N cyclic

Ring-alkohol, m. cyclic alcohol, -amin, n. cyclic amine. 

For example, the cyclic tetramer is the 8-membered ring compound 2. On the basis of equation 1, the adjacent NH and SiH groups provide the functionality which permits the molecular weight of the [CH3SiHNH]n cyclics to be increased. Thus, [CH3SiHNH]n cyclics will be linked together via four-membered rings as shown in 3. 

Matulef, K. and Zagotta, W. N. Cyclic nucleotide-gated ion channels. Annu. Rev. Cell Dev. Biol. 19, 23-44, 2003. 

Quin, L. D. Hughes, A. N. Cyclic Phosphines. In The Chemistry of Organophosphorus Compounds, Hartley, F., Ed. John Wiley Chichester 1990. 

Singlet oxygen reacts with many carbocyclic 1,3-dienes to form the corresponding bridged endoperoxides, which can be further transformed into miscellaneous polyoxy functionalized carbocycles . The rate of photooxygenation of n-cyclic 1,3-dienes is gradually decreasing in the order n = 5) >6>7 8 While the rate... 

We will consider the reactivity of macrocyclic compounds in more detail in chapter 6, but let us consider here the reaction of a nickel(n) cyclic imine complex with water. 

Thus cyclic characteristics of various cycles will differ only in values of the factors (n ). Cyclic characteristics for two different cycles with the same"natural brutto-equations are proportional to each other... 

Figure 23 The bifurcated Ar-H N aliphatic H-CBr- and eight-membered double Ar-H N cyclic interactions present between host layers in the structure of (9)2-(CF3-C6H5).

Cyclic secondary amines lead to N-cyclized tertiary enamines which are of great synthetic use. The rates of hydrolysis and the pKa values for the dissociation of N-protonated enamines decrease in the case of N-cyclic 1-TV-isobutenes in the sequence from pyrrolidino (22b) to piperidino (22c) to the morpholino (22d) derivative73, i.e. the pyrrolidino enamines hydrolyse fastest. However, enamines of 3,3-dimethylazetidine74 analogous to 22e and acyclic tertiary enamines react even faster8. 

A very interesting comparative X-ray diffraction study of six N-cyclic endocyclic enamines 77147 and 78 to 82 was performed by Dunitz and coworkers144. Structural formulae and nomenclature of these enamines are presented in Scheme 2. In addition, 1,1,2-trimorpholinoethene148 (83) is included. Relevant heavy atom distances of the enamino groups are given in Table 1 and angles in Table 2. These structures (77-83) cover enamines mainly of cyclohexene with pyrrolidino, piperidino and morpholino substituents. 

Structural formulae and nomenclature for experimental X-ray data of tertiary N-cyclic enamines... 

Figures. Molecular Design of Market Products by Acyclic -n------ Cyclic Bioisosterism...

M. Masella and J.P. Hament, A pairwise and two many-body models for water influence of nonpairwise effects upon the stability and geometry of (H20)n cyclic (n=3-6) and cagelike (n=6-20) clusters, J. Chem. Phys., 107 (1997) 9105-9116. 

Fig. 13.n Cyclic phosphorylation enables the cell to make more ATP and No NADPH... 

The aldehyde precursor, with the c -alkene derived from lyxose (42.0 mg, 0.12 mmol) was drawn into a syringe with a solution of 1 mL of THF-methanol (3 1 v/v) and added dropwise to a cooled solution (—78°C) of Smij (3.6 mL, 0.1 M in THF), over 5 min. The solution was kept at —78°C for 1 h. When the reaction was complete, as indicated by TLC analysis, it was quenched with aqueous saturated sodium bicarbonate solution (1 mL) and extracted with ether. Chromatography using 50 50 ether-hexane gave 31.0 mg (73%) of pure. n-cyclic alcohol. 

Besides linear dimeric 3-APs, different structural types of N-cyclic related compounds have been found in haplosclerid sponges so far. The first are haliclamines (49-52), Fig. (13), tetrahydropyridines linked through long alkyl chains, that were isolated from both the Okinawan... 

Dynamic) Kinetic Resolution of Racemic N-Cyclic Anhydrides... 

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