GB914718A - Substituted 5-h-dibenz[b,f]azepines and their preparation - Google Patents

Substituted 5-h-dibenz[b,f]azepines and their preparation

Info

Publication number
GB914718A
GB914718A GB678061A GB678061A GB914718A GB 914718 A GB914718 A GB 914718A GB 678061 A GB678061 A GB 678061A GB 678061 A GB678061 A GB 678061A GB 914718 A GB914718 A GB 914718A
Authority
GB
United Kingdom
Prior art keywords
general formula
reaction
pict
chloride
hexamethylenimine
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB678061A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Novartis AG
Original Assignee
JR Geigy AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by JR Geigy AG filed Critical JR Geigy AG
Publication of GB914718A publication Critical patent/GB914718A/en
Expired legal-status Critical Current

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Abstract

The invention comprises 5H-dibenz[b,f]azepines of general formula <PICT:0914718/IV (b)/1> wherein X represents -CH2.CH2-, Y1 and Y2 each represent hydrogen, halogen, or an alkyl group of at most three carbon atoms, Z represents a straight or branched alkylene chain of at most six carbon atoms, and Am represents a hexamethylenimine radical which may be substituted with one or more alkyl radicals having at most 3 carbon atoms, their acidaddition and quaternary ammonium salts, and their preparation by (1) reaction of a compound of general formula <PICT:0914718/IV (b)/2> in the presence of a condensing agent with a reactive ester of an aminoalcohol of general formula HO-Z-Am (III) (2) thermal decarboxylation of a compound of general formula <PICT:0914718/IV (b)/3> (3) reaction of a reactive ester of a compound of general formula <PICT:0914718/IV (b)/4> with an amine of general formula Am-H (VI) or (4) by treating a compound of general formula <PICT:0914718/IV (b)/5> wherein Z1 and Am1 represent radicals that correspond to Z and Am respectively except that in at least one of them there is at least one carbonyl group instead of a methylene group bound to a nitrogen atom, with an alkali metal-earth hydride. The products are useful as pharmaceutical agents. Esters of general formula (IV) are obtained by reaction of phosgene with heterocycles of general formula (II), and reaction of the 5-chlorocarbonyliminodibenzyls so obtained with aminoalcohols of general formula (III). g -Hexamethyleniminopropanol is prepared by reduction of g -hexamethyleniminopropionic acid ethyl ester with lithium aluminium hydride. Hexamethylenimines of general formula (VI) are prepared by reduction of the corresponding e -caprolactams with lithium aluminium hydride. g -Hexamethylenimino-n-butyl chloride is obtained from 1,3-butylene glycol by reaction with acetyl chloride to form 3-chloro-n-butyl acetate, reaction of the latter with hexamethylenimine and conversion of the g -hexamethyleniminobutanol formed into the chloride, and g -hexamethylenimino-b -methylpropyl chloride is obtained by adding hydrogen bromide to b -methallyl chloride in the presence p of dibenzoyl peroxide and reacting the g -bromo-b -methylpropyl chloride formed with hexamethylenimine. 5-(a -Tert-aminocarbonylalkyl)iminodibenzyls are obtained by reaction of alkali metal derivatives of iminodibenzyls of general formula (II) with low a -bromoalkane carboxylic acid N,Nhexamethylene amides. 5-Hexamethyleniminoalkanoyliminodibenzyls are obtained by reacting alkali metal derivatives of compounds of general formula (II) with halogen alkane carboxylic acid halides and then reacting the halogen alkanoyl compounds obtained with a hexamethylenimine of general formula (VI). Other intermediates of general formula (VII) are obtained by reaction of esters of compounds of general formula (V) with alkali metal compounds of e -caprolactam or adipimide. Specifications 912,013 and 914,717 are referred to.
GB678061A 1960-02-26 1961-02-24 Substituted 5-h-dibenz[b,f]azepines and their preparation Expired GB914718A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH215360 1960-02-26

Publications (1)

Publication Number Publication Date
GB914718A true GB914718A (en) 1963-01-02

Family

ID=4227106

Family Applications (1)

Application Number Title Priority Date Filing Date
GB678061A Expired GB914718A (en) 1960-02-26 1961-02-24 Substituted 5-h-dibenz[b,f]azepines and their preparation

Country Status (3)

Country Link
BE (1) BE600611A (en)
ES (3) ES265234A1 (en)
GB (1) GB914718A (en)

Also Published As

Publication number Publication date
ES265236A1 (en) 1961-08-16
BE600611A (en) 1961-08-24
ES265235A1 (en) 1961-08-16
ES265234A1 (en) 1961-08-16

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