. III. Structural and Stability Relationships between Two Geminally-substituted γ-LactonesH. E Zaugg, R. W. De Net, R. J. Michaels, W. H. Washburn, and F. E. ChaddeCite this: J. Org. Chem. 1961, 26, 11, 4753–4755Publication Date (Print):November 1, 1961Publication History Published online1 May 2002Published inissue 1 November 1961https://pubs.acs.org/doi/10.1021/jo01069a553https://doi.org/10.1021/jo01069a553research-articleACS PublicationsRequest reuse permissionsArticle Views41Altmetric-Citations5LEARN ABOUT THESE METRICSArticle Views are the COUNTER-compliant sum of full text article downloads since November 2008 (both PDF and HTML) across all institutions and individuals. These metrics are regularly updated to reflect usage leading up to the last few days.Citations are the number of other articles citing this article, calculated by Crossref and updated daily. Find more information about Crossref citation counts.The Altmetric Attention Score is a quantitative measure of the attention that a research article has received online. Clicking on the donut icon will load a page at altmetric.com with additional details about the score and the social media presence for the given article. Find more information on the Altmetric Attention Score and how the score is calculated. Share Add toView InAdd Full Text with ReferenceAdd Description ExportRISCitationCitation and abstractCitation and referencesMore Options Share onFacebookTwitterWechatLinked InRedditEmail Other access optionsGet e-Alertsclose Get e-Alerts
Tablets containing theophylline, pentobarbital, and papaverine may be analyzed rapidly and accurately by ultraviolet spectrophotometry. Following only the separation of pentobarbital, all three components may be determined accurately under conditions which studies have shown provide optimum reproducibility of absorbance measurements.