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Page 1
Showing results for chiral p
Search for Chirag P instead (1 results)
Copper(I)-Catalyzed Asymmetric Synthesis of P-Chiral Aminophosphinites.
Li YB, Tian H, Zhang S, Xiao JZ, Yin L. Li YB, et al. Angew Chem Int Ed Engl. 2022 Mar 21;61(13):e202117760. doi: 10.1002/anie.202117760. Epub 2022 Feb 7. Angew Chem Int Ed Engl. 2022. PMID: 35076164
In the cases of unsymmetrical diarylphosphines, an array of P-chiral aminophosphinites is synthesized in high yields with high enantioselectivity by using a copper(I)-(R,R(P) )-Ph-FOXAP complex as a chiral catalyst. ...Finally, one representative P …
In the cases of unsymmetrical diarylphosphines, an array of P-chiral aminophosphinites is synthesized in high yields with high …
Diversity-oriented synthesis of P-stereogenic and axially chiral monodentate biaryl phosphines enabled by C-P bond cleavage.
Pang L, Huang Z, Sun Q, Li G, Liu J, Li B, Ma C, Guo J, Yao C, Yu J, Li Q. Pang L, et al. Nat Commun. 2023 Jul 24;14(1):4437. doi: 10.1038/s41467-023-40138-8. Nat Commun. 2023. PMID: 37482556 Free PMC article.
However, the creation of structurally diverse chiral MOPs with both P- and axial chirality is still in high demand but challenging. Here, we show a distinct strategy for diversity-oriented synthesis of structurally diverse MOPs containing both P- and a …
However, the creation of structurally diverse chiral MOPs with both P- and axial chirality is still in high demand but …
Chiral and Regenerable NAD(P)H Models Enabled Biomimetic Asymmetric Reduction: Design, Synthesis, Scope, and Mechanistic Studies.
Wang J, Zhao ZB, Zhao Y, Luo G, Zhu ZH, Luo Y, Zhou YG. Wang J, et al. J Org Chem. 2020 Feb 21;85(4):2355-2368. doi: 10.1021/acs.joc.9b03054. Epub 2020 Jan 10. J Org Chem. 2020. PMID: 31886670
However, the development of a general and new-generation biomimetic asymmetric reduction is still a long-term challenge. Herein, a series of chiral and regenerable NAD(P)H models with central, axial, and planar chiralities have been designed and applied in bi …
However, the development of a general and new-generation biomimetic asymmetric reduction is still a long-term challenge. Herein, a series of …
Unusual Racemization of Tertiary P-Chiral Ferrocenyl Phosphines.
Popp J, Hanf S, Hey-Hawkins E. Popp J, et al. Chemistry. 2020 May 7;26(26):5765-5769. doi: 10.1002/chem.202000218. Epub 2020 Apr 1. Chemistry. 2020. PMID: 32048370 Free PMC article.
Successively excluding possible racemization causes, these P-chiral ferrocenyl phosphines were found to undergo a significant, acid-catalyzed racemization process at room temperature within a few minutes. ...Therefore, the stereochemical preservation of P- …
Successively excluding possible racemization causes, these P-chiral ferrocenyl phosphines were found to undergo a significant, …
Axially chiral N-alkyl-N-cinnamoyl amide type P,olefin ligands for Pd-catalyzed reactions.
Mino T, Takaya K, Koki K, Akimoto N, Yoshida Y, Kasashima Y, Sakamoto M. Mino T, et al. Org Biomol Chem. 2023 Mar 29;21(13):2775-2778. doi: 10.1039/d3ob00224a. Org Biomol Chem. 2023. PMID: 36920143
We synthesized N-alkyl-N-cinnamoyl amide type phosphine-olefin compounds 1 and found axial chirality in a C(aryl)-N(amide) bond in compounds 1 by HPLC analysis using a chiral stationary phase column. We successfully obtained enantiomeric isomers of 1 and demonstrate …
We synthesized N-alkyl-N-cinnamoyl amide type phosphine-olefin compounds 1 and found axial chirality in a C(aryl)-N(amide) bond in co …
Enantioselective synthesis of axially chiral P-containing allenes for allenyl chirality.
