نتایج جستجو برای: 1c and 1d
تعداد نتایج: 16830339 فیلتر نتایج به سال:
General Considerations: 1 Optimization of Reaction Conditions: 2 Experimental Section: 3 Procedure for the synthesis of (3-hexylcyclobut-2-en-1-yl)methanol (1b): 3 Procedure for the synthesis of (3-phenethylcyclobut-2-en-1-yl)methanol (1d): 3 General procedure for the synthesis of cyclobutene methylethers (1a/1c): 3 Typical procedure for the synthesis of 1-(((3-hexylcyclobut-2-en-1-yl)methoxy)m...
Heat production in thermogenic plants has been attributed to a large increase in the expression of the alternative oxidase (AOX). AOX acts as an alternative terminal oxidase in the mitochondrial respiratory chain, where it reduces molecular oxygen to water. In contrast to the mitochondrial terminal oxidase, cytochrome c oxidase, AOX is nonprotonmotive and thus allows the dramatic drop in free e...
Bovine enteroviruses are currently classified into two serotypes within the species Bovine enterovirus (BEV). Comparison of the sequences of six American and eleven German BEV isolates with published BEV sequences revealed the necessity to revise the taxonomy of these viruses. Molecular data indicate that the bovine enteroviruses are composed of two clusters (designated BEV-A and -B) each with ...
A series of Pt(II) bipyridyl complexes with different aryl substituents (Ar = naphthyl (1a), anthryl (1b), pyrenyl (1c) and phenothiazyl (1d)) on the fluorenylacetylide ligands are synthesized and investigated. The influence of the aryl substituent on the photophysics of these complexes is systematically investigated by spectroscopic methods and simulated by time dependent density functional th...
An adolescent girl with prior right lower eyelid epiblepharon repair was referred to a tertiary care center for assessment of ipsilateral Brown syndrome. She was initially diagnosed 3 years previously and had been observed without treatment or report of bothersome symptoms. Clinical examination noted normal visual acuity and expected decreased orbital elevation with adduction. On a 3 Tesla magn...
Complexes [PhBP3]RuH(η(3)-H2SiRR') (RR' = Me,Ph, 1a; RR' = Ph2, 1b; RR' = Et2, 1c) react with XylNC to form carbene complexes [PhBP3]Ru(H)═[C(H)(N(Xyl)(η(2)-H-SiRR'))] (2a-c; previously reported for 2a,b). Reactions of 1a-c with XylNC were further investigated to assess how metal complexes with multiple M-H-Si bonds can mediate transformations of unsaturated substrates. Complex 2a eliminates an...
The regioselectivity and the photochemical efficiency were investigated in the Paternò-Büchi reaction of 1,3-dimethylthymine (DMT) and 1,3-dimethyluracil (DMU) with benzophenone (1b) and some 4,4'-disubstituted derivatives (dimethoxy (1a), difluoro (1c), dichloro (1d), dibromo (1e) and dicyano benzophenone (1f)) that gives rise to two regioisomeric oxetanes, 2 and 3. The regioselectivity (the r...
XAGE-1 is a member of the cancer/testis antigen family and it was first identified by searching for the PAGE/ GAGE-related genes. Four transcript variants XAGE-1a, -1b, -1c and XAGE-1d have been discovered and have a broad expression in cancer. As a prominent transcript, XAGE-1b is encoded by 81 amino acids with a molecular weight of 9 kDa. We determined the cellular localization of all four sp...
A series of vanadium(III) complexes bearing monodentate tertiary phosphine ligands of the type VCl3(PRnPh3-n)2 (n = 0 (1a); n = 1 and R = Me (1b), Et (1c), iPr (1d), Cy (1e); n = 2 and R = Me (1f), Et (1g), Cy (1h)), and VCl3(PR3)2 (R = Cyp (2a), Cy (2b), nPr (2c), tBu (2d)) were synthesized and characterized. In the case of 1c, 1g and 2a single crystals were also obtained and their molecular s...
On grammatical accounts, this indicates a relation between two arguments that ensures their coreference, for any assignment of values to variables. PRO in (1c), for example, would be related in this way to an argument that is linked to the role of trader in either (1a) or (1b). Such accounts have good motives, sketched in §3. But in this paper we make two objections, one syntactic and one seman...
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