... Sp and Rp phosphorothioate dimers, converted them to the amidites (Scheme 1), and used the diastereomerically pure ... O O OTBDMS ABz OPS O O O + O OTBDMS O O OTBDMS ABz OPS O O O O O OTBDMS DMTrO A Bz O O OTBDMS A Bz OPS O PNOCN NC NC ...
... (sp”) than the angles of 107° and 111° in the buckled 2x1. Since the ... dimers. The calculations quoted so far considered perfectly ordered surfaces at 0 K. When the temperature is increased, the dimers vibrate and may flip between -o and -oo ...
... o o * orn on. P-O o H;C o 117 G > o Le Bec and Wickstrom, using stereospecific Grignard-activated solid-phase methodology, synthesized stereoregular (Rp)- and (Sp)-DNA methylphosphonate dimers. The dimers were cleaved from the solid ...
... oo, when the two-body bound state has exactly zero energy, and if koro 31, one can expect that the energy per particle of the system is proportional to sp = h^k}/2m, see Bertsch's 1999 MBX Many-Body Challenge ". This problem was ...
... oo, when the two-body bound state has exactly zero energy, and if koro 31, one can expect that the energy per particle of the system is proportional to sp = h^k}/2m, see Bertsch's 1999 MBX Many-Body Challenge ". This problem was ...
... dimers or trimers have been devised , 12,52,53 and pure Rp and Sp units can ... O O HO O n O = P 0 S- 36 HO OH Most natural oligo- and polynucleotides ... dimers and trimers have been prepared both chemically via phosphites and ...
... O O OH O. 7. Cytosporone D from Phomopsis sp. of Phytolacca dioica Phytolacca dioica is used in ethnopharmacology as ... Dimers from Phomopsis sp. from Tectona grandis L. The endophyte Phomopsis sp. BCC 1323 was isolated from a teak leaf ...
... O O OH OH Fig. 1.12 (−)-Epicatechin and procyanidin dimers found in apples. sour cherries (Prunus cerasus), grapes and blackberries (Rubus sp.) (Porter, 1988). The seeds of red grapes contain substantial quantities of (+)-catechin ...
... dimers - oo orientation , in which the two sp2 hybrids are overlapped , лл оrientation , in which the two pure p orbitals of л symmetry are overlapped , and sp orientation , in which the sp2 hybrid of one fragment overlaps the pure л ...
... dimers were isolated from soil-dwelling Streptomyces sp. Among them, naquihexcin E (16) exhibited inhibitory effects against HIV-1 (EC50 = 2.8 μM; TI = 22.5) [20]. glu O O OH O HH OH O OH O O COOH COOH O O S O O O OH OH O HO O O HO OH ...