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Organic Syntheses最新文献

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Preparation of Hindered Aniline CyanH and Application in the Allyl-Ni-Catalyzed α,β-Dehydrogenation of Carbonyls 受阻苯胺氰的制备及其在烯丙基镍催化羰基α，β-脱氢反应中的应用
IF 0.7
Organic Syntheses Pub Date : 2021-01-01 DOI: 10.15227/ORGSYN.098.0263
Alexandra K. Bodnar
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引用次数: 0
Enantioselective Michael-Proton Transfer-Lactamization for Pyroglutamic Acid Derivatives: Synthesis of Dimethyl-(S,E)-5-oxo-3-styryl-1-tosylpyrrolidine-2,2-dicarboxylate. 焦谷氨酸衍生物的对映选择性迈克尔质子转移内酰胺化:二甲基-(S,E)-5-氧-3-苯乙烯-1-酰基吡咯烷-2,2-二羧酸酯的合成。
IF 0.7
Organic Syntheses Pub Date : 2021-01-01 DOI: 10.15227/orgsyn.098.0194
Christian M Chaheine, Conner J Song, Paul T Gladen, Daniel Romo
{"title":"Enantioselective Michael-Proton Transfer-Lactamization for Pyroglutamic Acid Derivatives: Synthesis of Dimethyl-(<i>S,E</i>)-5-oxo-3-styryl-1-tosylpyrrolidine-2,2-dicarboxylate.","authors":"Christian M Chaheine,&nbsp;Conner J Song,&nbsp;Paul T Gladen,&nbsp;Daniel Romo","doi":"10.15227/orgsyn.098.0194","DOIUrl":"https://doi.org/10.15227/orgsyn.098.0194","url":null,"abstract":"A. Dimethyl 2-amino((4-methylphenyl)sulfonamido)malonate (2). To a single-necked, 500 mL round-bottomed flask containing a football-shaped, teflon-coated stir bar (5 cm) and fitted with a 24/40 glass, threaded gas-inlet adapter with a silicone/PTFE septa (Figure 1A) (Note 2), in-turn connected via chemically resistant tubing to a vacuum/nitrogen manifold is added commercially available dimethyl aminomalonate hydrochloride (1, 12.5 g, MeO2C CO2Me NH2 •HCl Ts2O, NEt3 THF, 0 to 23 °C MeO2C CO2Me NHTs","PeriodicalId":19576,"journal":{"name":"Organic Syntheses","volume":"98 ","pages":"194-226"},"PeriodicalIF":0.7,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9463714/pdf/nihms-1832364.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"33459234","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Synthesis of Tetraaryl-, Pentaaryl-, and Hexaaryl-1,4-dihydropyrrolo[3,2-b]pyrroles 四芳基、五芳基和六芳基-1,4-二氢吡咯并[3,2-b]吡咯的合成
IF 0.7
Organic Syntheses Pub Date : 2021-01-01 DOI: 10.15227/orgsyn.098.0242
Maciej Krzeszewski
{"title":"Synthesis of Tetraaryl-, Pentaaryl-, and Hexaaryl-1,4-dihydropyrrolo[3,2-b]pyrroles","authors":"Maciej Krzeszewski","doi":"10.15227/orgsyn.098.0242","DOIUrl":"https://doi.org/10.15227/orgsyn.098.0242","url":null,"abstract":"","PeriodicalId":19576,"journal":{"name":"Organic Syntheses","volume":"1 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67339954","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Palladium-Catalyzed Acetylation of Arylbromides 钯催化芳基溴的乙酰化反应
IF 0.7
Organic Syntheses Pub Date : 2021-01-01 DOI: 10.15227/ORGSYN.098.0068
Milauni M Mehta
{"title":"Palladium-Catalyzed Acetylation of Arylbromides","authors":"Milauni M Mehta","doi":"10.15227/ORGSYN.098.0068","DOIUrl":"https://doi.org/10.15227/ORGSYN.098.0068","url":null,"abstract":"6-Acetylbenzothiophene (1). A single-necked (24/40 joint) 250 mL roundbottomed flask is equipped with a Teflon-coated magnetic stir bar (4.0 x 1.5 cm, football-shaped). The apparatus is flame-dried under vacuum, then cooled to 23 oC under an atmosphere of argon (Note 2). The flask is charged sequentially with 6-bromobenzothiophene (8.00 g, 37.5 mmol, 1 equiv) (Note 3), cesium fluoride (22.8 g, 150 mmol, 4 equiv) (Note 4), and tetrakis(triphenylphosphine)palladium(0) (2.17 g, 1.88 mmol, 0.05 equiv) (Note 4) through the neck of the flask in singular portions. The neck of the flask is then fit with a rubber septum. An argon inlet needle and a purge needle are placed in the rubber septum, and the flask is purged for 5 min (Figure 1A). After 5 min, the vent needle is removed, and acetyltrimethylsilane (10.8 mL, 75 mmol, 2 equiv) (Note 5) is added in one portion over 1 min via a plastic syringe fit with an 18 G x 1.5’’ needle. 1,2-Dichloroethane (38 mL, 1 M) (Note 6) is then added to the flask via a plastic syringe fit with an 18 G x 6’’ needle in a single portion over 1 min (Figure 1B). The rubber septum is quickly removed and replaced with a Pd(PPh3)4 (5.0 mol%) CsF","PeriodicalId":19576,"journal":{"name":"Organic Syntheses","volume":"98 1","pages":"68-83"},"PeriodicalIF":0.7,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67340078","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Synthesis of the Isocyanide Building Block Asmic, anisylsulfanylmethylisocyanide 异氰化物组成部分Asmic，茴香基磺胺基甲基异氰化物的合成
