This chapter describes various syntheses of hamigeran B. Different methodologies were developed, and for our part, we achieved a formal synthesis of (±)-hamigeran B involving an intramolecular alkynylogous Mukaiyama aldol reaction promoted by dual Lewis acid activation as a key step. This unexpected reaction was discovered by treating a ketone with TBSOTf/NEt3 in order to obtain the corresponding silyl enol ether, which, in fact, evolves toward a new type of intramolecular aldol reaction. Fortunately, the study of the scope and limitations of this reaction allowed us to set up an original synthetic route to hamigeran B. Our results indicated clearly that serendipity plays a key role in the development of original strategies in organic synthesis.
This chapter describes various syntheses of hamigeran B. Different methodologies were developed, and for our part, we achieved a formal synthesis of (±)-hamigeran B involving an intramolecular alkynylogous Mukaiyama aldol reaction promoted by dual Lewis acid activation as a key step. This unexpected reaction was discovered by treating a ketone with TBSOTf/NEt3 in order to obtain the corresponding silyl enol ether, which, in fact, evolves toward a new type of intramolecular aldol reaction. Fortunately, the study of the scope and limitations of this reaction allowed us to set up an original synthetic route to hamigeran B. Our results indicated clearly that serendipity plays a key role in the development of original strategies in organic synthesis.
This book explores childrearing approach as one of the prime sites of the reproduction of social inequality. During the latter half of the 2000s, UK and Scottish government policy placed increasing emphasis on the importance of parenting and the early years as factors likely to have an impact on health, education and employment outcomes. Between 2005 and 2008 – the timeframe considered by this study – a number of policy initiatives emerged which were intended to support “better parenting”. This book argues that what was presented as a model of good parenting was in essence a model of middle class parenting which misunderstood and devalued other parenting approaches. In this study, Lareau’s typology of childrearing approach is used as a means of situating the UK parenting policy discourse within a broader theoretical context and assessing critically the extent to which this policy discourse reflects childrearing approaches in Scotland. The book concludes that family policy between 2005 and 2008 did not fully reflect the variety of childrearing approaches in Scotland, and that mothers whose circumstances and childrearing approach diverged from the policy model may not have been adequately supported.
This brief presents the case study of a hill in Czech Republic (Říp) and its region, and contributes to theorization in sociocultural psychology on three points, along three current debates. First, it contributes to the exploration of the mutual constitution of the lifecourse and of history, uses a distinction between socio-, micro- and ontogenesis, and argues that a focus on a delimited geographical space enables to better observe the processes by which history, daily situated interactions and courses of life shape each other. Second, in doing so, it sketches an understanding of the role of the material, spatial and semiotic specificities of landscapes in human development. Especially, it identifies some of the processes by which redundant dynamic patterns present in the environment may participate to the guidance of human experience. Third, it expands the reflection on case study construction and generalization. On the one side, it participates to a current debate in cultural psychology on the dynamics of generalization from single cases; on the other, it also dialogues with a more general reflection in the social sciences on social dynamics at the scale of small regions. Altogether, this brief is a first attempt to examine jointly these questions at the scale of a small region, a unique natural laboratory of social and psychological change. It will be of interest to researchers as well as graduate students in the fields of cultural and sociocultural psychology, cognitive psychology, and the social sciences.
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