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Wednesday, 22 June 2016


Synthesis of 7-Bromo-4-isobutyl-2-methyl-2,6-dihydro-1H-pyrrolo[3,4-d]pyridazin-1-one (6a)
crude oil was purified by flash chromatography (hexane–ethyl acetate, 2:1) to give 6a (0.64 g, 47% yield).
1H NMR (CDCl3, 400 MHz) δ 11.59 (br s, 1H), 7.18 (s, 1H), 3.72 (s, 3H), 2.70 (d, J = 7.4 Hz, 2H), 2.12–2.09 (septet, 1H), 0.97 (d, J = 6.6 Hz, 6H).
DomagalaJ. M.EllsworthE. L.StierM. A.HuangL.MicetichR. G.SinghR.WrigleyS. K.Wang,S. Warner-Lambert Co. Patent WO9825932A1, 1998; p 48.


South Sudan, East Africa

Map of South Sudan
South Sudan
Country in East Africa
South Sudan, officially the Republic of South Sudan, is a landlocked country in northeastern Africa that gained its independence from Sudan in 2011. Its current capital is Juba, which is also its largest city. Wikipedia
 dinka women remove their clothing before entering the river, revealing their beaded jewelery.their belts and bracelets have been worn since puberty, while the necklaces were given by their husbands at the time of marriage.

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