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Controlling factors determining the selective HSCN addition to double bonds and their application to the synthesis of 7-isothiocyano-7,8-alpha-dihydro-bisabolene.
(Soc Brasileira QuimicaSao PauloBrasil, 2001)
Ultrathin carbon nanotube with single, double, and triple bonds
(2012)
A metastable carbon nanotube with single, double, and triple bonds has been predicted from abinitio simulation. It results from the relaxation of an ideal carbon nanotube with chirality (2,1), without any potential barrier ...
Towards an intrinsic nucleofugality scale: The leaving group (LG) ability in CH(3)LG model system
(ELSEVIER, 2006-03-10)
For an important class of organic reactions in which a fragment of the reactants, the leaving group (LG) or nucleofuge (Z), is detached of the substrate bearing the bonding electron pair, the global electrophilicity index ...
Oxidative functionalization of a halimane diterpenoid achieved by fungal transformation
(2019-05-01)
Regio and stereoselective activation of sp 3 C–H bonds remain one of the major advantages of biocatalysis over traditional chemocatalytic methods. Herein, we describe the oxy-functionalization of halimane diterpenoid 1 by ...
Mechanistic aspects of the isomerization of Z-vinylic tellurides double bonds in the synthesis of potassium Z-vinyltrifluoroborate salts
(BEILSTEIN-INSTITUT, 2008)
Through direct transmetalation reaction of Z-vinylic tellurides with nBuLi was observed the unexpected isomerization of double bonds leading to potassium E-vinyltrifluoroborates salts in low to moderate yields. Using EPR ...
Bonding Performance of Simplified Adhesive Systems in Noncarious Cervical Lesions at 2-year Follow-up: A Double-blind Randomized Clinical Trial
(Operative Dentistry Inc, 2019-09-01)
Objectives: This study aimed to evaluate the bonding performance of a universal adhesive used according to self-etching or etch-and-rinse protocols in noncarious cervical lesions (NCCLs) and to compare the two protocols ...
Can the durability of one-step self-etch adhesives be improved by double application or by an extra layer of hydrophobic resin?
(ELSEVIER SCI LTD, 2008)
Objectives: This study evaluated the immediate and 6-month resin-dentin mu-bond strength (mu TBS) of one-step self-etch systems (Adper Prompt L-Pop [AD] 3M ESPE; Xeno III [XE] Dentsply De Trey; iBond [iB] Heraeus Kulzer) ...
On the influence of fatty acid chain unsaturation on supramolecular gelation of aminocarbohydrate-based supra-amphiphiles
(2018-12-01)
Supramolecular gels are soft materials formed mainly by low molecular weight units held together by intermolecular interactions. Stabilizing these kinds of materials is quite a challenge due to the influence of multiple ...