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1997 1
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Conformational Structures of Neutral and Cationic Pivaldehyde Revealed by IR-Resonant VUV-MATI Mass Spectroscopy.
Park SM, Lee YR, Kwon CH. Park SM, et al. Int J Mol Sci. 2022 Nov 26;23(23):14777. doi: 10.3390/ijms232314777. Int J Mol Sci. 2022. PMID: 36499105 Free PMC article.
Pivaldehyde, which is an unwanted by-product released with engine exhaust, has received considerable research attention because of its hydrocarbon oxidations at atmospheric temperature. ...Furthermore, Franck-Condon analysis confirmed that most peaks in the VUV-MATI spectr
Pivaldehyde, which is an unwanted by-product released with engine exhaust, has received considerable research attention because of it
Cinchona alkaloid-lewis acid catalyst systems for enantioselective ketene-aldehyde cycloadditions.
Zhu C, Shen X, Nelson SG. Zhu C, et al. J Am Chem Soc. 2004 May 5;126(17):5352-3. doi: 10.1021/ja0492900. J Am Chem Soc. 2004. PMID: 15113194
The range of aldehyde substrates that serve as effective AAC substrates include sterically hindered aldehydes such as cyclohexanecarboxaldehyde and pivaldehyde....
The range of aldehyde substrates that serve as effective AAC substrates include sterically hindered aldehydes such as cyclohexanecarboxaldeh …
Diastereomeric Reissert compounds of isoquinoline and 6,7-dimethoxy-3,4-dihydroisoquinoline in stereoselective synthesis.
Gibson HW, Berg MA, Dickson JC, Lecavalier PR, Wang H, Merola JS. Gibson HW, et al. J Org Chem. 2007 Jul 20;72(15):5759-70. doi: 10.1021/jo070786k. Epub 2007 Jun 26. J Org Chem. 2007. PMID: 17592876
(S)-8/(R)-8 (1:1) via the corresponding anions (NaH, -40 degrees C, DMF) with pivaldehyde yielded in 82:18 predominance the S-diastereomer of 1-isoquinolyl tert-butyl carbinyl l-menthyl carbonate ((S)-12), which was obtained in pure form by a single recrystallization; hydr …
(S)-8/(R)-8 (1:1) via the corresponding anions (NaH, -40 degrees C, DMF) with pivaldehyde yielded in 82:18 predominance the S-diaster …
Origin of syn/anti diastereoselectivity in aldehyde and ketone crotylation reactions: a combined theoretical and experimental study.
Tietze LF, Kinzel T, Schmatz S. Tietze LF, et al. J Am Chem Soc. 2006 Sep 6;128(35):11483-95. doi: 10.1021/ja062528v. J Am Chem Soc. 2006. PMID: 16939272
While the crotylations of acetaldehyde and propionaldehyde mainly result in the syn product for E-configurated silane and in the anti product for Z-configurated silane, the syn product is found as main product for the crotylation of pivaldehyde regardless of substrate doub …
While the crotylations of acetaldehyde and propionaldehyde mainly result in the syn product for E-configurated silane and in the anti produc …
Chemoselectivity and stereoselectivity of cyclisation pathways leading to bicyclic tetramates controlled by ring-chain tautomerisation in thiazolidines.
Panduwawala TD, Iqbal S, Tirfoin R, Moloney MG. Panduwawala TD, et al. Org Biomol Chem. 2016 May 11;14(19):4464-78. doi: 10.1039/c6ob00557h. Org Biomol Chem. 2016. PMID: 27089842
Chemoselective Dieckmann cyclisation reactions on N-malonyl thiazolidine templates derived from cysteine and pivaldehyde or aromatic aldehydes may be used to access bicyclic tetramates, for which different pathways operate as a result of differing ring-chain tautomeric beh …
Chemoselective Dieckmann cyclisation reactions on N-malonyl thiazolidine templates derived from cysteine and pivaldehyde or aromatic …
Gas-phase synthesis and reactivity of the organomagnesates [CH3MgL2]- (L = Cl and O2CCH3): from ligand effects to catalysis.
