Key points are not available for this paper at this time.
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTStudies on Dihydropyridines. I. The Preparation of Unsymmetrical 4-Aryl-1,4-dihydropyridines by the Hantzsch-Beyer Synthesis1Jerome A. Berson and Earlene BrownCite this: J. Am. Chem. Soc. 1955, 77, 2, 444–447Publication Date (Print):January 1, 1955Publication History Published online1 May 2002Published inissue 1 January 1955https://pubs.acs.org/doi/10.1021/ja01607a066https://doi.org/10.1021/ja01607a066research-articleACS PublicationsRequest reuse permissionsArticle Views487Altmetric-Citations56LEARN 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
Berson et al. (Sat,) studied this question.