Pub Date : 2024-01-02DOI: 10.1080/00304948.2023.2209489
Amira A. El-Sayed , Galal A. Elsayed , Sameh A. Rizk , Mahmoud F. Ismail
{"title":"Synthesis, Insecticidal Activity and DFT Study of 1,2,4-Triazolidinthione, 1,3,5-Oxadiazine and Thiourea Derivatives","authors":"Amira A. El-Sayed , Galal A. Elsayed , Sameh A. Rizk , Mahmoud F. Ismail","doi":"10.1080/00304948.2023.2209489","DOIUrl":"10.1080/00304948.2023.2209489","url":null,"abstract":"","PeriodicalId":19681,"journal":{"name":"Organic Preparations and Procedures International","volume":"56 1","pages":"Pages 38-51"},"PeriodicalIF":1.5,"publicationDate":"2024-01-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49482596","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-05-24DOI: 10.1080/00304948.2023.2207436
Pouran Pourayoob Foumani, F. Shirini, H. Tajik, Shahed Hassanpoor
Benzylic alcohols are widely available key substrates whose controlled oxidation results in the corresponding aldehydes and ketones. 1-3 Numerous reagents have been reported for this useful purpose. 4-18 Manganese-based oxidants are broadly used for the oxidation of alcohols. 18-23 Among these compounds, manganese dioxide (MnO 2 ) is a familiar oxidant. 23-40 In
{"title":"Aerobic, Efficient, Mild, and Heterogeneous Oxidation of Benzylic Alcohols Based on α-MnO2/GO Nanocatalyst","authors":"Pouran Pourayoob Foumani, F. Shirini, H. Tajik, Shahed Hassanpoor","doi":"10.1080/00304948.2023.2207436","DOIUrl":"https://doi.org/10.1080/00304948.2023.2207436","url":null,"abstract":"Benzylic alcohols are widely available key substrates whose controlled oxidation results in the corresponding aldehydes and ketones. 1-3 Numerous reagents have been reported for this useful purpose. 4-18 Manganese-based oxidants are broadly used for the oxidation of alcohols. 18-23 Among these compounds, manganese dioxide (MnO 2 ) is a familiar oxidant. 23-40 In","PeriodicalId":19681,"journal":{"name":"Organic Preparations and Procedures International","volume":" ","pages":""},"PeriodicalIF":1.5,"publicationDate":"2023-05-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45915610","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-05-23DOI: 10.1080/00304948.2023.2202107
Simren S. Salim, Liklesha B. Masram, Yatin U. Gadkari, Angad B. Barkule, V. Telvekar
{"title":"Tartaric Acid as an Expeditious and Green Catalyst for the Synthesis of 1,2,4-Triazolidine-3-thiones in an Aqueous Medium","authors":"Simren S. Salim, Liklesha B. Masram, Yatin U. Gadkari, Angad B. Barkule, V. Telvekar","doi":"10.1080/00304948.2023.2202107","DOIUrl":"https://doi.org/10.1080/00304948.2023.2202107","url":null,"abstract":"","PeriodicalId":19681,"journal":{"name":"Organic Preparations and Procedures International","volume":" ","pages":""},"PeriodicalIF":1.5,"publicationDate":"2023-05-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43674030","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-05-22DOI: 10.1080/00304948.2023.2202112
Dnyanadeo J. Kesarkar, B. Kashid, D. B. Muley
Dibenzosuberone-based tricyclic compounds are promising anti-fungal and anti-histaminic agents, 1 – 6 exemplified by the dichloro-substituted 1-(5H-dibenzo [a, d] cyclohepten-5-yl)- 1H-imidazole compound, Eberconazole (Figure 1). A key intermediate in the manufacture of Eberconazole is compound 1 (Scheme 1). Unfortunately, the synthesis methods reported to date for such substituted dibenzosuberones 7 – 13 are difficult to apply on industrial scale. The disadvantages of the reported methods include reaction at -78 (cid:1) C and the handling of pyrophoric organometallic reagents. In addition, any cyclization using poly-phosphoric acid at 150 (cid:1) C may lead to degradation of the product. We now disclose an efficient and scalable process for the preparation of key intermediate 1 by an alternative route, which minimizes the number of steps and improves both quality and yield. The present process is simple, convenient and cost effective for large-scale production. The synthetic route is shown in Scheme 1 and detailed in the Experimental section
