IE44206B1 - Acylated 6-methyl-8a-amino-ergoline i compounds - Google Patents

Acylated 6-methyl-8a-amino-ergoline i compounds

Info

Publication number
IE44206B1
IE44206B1 IE2861/76A IE286176A IE44206B1 IE 44206 B1 IE44206 B1 IE 44206B1 IE 2861/76 A IE2861/76 A IE 2861/76A IE 286176 A IE286176 A IE 286176A IE 44206 B1 IE44206 B1 IE 44206B1
Authority
IE
Ireland
Prior art keywords
compound
compounds
formula
sog
amino
Prior art date
Application number
IE2861/76A
Other versions
IE44206L (en
Original Assignee
Sandoz Ltd
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 Sandoz Ltd filed Critical Sandoz Ltd
Publication of IE44206L publication Critical patent/IE44206L/en
Publication of IE44206B1 publication Critical patent/IE44206B1/en

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D457/00Heterocyclic compounds containing indolo [4, 3-f, g] quinoline ring systems, e.g. derivatives of ergoline, of the formula:, e.g. lysergic acid
    • C07D457/10Heterocyclic compounds containing indolo [4, 3-f, g] quinoline ring systems, e.g. derivatives of ergoline, of the formula:, e.g. lysergic acid with hetero atoms directly attached in position 8
    • C07D457/12Nitrogen atoms
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00Drugs for disorders of the nervous system

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Biomedical Technology (AREA)
  • Neurology (AREA)
  • Neurosurgery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Pyridine Compounds (AREA)

Description

The present invention relates to ergolines.
Our Patent Specification No. 41426 discloses a class of compounds of formula I. It has now been found that certain compounds of this class not specifically disclosed therein, have particularly interesting properties.
The present invention provides compounds of formula I, 4 2 0 6 wherein R^ and R2 are:-NH-S02-N(Et), H -NH-S02-3-pyridyl H -NH-S02-pheny1 H -nh-so2-cf3 H -NH-SO2-Me H, or -NH-SO2-N(CH3)2 Br A compound of formula I may be produced by acylating 6-methyl-8a-amino-ergo1ine I.
The compounds of formula I may be produced in analogous manner to that disclosed in the above patent.
Free base forms of the compounds of formula I may be converted into the acid addition salt forms in conventional manner and vice versa.
The starting materials are known or may be produced in known manner.
The compounds of formula I exhibit pharmacological activity in animals. In particular, the compounds of formula I exhibit central dopaminergic stimulant activity, as indicated by standard tests, for example according to the principles of U. Ungerstedt, Acta Physiol.
Scand. Suppl., (1971) 367, 69-93, by an induction of contralateral turning in rats lesioned unilaterally in the substantia nigra by 6-hydroxydopamine on i.p. administration of from 1 to 40 mg/kg animal body weight and by an induction of dose dependent stereotyped sniffing, licking and biting behaviour in the rat according to the following test:3 Rats, 180-222 g, are placed in Perspex (trade mark) cylinders of 30 cm diameter on a wire grid floor. After 30 minutes to allow acclimatisation to the cage, the rats are injected with the compound under investigation. The behaviour of the rats is observed for 2 minutes at 30 minute intervals for 2 hours and then at 60 minute intervals for a total of up to 7 hours. The degree of stereotyped behaviour observed is assessed using a scoring system based on that described by Costal!, Naylor and Olleyjjluro J. Pharmac, J8, 83-94 (1972)].
The scores and criteria are as follows:1. Intermittent sniffing 2. Persistent sniffing, occasional licking 3. Licking, occasional biting 4. Intense and persistent biting In this test the compounds are administered i.p. at from 1 to 40 mg/kg animal body weight.
The compounds are therefore indicated for use as anti Parkinson agents.
An indicated daily dose is from 0.5 to 100 mg conveniently administered in divided doses 2 to 4 times a day in unit dosage form, containing from 20 0.1 to 50 mg of the compounds, or in sustained release form.
The Example 1 compound shows interesting activity.
Additionally, the compounds exhibit prolactin secretion inhibition activity, for example, in rats by the inhibition of ovum implantation as follows:4 The compound under investigation is administered to female rats 5 days after coitus and shown to be sperm positive according to the vaginal smear test. The rats are sacrificed on day 12 and their uteri are examined by means of the Salewski reaction for proof that the nidations process has been interrupted |J\rch. exp. Path. Pharm. 247, 367 (1967)J .
The compounds are administered s.c. at fromo.olto 3 mg/kg animal body weight.
For the above-mentioned use the dosage will, of course, vary depending on the compound employed, mode of administration and therapy desired.
However, in general, satisfactory results are obtained when administered at a daily dosage of from 0.001 mg to 3 mg per kg animal body weight, conveniently given in divided doses 2 to 4 times a day or in sustained release form. For the larger mammal, the total daily dosage is in the range from 0.05 to 10 mg, and dosage forms suitable for oral administration comprise from 0.01 mg to 5 mg of the compounds admixed with a solid or liquid pharmaceutical carrier or diluent.
The compounds are therefore indicated for use as prolactin secretion inhibitors. An indicated daily dose is from 0.05 to 10 mg, conveniently administered in divided doses 2 to 4 times a day in unit dosage form containing from 0.01 to 5 mg of the compounds, or in sustained release form.
The compounds of formula I may be administered in pharmaceutically acceptable acid addition salt form. Such acid addition salt forms exhibit the same order of activity as the free base forms and are readily prepared in conventional manner. The present invention also provides a pharmaceutical composition comprising a compound of formula I, in free base or in pharmaceutically acceptable acid addition salt form, in association with a pharmaceutical carrier or diluent. Such compositions may be formulated in conventional manner, so as to be, for example, a solution or a tablet.
In the following Examples all temperatures are in degrees Centigrade.
EXAMPLE In a manner analogous to that disclosed in Examples 3 to 12 of our above-mentioned Patent Specification No. 41426, the following compounds of formula I may be produced, wherein 5R1 r2 M.Pt. π 20 W D (c in DMF) /C2H5 —nh-so2-n C2^5 H 201-202° 1 * 3 218-220° 4 -57° -27° (0.3) (0.4)5 -nh-so2 . 262-266° 1 -59° (0.5) —nh-so2 H 199-201° 1 -55° (0.5) —NH-S02-CF3 H 206-208° 1 -45° (0.45) lo —NH-SOn-CH, H 219-220° 1 -69° (0.5) (decomp.) -so2-n /CH3 CH, Bp 253-256' (decomp.) +7° (0.5) ^base hydrochloride + 1 mol H20 hydrogen tartrate hydrochloride in pyridine instead of DMF

