WebDr. Paul Entler, DO is a Family Medicine Specialist in East Lansing, MI. She is affiliated with medical facilities Sparrow Hospital and Sparrow Hospital - Saint Lawrence Campus. Her … WebIt describes the preparation of 16a, 17a-cyclohexano-17b-acetyl-gon-4-en-3-ones of the general formula I, which have a high progestational activity. Their preparation is based on 16a, 17a-cyclohex-3-eno-3-methoxy-17bacetyl-gona-1,3,5 (10) -trienes of general formula II, which by catalytic hydrogenation with 5% Pd on carbon or RhCl / P (C6H5) 3/3 in ethanol …
DD251142A1 - PROCESS FOR THE PREPARATION OF 16 ALPHA, …
WebIt describes the preparation of 16a, 17a-cyclohexano-17b-acetyl-gonen-3-ones of the general formulas I and II, which have a high gestagene activity. In their preparation is based on 16a, 17a-cyclohexano-3-methoxy-17b- (2-hydroxyethyl) -gona-2,5 (10) serve the general formula III, which by enol ether cleavage with acid in aqueous acetone solution and by … WebEP1090029A1 EP99938196A EP99938196A EP1090029A1 EP 1090029 A1 EP1090029 A1 EP 1090029A1 EP 99938196 A EP99938196 A EP 99938196A EP 99938196 A EP99938196 A EP ... mineral makeup kits make your own
DE19827522A1 - 14,15-Cyclopropanosteroide der 19-Nor …
WebDec 20, 2016 · Seine Darstellung erfolgte iiber Diels-Alder-Reaktion von +)-Crypton(21) mit 2-Methoxybutadien lo) (22). Aus dem bicyclischen Isomerengemisch der Diels-Al- der-Reaktion wurden die nicht getrennten 1-epimeren Keto-Enolether 23 isoliert, deren Wittig-Olefinierung und nachfolgende Enoletherspaltung die Methylen-Ke- tone 24 und 14 … Web1. Process for the manufacture of 17 alpha-ethynyl-17 beta-hydroxy-18-methyl-4,15-estradien- 3-one of the formula I see diagramm : EP0285548,P6,F1 characterised in that a 17-enol ester of the general formula II see diagramm : EP0285548,P6,F2 wherein R1 represents an alkyl radical having 1-3 carbon atoms and R2 represents an acyl or a … WebDE19615819A1 DE1996115819 DE19615819A DE19615819A1 DE 19615819 A1 DE19615819 A1 DE 19615819A1 DE 1996115819 DE1996115819 DE 1996115819 DE 19615819 A DE19615819 A DE 19615819A DE 19615819 A1 DE19615819 A1 DE 19615819A1 Authority DE Germany Prior art keywords aryl gona oxaethano methyl … moseley chemistry definition