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Hydrochlorid
3-(2-methylpiperidmo)propyl benzoate
0-co-a
Benzoylchlorid
HO—CH2—CH2—CH2—Cl 3-Chlorpropanol
^^-C0-0-CH2-CH2-CH2-Cl
Benzoesaure-(3-chtorpropylester)
H,cs
HN
b
2-Melhyl-
piperidin
>c
-ch2-ch2-ch2-
Piperocain
USP 1 784903 (S.M. McEIvain; ert. 1930; Prior. 1927). USA: Metycaine® (Lilly)
Piperylon
2531-04-6
Analgeticum
4-ethyl'l-(l-methyl-4-piperidyl)-3-phenyl-3-pyrazolin-5-one
0 0
°o -CH3 -* C-NH-N =0 -CH3
Benzoylhydrazin 1-Methyl-4-
piperidon
и
<^)-C-NH-NH-(^M-CH3 HC'- » H,N-NH-(^\l-CH3 ■ 2 HCl
4-Hydrazino-1-methyl-piperidin- bis-hydrochiorid
н5сг.
CH-COOC2HS u r .0
\ 2 5 H5C2. /I
QT ^
* I к H
2-Benroylbuttersaure- [\ \\
ethylester '
j Piperylon
Piperylon - Pipobroman - Pipotiazin P 735
USP 2 903460 (Sandoz; ert. 8.9.1959; CH-Prior. 7.4.1956). A. Ebnother et al., Helv, Chim. Acta 42, 1201 (1959).
D: Pelerol® (Sandoz)-Komb.
PipObrOITian 54-91-1 Cytostaticum
l,4-bis(3-bromopropionyl)piperazine
2 8г-СН5-СН2ч ^
C—Cl + HN NH —
4 w
8r-CH2-CH2
CH2“CH2—Br
3-Brompropionyl-
chlorid
Piperazin
C-N N-C // V-У \\ О О
Pipobroman
DBP 1 138 781 (Abbott; Anm. 10.10.1960; USA-Prior. 11.7.1960).
F: Vercyte® (Abbott)
1: Vercite 25 (Abbott)
J: Amedel® (Marupi) USA: Vercyte® (Abbott)
Pipotiazin
39860-99-6
Neurolepticum
10-[3-[4-(2-hydroxyethyl)piperidino]propyl]-iV,iV-dimethylphenothiazine-2-sulfonamide
СНз + NaNH2 + Ci-CH2-CH2-CH2-0-S02—V }>-CH3 -►
f'X,
"S02-N
h
СИз
2-Dimethylaminosulfonyl-
phencrthiaiin
Natrium- 3-(p-Toluolsulfonyloxy)-propylchlorid amid
SO2-N
СНз
CH2 CH: CH2-0-S02
CH3
СНЗ
DBP 1 117 584 (Rhone-Poulenc; Anm. 1958; F-Prior. 1957). F: Piportil® (Specia)
736 P Pipoxolan - Pipradol
Pipoxolan
23744-24-3
18174-58-8 Hydrochlorid
Spasmolyticum
5,5-diphenyl-2-(2-piperidinoethyl)-l,3-dioxoIan-4-one
H5C20
^н-снг-о^-а
н5с2о
3-Chlorpropionaldehyd-
diethylacetal
hv>
Piperidin
H5C2C>
о
CH-CH2-CH2-N
НъсгО/
3-Pipendinopropionaldehyd-
diethylacetat
/снэсаануна
//\ COOH
•Oy.CH2-CH2-N
Pipoxolan
О
AJtemativ kann auch 3-Chlorpropionaldehyddiethylacetal erst mit Benzilsaure und dann mit Piperidin umgesetzt werden.
GB-P 1 109959 (Rowa-Wagner; Anm. 3.10.1966; A-Prior. 5.10.1965).
D: Rowapraxin® (Rowa-Wagner)
Pipradol
467-60-7
71-78-3
Hydrochlorid
zentrales Stimulans
CJ
Мд/СгН5Вг _ Ethyl-bromid
2-Brompyridin
N MgBr
O'
Benzophenoo
2-Pyridylmagnesium-
bromid
OH
t U-Q }
a,a-Diphenyl-2-
pyndinmethanot
H2/Pt
С. H. Tilford et al., J. Am. Chem. Soc. 70,4001 (1948). USP 2 624739 (Merrell: ert. 1953; Anm. 1949).
