Discover the vibrant spirit of Colombia with Sips & Sights Travel through our custom small group tours Colombia. Designed for intimate groups seeking authentic and personalized travel, our tours offer a unique way to explore the country's rich culture, diverse landscapes, and warm hospitality. From the colorful streets of Cartagena and coffee tasting in the lush hills of the Coffee Region to exploring Medellín’s innovation and the Amazon’s natural wonders, each itinerary is tailored to your group’s interests. With expert local guides, handpicked accommodations, and exclusive experiences, we create unforgettable journeys that reveal the heart and soul of Colombia. Visit https://sipsandsightstravel.co....m/custom-small-group

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Custom Small Group Tours Colombia - Sips & Sights Travel

Our custom small group tours in Colombia typically range from 6 to 12 guests, allowing for a more intimate and flexible experience. Click here to learn more!

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Phosphonium ions are widely used in preparative organic synthesis and catalysis. The provision of new types of cations that contain both functional and chiral information is a major synthetic challenge and can open up new horizons in asymmetric cation-directed and Lewis acid catalysis. We discovered an efficient methodology towards new Si-chiral four-membered CPSSi* heterocyclic cations. Three synthetic approaches are presented. The stereochemical sequence of anchimerically assisted cation formation with B(C6 F5 )3 and subsequent hydrid