{"title":"Efficient, Economic, and Large-scale Synthesis of 2, 4-Dichloro-10,11-dihydro-5H-dibenzo[a, d][7]annulen-5-one","authors":"Dnyanadeo J. Kesarkar, B. Kashid, D. B. Muley","doi":"10.1080/00304948.2023.2202112","DOIUrl":"https://doi.org/10.1080/00304948.2023.2202112","url":null,"abstract":"Dibenzosuberone-based tricyclic compounds are promising anti-fungal and anti-histaminic agents, 1 – 6 exemplified by the dichloro-substituted 1-(5H-dibenzo [a, d] cyclohepten-5-yl)- 1H-imidazole compound, Eberconazole (Figure 1). A key intermediate in the manufacture of Eberconazole is compound 1 (Scheme 1). Unfortunately, the synthesis methods reported to date for such substituted dibenzosuberones 7 – 13 are difficult to apply on industrial scale. The disadvantages of the reported methods include reaction at -78 (cid:1) C and the handling of pyrophoric organometallic reagents. In addition, any cyclization using poly-phosphoric acid at 150 (cid:1) C may lead to degradation of the product. We now disclose an efficient and scalable process for the preparation of key intermediate 1 by an alternative route, which minimizes the number of steps and improves both quality and yield. The present process is simple, convenient and cost effective for large-scale production. The synthetic route is shown in Scheme 1 and detailed in the Experimental section","PeriodicalId":19681,"journal":{"name":"Organic Preparations and Procedures International","volume":" ","pages":""},"PeriodicalIF":1.5,"publicationDate":"2023-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42556821","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-05-09DOI: 10.1080/00304948.2023.2200357
Ankit J. Patel, Vishant C. Patel, Amit Dholakia, Darshan S. Patel
{"title":"L-Proline Catalyzed Synthesis of Heterocycles: A Review","authors":"Ankit J. Patel, Vishant C. Patel, Amit Dholakia, Darshan S. Patel","doi":"10.1080/00304948.2023.2200357","DOIUrl":"https://doi.org/10.1080/00304948.2023.2200357","url":null,"abstract":"","PeriodicalId":19681,"journal":{"name":"Organic Preparations and Procedures International","volume":" ","pages":""},"PeriodicalIF":1.5,"publicationDate":"2023-05-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42712582","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-05-04DOI: 10.1080/00304948.2023.2201162
Zheng-wu Shen, Jilong Ge, Jian Chen, Baiwang Sun
Paliperidone
{"title":"An Improved and Efficient Approach for the Synthesis of Paliperidone","authors":"Zheng-wu Shen, Jilong Ge, Jian Chen, Baiwang Sun","doi":"10.1080/00304948.2023.2201162","DOIUrl":"https://doi.org/10.1080/00304948.2023.2201162","url":null,"abstract":"Paliperidone","PeriodicalId":19681,"journal":{"name":"Organic Preparations and Procedures International","volume":" ","pages":""},"PeriodicalIF":1.5,"publicationDate":"2023-05-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49664468","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-04-06DOI: 10.1080/00304948.2023.2186652
{"title":"Application of a New Bifunctional Nanocatalyst Mn/SO3H@zeolite-Y in Rapid Synthesis of 2-Aryl Mono- and bis-Perimidines","authors":"","doi":"10.1080/00304948.2023.2186652","DOIUrl":"https://doi.org/10.1080/00304948.2023.2186652","url":null,"abstract":"","PeriodicalId":19681,"journal":{"name":"Organic Preparations and Procedures International","volume":" ","pages":""},"PeriodicalIF":1.5,"publicationDate":"2023-04-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49572328","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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