1987
DOI: 10.1002/jlac.198719870109
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Sila‐Pharmaka, 36. Sila‐Procyclidin: Eine neue Synthese sowie Untersuchungen zur peripheren und zentralen anticholinergen Wirkung

Abstract: Sila-Procyclidin (1 b) sowie dessen Derivate 2 b (Sila-Trihexyphenidyl), 3 b und 4 b (Sila-Cycrimin) wurdenausgehend von C13SiCH2CIdurch eine neue, sechsstufige Synthese mit einer Gcsamtausbeute von 16 (lb). 19 (Zb), 8 (3b) bzw. 7% (4b) dargcstellt. -Verglcichende in-vivo-Untenuchungen (Maus, per-os-Applikation) hinsichtlich der peripheren und zentralen anticholinergen Wirkung haben gezcigt. daO die Silicium-Verbindung 1 b dem Kohlenstofl-Analogon 1 a (Procyclidin) iiberlegen ist.

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Cited by 29 publications
(15 citation statements)
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“…D e r N ie d e rsc h la g w u rd e ab filtrie rt, m it 10 m l A c e to n itril g ew asch en u n d im V a k u u m g e tro c k n e t (0,01 T o rr, 20 °C, 3 h ); A u sb e u te 0,39 g (5 4 % ) tr a n s p a r e n te K ristalle; Schm p. 200 °C. 1,6 (m, 2H ; CCH2C), 2 ,9-3,0 und 3,1-3,2 (m, 6H ; NCH2C), 3,9 (m,4H ;CCH20 ),6,[4][5][6]5 und 6,[5][6]6 (m,8 H;C6H40 ,) …”
Section: B Is[l2 -B E N Zo Ld Io La To (2 -)][(M O Rp H O Lin Io )M unclassified
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“…D e r N ie d e rsc h la g w u rd e ab filtrie rt, m it 10 m l A c e to n itril g ew asch en u n d im V a k u u m g e tro c k n e t (0,01 T o rr, 20 °C, 3 h ); A u sb e u te 0,39 g (5 4 % ) tr a n s p a r e n te K ristalle; Schm p. 200 °C. 1,6 (m, 2H ; CCH2C), 2 ,9-3,0 und 3,1-3,2 (m, 6H ; NCH2C), 3,9 (m,4H ;CCH20 ),6,[4][5][6]5 und 6,[5][6]6 (m,8 H;C6H40 ,) …”
Section: B Is[l2 -B E N Zo Ld Io La To (2 -)][(M O Rp H O Lin Io )M unclassified
“…90 °C/0,04Torr. -'H-NM R (250,1MHz; CDC13): ö = 2,12 (s, 2H ; SiCH2N), 2,3 -2 ,4 (m, 4H ; NCH2C), 3,52 (s, 6H ; O C H 3), 3,6 (m,4H ;CCH20 ) ,7,[3][4][5][6][7]4 und 7,[6][7]7 (m,5 H;SiC6H 5). CI3H 21N 0 3Si (267,4) 'B er.…”
Section: Dim Ethoxy(m Orpholinom Ethyl)phenylsilan (7)unclassified
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“…Compared to HHSiD the carbon analogue hexahydro-difenidol showed a Ionger duration of mydriatic effect. A similar experiment using procyclidine and sila-procyclidine showed that the silicon analogue exhibited a Ionger duration ofpupillary dilatation (Tacke et al 1987).…”
Section: Discussion After I V Injection Of [mentioning
confidence: 80%
“…use of (chloromethyl)trimethoxysilane (2) [26] and (chloromethyl)triethoxysilane (3) (the literature known compound 3 was synthesized according to modified synthesis protocol of 2) (Scheme 1), favors the formation of the six-membered trisilacyclohexanes, whereas the alternative use of trichloro(chloromethyl)silane (1) leads to a preferred formation of 1,3-disilacyclobutanes. [27] The required core segment (1,3,5-trisilacyclohexane) was synthesized in a cyclization of 2 and 3 to 4 [28] and 5, respectively, by reaction with magnesium turnings in tetrahydrofuran (Scheme 1).…”
Section: Resultsmentioning
confidence: 99%