The stereodivergent ring-opening of 2-phenyl oxazaphospholidines with alkyl lithium reagents is reported. N-H oxazaphospholidines derived from both (+)-cis-1-amino-2-indanol and (-)-norephedrine provide inversion products in a highly stereoselective process. In contrast, N-Me oxazaphospholidines yield ring-opening products with retention of configuration at the P center, as previously reported ...

Abstract This paper considers the definition and properties of generalized natural transform on sets functions. Convolution products, convolution theorems, spaces Boehmians are described in a form auxiliary results. The constructed achieved fulfilled by pursuing deep analysis set delta sequences axioms which have mitigated construction spaces. Such results exploited emphasizing virtual addresse...

In this paper, we compute and demonstrate the equivalence of joint distribution first letter descent statistics on six avoidance classes permutations corresponding to two patterns length four. This is in turn shown be equivalent a restricted class inversion sequences for that record last number distinct positive letters, affirming recent conjecture Lin Kim. Members each also are enumerated by $...

Research has emerged providing consistent support for the behavioral approach system (BAS) dysregulation theory of bipolar disorder. The objective of the current article is to examine the extent to which findings from the BAS dysregulation theory can inform psychosocial interventions for bipolar disorder. Towards this end, we first provide an overview of the BAS dysregulation theory. Second, we...

In this paper we announce the new BITS Synthesis Corpus for German. The BITS project is funded by the German Ministry of Education and Science to provide a publicly available synthesis corpus for German. The corpus comprises the voices of four German speakers (two male and two female) and consists of two parts: a set of logatome recordings for controlled diphone synthesis and a set of sentence ...

here in, an application of a new seismic inversion algorithm in one of iran’s oilfields is described. stochastic (geostatistical) seismic inversion, as a complementary method to deterministic inversion, is perceived as contribution combination of geostatistics and seismic inversion algorithm. this method integrates information from different data sources with different scales, as prior informat...

shear-wave velocity ( ) is an important parameter used for site characterization in geotechnical engineering. however, dispersion curve inversion is challenging for most inversion methods due to its high non-linearity and mix-determined trait. in order to overcome these problems, in this study, a joint inversion strategy is proposed based on the particle swarm optimization (pso) algorithm. the ...

When there is a high correlation between the study and the  auxiliary variables, the rank of the auxiliary variable also correlates with the study variable. Then, the use of the rank as an additional auxiliary variable may be helpful to increase the efficiency of the estimator of the mean or total of the population.   In the present study, we propose two  generalized familie...

a rare case of non-puerperal uterine inversion caused by a large fundal leiomyoma in a 39-year nulliparous, infertile woman resulting in intractable hemorrhage was reported after a myomectomy. attempts to reduce the inversion vaginally by transecting the anterior and posterior cervix were unsuccessful and a laparotomy was performed. the inversion was not successfully corrected and hysterectomy ...

New deterministic algorithms for routing permutations on an n n MIMD mesh are presented. They are very eecient in terms of the size of auxiliary memory at each processor, measured as the maximum number of packets that need to be queued. One algorithm runs in the optimal time 2 n ? 2 with a maximum queue length of 33. Another runs in the near-optimal time 2 n + O(1) with a maximum queue length o...