O'Hair RA, Vrkic AK, James PF. O'Hair RA, et al. J Am Chem Soc. 2004 Sep 29;126(38):12173-83. doi: 10.1021/ja048476w. J Am Chem Soc. 2004. PMID: 15382954
The [CH(3)MgL(2)](-) ions reacted with (i) aldehydes with enolizable protons via enolization rather than the Grignard reaction and (ii) CH(3)CO(2)H to complete a catalytic cycle for the decarboxylation of acetic acid. Other electrophilic reagents such as pivaldehyde, benza …
The [CH(3)MgL(2)](-) ions reacted with (i) aldehydes with enolizable protons via enolization rather than the Grignard reaction and (ii) CH(3 …
Divinyl BODIPY derivative: Synthesis, photophysical properties, crystal structure, photostability and bioimaging.
Yang L, Liu Y, Liu W, Ma C, Zhang C, Li Y. Yang L, et al. Bioorg Med Chem Lett. 2015 Dec 15;25(24):5716-9. doi: 10.1016/j.bmcl.2015.10.091. Epub 2015 Oct 30. Bioorg Med Chem Lett. 2015. PMID: 26542965
4,4-Difluoro-3,5-bis(3,3-dimethyl-1-butenyl)-8-anthryl-4-bora-3a,4a-diaza-s-indacene (1), a symmetric fluorescent difluoroboron dipyrromethene dye, was produced in Knoevenagel reaction involving 4,4-difluoro-3,5-bis(methyl)-8-anthryl-4-bora-3a,4a-diaza-s-indacene (2) and pival
4,4-Difluoro-3,5-bis(3,3-dimethyl-1-butenyl)-8-anthryl-4-bora-3a,4a-diaza-s-indacene (1), a symmetric fluorescent difluoroboron dipyrromethe …
Copper(II) complexes of novel N-alkylated derivatives of cis,cis-1,3,5-triaminocyclohexane. 1. Preparation and structure.
Park G, Shao J, Lu FH, Rogers RD, Chasteen ND, Brechbiel MW, Planalp RP. Park G, et al. Inorg Chem. 2001 Aug 13;40(17):4167-75. doi: 10.1021/ic000829e. Inorg Chem. 2001. PMID: 11487319
The tach-neopentyl(3) and tach-furan(3) derivatives were prepared by formation of the imine from tach and pivaldehyde or furan-2-carboxaldehyde, respectively, followed by reduction of the imine. ...
The tach-neopentyl(3) and tach-furan(3) derivatives were prepared by formation of the imine from tach and pivaldehyde or furan-2-carb …
Rate acceleration of the Baylis-Hillman reaction in polar solvents (water and formamide). Dominant role of hydrogen bonding, not hydrophobic effects, is implicated.
Aggarwal VK, Dean DK, Mereu A, Williams R. Aggarwal VK, et al. J Org Chem. 2002 Jan 25;67(2):510-4. doi: 10.1021/jo016073y. J Org Chem. 2002. PMID: 11798324
The reaction has been extended to other aldehyde electrophiles including pivaldehyde. Attempts to extend this work to acrylates was only partially successful as rapid hydrolysis of methyl and ethyl acrylates occurred under the base-catalyzed and water-promoted conditions. …
The reaction has been extended to other aldehyde electrophiles including pivaldehyde. Attempts to extend this work to acrylates was o …
Asymmetric synthesis and evaluation of a hydroxyphenylamide voltage-gated sodium channel blocker in human prostate cancer xenografts.
Davis GC, Kong Y, Paige M, Li Z, Merrick EC, Hansen T, Suy S, Wang K, Dakshanamurthy S, Cordova A, McManus OB, Williams BS, Chruszcz M, Minor W, Patel MK, Brown ML. Davis GC, et al. Bioorg Med Chem. 2012 Mar 15;20(6):2180-8. doi: 10.1016/j.bmc.2011.08.061. Epub 2011 Sep 1. Bioorg Med Chem. 2012. PMID: 22364743 Free PMC article.
Using Seebach and Frater's chiral template, cyclocondensation of (R)-3-chloromandelic acid with pivaldehyde furnished both the cis- and trans-2,5-disubsituted dioxolanones. ...
Using Seebach and Frater's chiral template, cyclocondensation of (R)-3-chloromandelic acid with pivaldehyde furnished both the cis- a …
17 results