Feng G, Wang Q. Feng G, et al. Chem Catal. 2024 Mar 21;4(3):100954. doi: 10.1016/j.checat.2024.100954. Chem Catal. 2024. PMID: 40353065 Free PMC article.
In this issue of Chem Catalysis, Wang J. and co-workers have established an efficient and practical route to construct versatile di-, tri-, and tetra-substituted phosphoryl allenes via a nickel-catalyzed propargylic substitution reaction, offering a powerful tool for the assembly …
In this issue of Chem Catalysis, Wang J. and co-workers have established an efficient and practical route to construct versatile di-, tri-, …
Stereospecific synthesis of chiral P-containing polyaromatics based on 7-membered P-rings.
Mokrai R , Mocanu A , Duffy MP , Vives T , Caytan E , Dorcet V , Roisnel T , Nyulászi L , Benkő Z , Bouit PA , Hissler M . Mokrai R , et al. Chem Commun (Camb). 2021 Jul 28;57(59):7256-7259. doi: 10.1039/d1cc02293h. Epub 2021 Jul 1. Chem Commun (Camb). 2021. PMID: 34195719
We present the stereospecific synthesis of helicenoid-based phosphepines (7-membered P-rings) as well as chiral P-containing polycyclic aromatic hydrocarbons. In these systems, an axial to central chirality transfer takes place from the BINAP moiety to …
We present the stereospecific synthesis of helicenoid-based phosphepines (7-membered P-rings) as well as chiral P-conta …
Asymmetric copper-catalyzed hydrophosphinylation of ethynylazaarenes to access P-chiral 2-azaaryl-ethylphosphine oxides.
Zhang J, Guo J, Xu R, Zheng D, Lian K, Zhang Z, Cao S, Jiang Z. Zhang J, et al. Chem Sci. 2025 Mar 3;16(14):5957-5966. doi: 10.1039/d5sc00358j. eCollection 2025 Apr 2. Chem Sci. 2025. PMID: 40060098 Free PMC article.
We report a cost-effective approach for the enantioselective hydrophosphinylation of ethynylazaarenes utilizing a chiral copper catalytic platform. This strategy efficiently converts racemic secondary phosphine oxides (SPOs) into P-chiral tertiary phosphine o …
We report a cost-effective approach for the enantioselective hydrophosphinylation of ethynylazaarenes utilizing a chiral copper catal …
Facile Synthesis of Enantiomerically Pure P-Chiral 1-Alkoxy-2,3-dihydrophospholes via Nucleophilic P-N Bond Cleavage of a 1-Phospha-2-azanorbornene.
Ramazanova K, Lönnecke P, Hey-Hawkins E. Ramazanova K, et al. Chemistry. 2023 Aug 10;29(45):e202300790. doi: 10.1002/chem.202300790. Epub 2023 Jun 6. Chemistry. 2023. PMID: 37188645
The reactive P-N bond in a racemic mixture of endo-1-phospha-2-azanorbornene (PAN) (R(P) /S(P) )-endo-1 is readily cleaved with enantiomerically pure lithium alkoxides followed by protonation to afford diastereomeric mixtures of P-chiral 1-alkox …
The reactive P-N bond in a racemic mixture of endo-1-phospha-2-azanorbornene (PAN) (R(P) /S(P) )-endo-1 is readily clea …
Full Control of the Chiral Overpass Effect in Helical Polymers: P/M Screw Sense Induction by Remote Chiral Centers After Bypassing the First Chiral Residue.
Rodríguez R, Rivadulla-Cendal E, Fernández-Míguez M, Fernández B, Maeda K, Quiñoá E, Freire F. Rodríguez R, et al. Angew Chem Int Ed Engl. 2022 Nov 14;61(46):e202209953. doi: 10.1002/anie.202209953. Epub 2022 Oct 13. Angew Chem Int Ed Engl. 2022. PMID: 36121741 Free PMC article.
In helical polymers, helical sense induction is usually commanded by teleinduction mechanism, where the largest substituent of the chiral residue directly attached to the main chain is the one that commands the helical sense. In this work, different helical structures with …
In helical polymers, helical sense induction is usually commanded by teleinduction mechanism, where the largest substituent of the chiral …
10,387 results
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