The Chiral Pool

This involves the use of a chiral template from which the target compound can be assembled. These chiral templates are obtained from the vast diversity of natural products. The template chosen usually has the same stereochemistry as a fragment of the desired product. The chiral unit itself may also be capable of exerting a degree of inductive stereocontrol in subsequent steps of the synthesis. In order to be of use these natural products must be readily available and moderately inexpensive. A wide variety of compounds have been used as templates including alkaloids, terpenes, carbohydrates, and amino acids.

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Good Carb Diet

Good Carb Diet

WHAT IT IS A three-phase plan that has been likened to the low-carbohydrate Atkins program because during the first two weeks, South Beach eliminates most carbs, including bread, pasta, potatoes, fruit and most dairy products. In PHASE 2, healthy carbs, including most fruits, whole grains and dairy products are gradually reintroduced, but processed carbs such as bagels, cookies, cornflakes, regular pasta and rice cakes remain on the list of foods to avoid or eat rarely.

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