Dehydration of 9a-Hydroxyandrost-4-ene-3,17-Dione in Organic Solvents


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An effective method of dehydrating 9_-hydroxyandrost-4-ene-3,17-dione by mineral acids in organic solvents, producing essentially quantitative formation of androsta-4,9(11)-diene-3,17-dione is proposed. Quantitative isomerization of the side product androsta-4,8(9)-diene-3,17-dione to target product was shown to be pssible.

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T. Savinova

M. V. Lomonosov Moscow State University, Faculty of Chemistry

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Email: savinova@org.chem.msu.ru
俄罗斯联邦, Building 3, 1 Lenin Heights, Moscow, 119991

A. Kazantsev

VietNam Academy of Science and Technology, Institute of Chemistry

Email: savinova@org.chem.msu.ru
越南, 18 Hoàng Quoc Viet, Nghia Ðô, Cau Giay

Luu Huy

VietNam Academy of Science and Technology, Institute of Chemistry

Email: savinova@org.chem.msu.ru
越南, 18 Hoàng Quoc Viet, Nghia Ðô, Cau Giay

N. Lukashev

M. V. Lomonosov Moscow State University, Faculty of Chemistry

Email: savinova@org.chem.msu.ru
俄罗斯联邦, Building 3, 1 Lenin Heights, Moscow, 119991

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