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Search Does anyone know what kind of spin system? But in net i dont find the samples with ABX2 or ABC2 system. Maybe Can someone advise a book on spin ... 20-3-2015 at 07:53 by: Romanosow Does anyone know what kind of spin system? Thanks! I think the CH2 group with O atom have ABX2 spin system because the structure is not symmetr ... 20-3-2015 at 07:48 by: Romanosow Does anyone know what kind of spin system? Thanks for reply! I added the structure and NMR spectra in archive. 20-3-2015 at 00:32 by: Romanosow Does anyone know what kind of spin system? in my compound i have two -O-CH2CH2CH2-NPHth groups, and in NMR spectra these groups are typically ... 19-3-2015 at 00:47 by: Romanosow How selectively remove Boc group (compound also has a phthalimide group)? Thanks! I solved my problem using TFA in dichlormethane with 5% water. 4M HCl also work, but forms s ... 19-3-2015 at 00:27 by: Romanosow How selectively remove Boc group (compound also has a phthalimide group)? Can somebody help me? In my compound i have three phthalimide and Boc-amine groups. How i can remove ... 14-10-2014 at 03:34 by: Romanosow

Sciencemadness Discussion Board » Search Select A Forum Fundamentals   » Chemistry in General   » Organic Chemistry   » Beginnings   » Responsible Practices   » Miscellaneous Engineering and Equipment   » Reagents and Apparatus Acquisition   » Electronics   » Process Engineering   » Materials and Metallurgy Special Topics   » Analytical Chemistry   » Electrochemistry   » Energetic Materials   » Biochemistry   » Radiochemistry   » Computational Models and Techniques Literature and Documentation   » Sciencemadness Wiki   » Prepublication Non-science   » Forum Matters   » Legal and Societal Issues