Retrosynthetic Approach to the Synthesis of Phenothiazines
Two possible approaches to the phenothiazine ring that, to the authors’ knowledge, have not been explored yet. The attack of a nitrene onto a diary sulde, the "nitrogen equivalent" of the thionation reaction. The diene character of ve-membered rings.
| Рубрика | Химия |
| Предмет | Сhemistry |
| Вид | научная работа |
| Язык | английский |
| Прислал(а) | Ира |
| Дата добавления | 05.03.2013 |
| Размер файла | 276,3 K |
Отправить свою хорошую работу в базу знаний просто. Используйте форму, расположенную ниже
Студенты, аспиранты, молодые ученые, использующие базу знаний в своей учебе и работе, будут вам очень благодарны.
Подобные документы
Experimental details of the chemical transients kinetics and pulsed field desorption mass spectrometry methods. Kinetic measurements with the PFDMS method. Data on the CO hydrogenation over CoCu-based catalysts using CTK. CO hydrogenation reaction.
статья [334,2 K], добавлен 10.05.2011Ethyl acetate. The existing methods of obtaining the desired product. Technological scheme of EtOAc production. Chemical reactions. Production in industry. Chemical reactions. Methanol as intermediate product. The technology of receiving ethanol.
презентация [628,4 K], добавлен 15.02.2015The birth of Apple IPod as the first portable music player was an idea of Jobs that reshuffled the Market cards into new worlds of users needs. Adapting to change and reaction is not sufficient. Change and experimenting new things and renewal synthesis.
эссе [758,5 K], добавлен 01.04.2012Approach - one’s viewpoint toward teaching. The set of principles, beliefs, or ideas about the nature of learning which is translated into the classroom. Learner, performance and competency based approach. Teacher’s and student’s role in the teaching.
презентация [447,5 K], добавлен 21.10.2015Особенности технологии Token Ring. Свойство отказоустойчивости, процедуры контроля работы сети, использующие обратную связь кольцеобразной структуры. Маркерный метод доступа к разделяемой среде. Формат маркера сети Token Ring, байта управления доступом.
курсовая работа [755,3 K], добавлен 21.07.2012Characteristic of the intellectual movement that gained strength in reaction to the Industrial Revolution. Studying the difference between "Songs of Innocence" and "Songs of Experience". Description of the main authors belonged to London Romanticism.
контрольная работа [27,4 K], добавлен 30.04.2011Become familiar with the holding of the first Olympic Games in ancient Greece in 776 BC Description of the data symbol games - intertwined colored rings represent the unity of the five continents. The study species medals strength symbol of fire.
презентация [1,6 M], добавлен 29.12.2014История возникновения сети Token-Ring как альтернативы Ethernet. Топология сети, соединение абонентов, концентратор Token-Ring. Основные технические характеристики сети. Формат пакета (кадра) сети. Назначение полей пакета. Маркерный метод доступа.
презентация [1,9 M], добавлен 20.06.2014The concept of social reality and social fact. Laws and categories of sociology. Structure of sociological knowledge. Levels of sociological knowledge. Macro-sociology and micro-sociology. Fundamental theoretic sociology. Applied empiric sociology.
реферат [22,4 K], добавлен 29.11.2008Different approaches to meaning, functional approach. Types of meaning, grammatical meaning. Semantic structure of polysemantic word. Types of semantic components. Approaches to the study of polysemy. The development of new meanings of polysemantic word.
курсовая работа [145,2 K], добавлен 06.03.2012Character is the most important thing in a person which attracts or repulses other people. Each of us has his or hers good and bad features of character.
реферат [17,7 K], добавлен 11.06.2007Context approach in teaching English language in Senior grades. Definition, characteristics and components of metod. Strategies and principles of context approach. The practical implementation of Context approach in teaching writing in senior grades.
дипломная работа [574,3 K], добавлен 06.06.2016The concept of the Golden Ring of Russia, its structure and components. Cities included in it: Sergiev Posad, Pereslavl-Zalesskiy, Rostov, Yaroslavl, Kostroma, Ivanovo, Suzdal, Vladimir. Sights to these cities and assessment of their cultural values.
презентация [7,0 M], добавлен 12.01.2016Token ring как технология локальной вычислительной сети (LAN) кольца с "маркерным доступом" - протокол локальной сети на канальном уровне (DLL) модели OSI. Логическая организация станций Token ring в кольцевую топологию с данными. Описание метода доступа.
лекция [168,8 K], добавлен 15.04.2014Description of the Golden Ring of Russia as a group of tourist routes through the ancient Russian city. Historical facts and architectural attractions of Vladimir, Suzdal, Ivanovo, Kostroma, Sergiev Posad, Yaroslavl, Pereslavl, Rostov (Yaroslavl region).
реферат [55,2 K], добавлен 13.01.2016The nature of speaking and oral interaction. Communicative approach and language teaching. Types of communicative exercises and approaches. Games as a way at breaking the routine of classroom drill. Some Practical Techniques for Language Teaching.
дипломная работа [72,3 K], добавлен 21.07.2009Concept as a linguo-cultural phenomenon. Metaphor as a means of concept actualization, his general characteristics and classification. Semantic parameters and comparative analysis of the concept "Knowledge" metaphorization in English and Ukrainian.
курсовая работа [505,9 K], добавлен 09.10.2020Data mining, developmental history of data mining and knowledge discovery. Technological elements and methods of data mining. Steps in knowledge discovery. Change and deviation detection. Related disciplines, information retrieval and text extraction.
доклад [25,3 K], добавлен 16.06.2012Description of the basic principles and procedures of used approaches and methods for teaching a second or foreign language. Each approach or method has an articulated theoretical orientation and a collection of strategies and learning activities.
учебное пособие [18,1 K], добавлен 14.04.2014The events in the novel "To Kill a Mockingbird". The opposition between children’s and adults. "The Secret Diary of Adrian Mole" as the picture of the world from the point of view of a teenager. Examples of Adrian’s relations with adults in the novel.
реферат [13,5 K], добавлен 16.05.2016
