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Journal ArticleDOI

Progress in the mitsunobu reaction. a review

David L. Hughes1
01 Apr 1996-Organic Preparations and Procedures International (Taylor & Francis Group)-Vol. 28, Iss: 2, pp 127-164
TL;DR: A review of progress in the MITSUNOBU this article reaction can be found in this article, with a focus on the MIT SUNOBU reaction and a review of the progress.
About: This article is published in Organic Preparations and Procedures International.The article was published on 1996-04-01. It has received 373 citations till now. The article focuses on the topics: Mitsunobu reaction.
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TL;DR: In this paper, the authors present a review of CO2, its synthetic reactions and their possible role in future CO2 mitigation schemes that have to match the scale of man-made CO2 in the atmosphere, which rapidly approaches 1 teraton.
Abstract: The increase in atmospheric carbon dioxide is linked to climate changes; hence there is an urgent need to reduce the accumulation of CO2 in the atmosphere. The utilization of CO2 as a raw material in the synthesis of chemicals and liquid energy carriers offers a way to mitigate the increasing CO2 buildup. This review covers six important CO2 transformations namely: chemical transformations, photochemical reductions, chemical and electrochemical reductions, biological conversions, reforming and inorganic transformations. Furthermore, the vast research area of carbon capture and storage is reviewed briefly. This review is intended as an introduction to CO2, its synthetic reactions and their possible role in future CO2 mitigation schemes that has to match the scale of man-made CO2 in the atmosphere, which rapidly approaches 1 teraton.

1,771 citations

Journal ArticleDOI
TL;DR: An assessment of the current state of the art in green chemistry and green engineering areas and to highlight areas for future improvement are provided.

1,140 citations

Journal ArticleDOI
TL;DR: This review concludes that Etherification without Cyclization and N-Alkylation should be considered as separate science, and the proposed treatment of Etherification with Cyclization as a separate science should be reconsidered.
Abstract: 10. Patented Literature 2616 10.1. Esterification 2616 10.2. Ether Formation 2619 10.2.1. Etherification without Cyclization 2619 10.2.2. Etherification with Cyclization 2624 10.3. N-Alkylation 2625 10.4. Other Reactions 2627 11. Summary and Outlook 2628 12. Note Added in Proof 2628 13. Abbreviations Used in This Review 2629 14. Acknowledgments 2629 15. Supporting Information Available 2630 16. References 2630

909 citations

Journal ArticleDOI
TL;DR: In this paper, the production of carbon dioxide with metal compounds as catalysts has been studied and further development of these production processes is expected, especially the productions of formic acids, formic acid methyl esters, formamides, methanol, dimethyl carbonate and urethanes with a dialkyltin catalyst.

428 citations

References
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Journal ArticleDOI
TL;DR: In this article, a reagent formed by combining diethyl azodicarboxylate (DEAD) and triphenylphosphine (TPP) could be utilized in the intermolecular dehydration between an alcohol and various acidic components such as carboxylic acids, phosphoric diesters, imides, and active methylene compounds.
Abstract: The reagent formed by combining diethyl azodicarboxylate (DEAD) and triphenylphosphine (TPP) could be utilized in the intermolecular dehydration between an alcohol and various acidic components such as carboxylic acids, phosphoric diesters, imides, and active methylene compounds. By the use of DEAD and TPP, diols and hydroxy acids gave cyclic ethers and lactones, respectively. The reaction of nucleosides with DEAD and TPP afforded triphenylphosphoranylnucleosides. Alcohols reacted with 2,6-di-t-butyl-4-nitrophenol in the presence of DEAD and TPP to give aci-nitroesters which converted into the corresponding carbonyl compounds.

3,209 citations

Journal ArticleDOI
TL;DR: In this paper, it was concluded that the gauche-butane interaction has been incorrectly interpreted as to origin, and that the relationship between methyl groups is not the cause of the relative instability of gauche conformations.

975 citations

Journal ArticleDOI
TL;DR: In this article, the reaction of carboxylic acid with triphenyl phosphine and diethyl azodicarboxylate in the presence of an alcohol has been studied.
Abstract: When n-valeric acid was treated with allyl diethyl phosphite and diethyl azodicarboxylate, allyl valeriate and diethyl N-(diethyl)phosphoryl hydrazodicarboxylate were obtained in good yields. Similarly ethyl benzoate was obtained in a nearly quantitative yield by the reaction of benzoic acid with triethyl phosphite and diethyl azodicarboxylate. The reaction of carboxylic acid with triphenyl phosphine and diethyl azodicarboxylate in the presence of an alcohol resulted in the formation of the corresponding esters of the carboxylic acid, triphenyl phosphine oxide, and diethyl hydrazodicarboxylate. The mechanisms of these reactions are also discussed.

704 citations

Journal ArticleDOI
TL;DR: In this article, a modification of the Mitsunobu protocol for effecting stereochemical inversions of alcohols has been discovered in which use of p-nitrobenzoic acid as the nucleophilic partner results in significantly improved yields with relatively hindered substrates.

320 citations

Journal ArticleDOI
TL;DR: In this article, 14 alcohols were converted to their corresponding azides with inversion of configuration using diphenyl phosphorazidate and DBU, and the resulting azides were converted into azides.
Abstract: Fourteen alcohols were converted to their corresponding azides with inversion of configuration using diphenyl phosphorazidate and DBU

271 citations