Chemistry of α‑Oxoesters: A Powerful Tool for the Synthesis of Heterocycles

Chemistry of α‑Oxoesters: A Powerful Tool for the Synthesis of Heterocycle

The relationship between talent management and value system of elementary school principals

This study aimed to examine talent management and its relationship with the value system of administrators. This research is descriptive and correlational with the aim of forecasting. The Statistical Society consisted of all elementary Primary school managers coeducational that they are 91 persons. Due to the small size of the community، دیران مدارس ابتدایی, Samples were taken for census. The data collection tool, are Standard questionnaire "talent management" and the "value system”. The questionnaire Talent management consisted of: attract and employing talented, identification and resolution of talented employees, using talent, developing talent, establishing and maintaining positive relationships and keeping talent. The reliability coefficient by using Cronbach's test is 0/95. The questionnaire value system considers to assess the relative importance of the six-value; Theoretical, economic, beauties, social, political and religious. The reliability coefficient by using Cronbach's test is 0/77. In this research the data are described by descriptive statistics such as mean, standard deviation and charts, and by using inferential statistics, significantly of Variable relationships were examined. Statistical analysis was performed by using spss software. The results showed between the talent management with value system, a significant relationship was not found; With a significance level of alpha 0/319 that is more than 0/05. But the investigation showed that there is a significant relationship between some variable components of talent management with some variable component value system. Such that there is a positive relationship between the variable component of talent management with religious values and there is a negative relationship between the variable component of talent management with economics values

The relationship between vaginal bleeding in the first and second trimester of pregnancy and preterm labor

Background: Vaginal bleeding is a common complication during pregnancy, which is observed in about 1/4 of pregnancies and in half of cases can lead to abortion. If vaginal bleeding happens during pregnancy some adverse pregnancy outcomes, including perinatal mortality and morbidity, low birth weight and preterm delivery will be increased. Objective: The aim of this study was to determine the relationship between vaginal bleeding and its characteristics in the first and second trimester of pregnancy and preterm labor. Materials and Methods: This is a case-control study conducted on 440 pregnant women referred to Al-Zahra Hospital in Rasht, Iran. Data were collected by a form. The form included demographic characteristics and confounding factors, the occurrence of bleeding during pregnancy and its features. Data were analyzed by T test, chi square and logistic regression in SPSS 16. Results: Findings showed that vaginal bleeding was associated with 3 times increased risk of preterm delivery (OR: 3, 1.84-4.89). Also, findings showed that bleeding characteristics including bleeding time, frequency, severity and intensity was significantly associated with preterm labor. Conclusion: According to significant association between vaginal bleeding and preterm delivery, it seems that performing some interventions to prevent preterm labor could be appropriate

2-[Anilino(phenyl)methyl]cycloheptanone

In the title compound, C20H23NO, the cycloheptanone ring adopts a twist-chair conformation, with the aminomethyl substituent in an equatorial position. The relative configuration of the two stereocenters is R,R. In the crystal, molecules are linked by N—H...O hydrogen bonds into chains along [100]