I: Detaril® (Isom)
Piprinhydrinat — Piprozolin — Piracetam P 737
Piprinhydrinat
606-90-6
Antihistaminicum;
Antiemeticum;
Antirhiniticum
4-diphenylmethoxy-l-methylpiperidine compound of 8-chlorotheophylIine
Diphenylpyralin + 8-Chlortheophylhn
DBP 934 890 (Promonta; Anm. 1951). D: Kolton®Tabl./Grippale (Promonta)
*0* H3c 1 R
CH—0—( N—CH3 ■ J ТГ />-С1
CH3
Piprinhydrinat
J: Agiell® (Sanwa)
Plokon® (Nippon Shinyaku)
Piprozolin
17243-64-0
Choleretlcum
ethyl 3-ethyl-4-oxo-5-piperidino/S2-“-thiazolidineacetate
C2H5
/Sy;CH — COOC2HS (C2Hs0)2S02
X—NH Giethylsuifat
4-Oxothiazolidm -2-yliden-
essigsaureethylester
(vgl. Etozoiin-Synthese, S. 383)
DOF 2,681 (1977).
DOS 2 414 345 (Godecke; Anm. 25.3.1974). D: Probilin® (Godecke)
■s-vsCH-COOC2H5 Вгг/СНС1э Br^SwCH-C00C2Hs
C2H5
о
М^Ъ^СН-СООС2Н5
'Г У
С2Н5
Piprozolin
Piracetam
7491-74-9
Cerebrotonicum
2-oxo-l-pyrrolidineacetamide
CH2-COOC2H5
H 1. NaH I
^4^0 2. а-снг-соос2н5 о
1. Natriumhydnd
- _ ... 2. CMoressigsaure-
2-Pyrrolldon ethylester
CH2-CO-NH2
6s0
Piracetam
738 P Piracetam - Pirenzepin
H 1 NaH
2 Cl-CH2~C0-NH2
\_/ 1 Natriumhydrid
_ _ 2. Chloracetamid
2-Pyrrolidon
DOT9,215, 327, 328 (1973).
USP 3 459 738 (UCB; ert. 5.8.1969; GB-Prior. 6.8.1964).
DAS 1 620 608 (UCB; Anm. 4.8.1965; GB-Prior. 6.8.1964). Alternativ-Synthese (aus 4-Chlorbuttersaureglycinamid):
DAS 2 759297 (Pliva; Anm. 14.1.1977; YU-Prior. 14.1.1976,11.8.1976). DOS 2 701 450 (Pliva; Anm. 14.1.1977; YU-Prior. 14.1.1976,11.8.1976). Thrombocytenaggregationshemmende Wirkung:
DOS 2 746 761 (UCB; Anm. 18.10.1977; GB-Prior. 19.10.1976).
USP 4115 579 (UCB; ert. 19.9.1978; GB-Prior. 19.10.1976).
Normabrain® (Cassella) Nootrop® (UCB) Nootropil® (Ucb-Smit)
Ideaxan® (Millot) Nootropyi® (Ucepha)
Pirenzepin
28797-61-7
29868-97-1 Dihydrochlorid
Ulcustherapeuticum
5,ll-dihydro-ll-[(4-methyl-l-piperazinyl)acetyl]-6H-pyrido[2,3-&]-[l,4]benzodiazepin-6-one
a'
,nh2
N Ct
2-СЫог-З-
ammopyridin
C,JX)
2-Nitrobenzoyl-
chlorid
0
H II
a X)
о
и II .N— C.
N Cl N 02
CICH2-C /N(C2Hs)3
CMoracetyichlond / Triethylamir
a, »x)
н ,0
cCo
5,11-Oihydro-6W-
pyrido{2,3-b][lJ4]-
benzodiazepin-6-on
DBP 1 795 183 (Thomae; Anm. 20.8.1968).
W. Eberlein et al., Arzneim.-Forsch. 27,356 (1977).
5,ll-Dihydro-6tf-pyrido[2,3-b][l,4]-benzodiazepin-6-on:
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