IF 0.7
Organic Syntheses Pub Date : 2021-01-01 DOI: 10.15227/ORGSYN.098.0147
E. Alwedi
{"title":"Synthesis of the Isocyanide Building Block Asmic, anisylsulfanylmethylisocyanide","authors":"E. Alwedi","doi":"10.15227/ORGSYN.098.0147","DOIUrl":"https://doi.org/10.15227/ORGSYN.098.0147","url":null,"abstract":"","PeriodicalId":19576,"journal":{"name":"Organic Syntheses","volume":"13 1","pages":"147-170"},"PeriodicalIF":0.7,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67340321","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Mild mono-Acylation of 4,5-Diiodoimidazole: Preparation of 1-(5-Iodo-1H-imidazole-4-yl)pent-4-en-1-one 4,5-二碘咪唑的轻度单酰化:1-(5-碘- 1h -咪唑-4-基)戊-4-烯-1- 1的制备
IF 0.7
Organic Syntheses Pub Date : 2021-01-01 DOI: 10.15227/orgsyn.098.0171
M. Morgen
{"title":"Mild mono-Acylation of 4,5-Diiodoimidazole: Preparation of 1-(5-Iodo-1H-imidazole-4-yl)pent-4-en-1-one","authors":"M. Morgen","doi":"10.15227/orgsyn.098.0171","DOIUrl":"https://doi.org/10.15227/orgsyn.098.0171","url":null,"abstract":"","PeriodicalId":19576,"journal":{"name":"Organic Syntheses","volume":"1 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67340356","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Reductive Deuteration of Ketones with Magnesium and D2O for the Synthesis of α-Deutero-o-methyl-benzhydrol 镁和D2O对酮的还原氘化反应合成α-氘-邻甲基苯甲酸
IF 0.7
Organic Syntheses Pub Date : 2021-01-01 DOI: 10.15227/ORGSYN.098.0051
Nengbo Zhu
{"title":"Reductive Deuteration of Ketones with Magnesium and D2O for the Synthesis of α-Deutero-o-methyl-benzhydrol","authors":"Nengbo Zhu","doi":"10.15227/ORGSYN.098.0051","DOIUrl":"https://doi.org/10.15227/ORGSYN.098.0051","url":null,"abstract":"","PeriodicalId":19576,"journal":{"name":"Organic Syntheses","volume":"98 1","pages":"51-67"},"PeriodicalIF":0.7,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67340071","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Preparation of 1-Hydrosilatrane, and Its Use in the Highly Practical Synthesis of Secondary and Tertiary Amines from Aldehydes and Ketones via Direct Reductive Amination 1-氢硅烷的制备及其在醛酮直接还原胺化合成仲胺和叔胺中的应用
IF 0.7
Organic Syntheses Pub Date : 2021-01-01 DOI: 10.15227/orgsyn.098.0227
F. Azam
{"title":"Preparation of 1-Hydrosilatrane, and Its Use in the Highly Practical Synthesis of Secondary and Tertiary Amines from Aldehydes and Ketones via Direct Reductive Amination","authors":"F. Azam","doi":"10.15227/orgsyn.098.0227","DOIUrl":"https://doi.org/10.15227/orgsyn.098.0227","url":null,"abstract":"","PeriodicalId":19576,"journal":{"name":"Organic Syntheses","volume":"1 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67340367","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Preparation of 6-(Triethylsilyl)cyclohex-1-en-1-yl Trifluoromethanesulfonate 6-(三乙基硅基)环己基-1-烯-1-基三氟甲烷磺酸盐的制备
IF 0.7
Organic Syntheses Pub Date : 2021-01-01 DOI: 10.15227/orgsyn.098.0407
R. Nakura
{"title":"Preparation of 6-(Triethylsilyl)cyclohex-1-en-1-yl Trifluoromethanesulfonate","authors":"R. Nakura","doi":"10.15227/orgsyn.098.0407","DOIUrl":"https://doi.org/10.15227/orgsyn.098.0407","url":null,"abstract":"","PeriodicalId":19576,"journal":{"name":"Organic Syntheses","volume":"1 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67340491","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Preparation of 1-Benzyl-7-methylene-1,5,6,7-tetrahydro-4H-benzo[d]imidazol-4-one 1-苄基-7-亚甲基-1,5,6,7-四氢- 4h -苯并咪唑-4-酮的制备
IF 0.7
Organic Syntheses Pub Date : 2021-01-01 DOI: 10.15227/orgsyn.098.0315
M. Morgen
{"title":"Preparation of 1-Benzyl-7-methylene-1,5,6,7-tetrahydro-4H-benzo[d]imidazol-4-one","authors":"M. Morgen","doi":"10.15227/orgsyn.098.0315","DOIUrl":"https://doi.org/10.15227/orgsyn.098.0315","url":null,"abstract":"","PeriodicalId":19576,"journal":{"name":"Organic Syntheses","volume":"1 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67340821","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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