Claims (10)

1.I. A process for the production of a compound of formula I, wherein R-j and Rg are:-NH-SOg-N(Et) 2 H -NH-SOg-3-pyridyl H -NH-SOg-phenyl H -nh-so 2 -cf 3 H -NH-SOg-Me H, or -NH-S0g-N(CH 3 ) 2 Br which comprises acylating 6-methyl-8a-amino-ergoline I.
2. A process for the production of a compound of formula I, as stated in claim 1, substantially as hereinbefore described with reference to the Example. 5
3. A compound of formula I, whenever produced by a process according to claim 1 or 2.
4. A compound of formula I, as defined in claim 1.
5. A compound of claim 4, wherein R-| and Rg are respectively • C 2^5 -NH-SOg-N, and H. C 2 H 5 10
6. A compound of claim 4, wherein R-| and Rg are respectively —NH-SO Z and H.
7. A compound of claim 4, wherein R-j and Rg are respectively 15 —NH-SOg and H. 4420 6
8. A compound of claim 4, wherein R-| and R 2 are respectively -NH-S0 2 -CF 3 and H.
9. A compound of claim 4, wherein R^ and R 2 are respectively -NH-S0 2 -CH 3 and H. 5 10. A compound of claim 4, wherein R-j and Rg are respectively ,CH„ -so 2 -n x and Br. CH„ 11. A compound according to any one of claims 3 to 10 in free base form. 12. A compound according to any one of claims 3 to 10 in acid addition salt form.
10. 13. A pharmaceutical composition comprising a compound according to any one of claims 3 to 10 in free base form or in pharmaceutically acceptable acid addition salt form in association with a pharmaceutical carrier or diluent.
IE2861/76A 1976-01-02 1976-12-31 Acylated 6-methyl-8a-amino-ergoline i compounds IE44206B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB48/76A GB1573621A (en) 1976-01-02 1976-01-02 Acylated 6-methyl-8a-amino-ergoline i compounds

Publications (2)

Publication Number Publication Date
IE44206L IE44206L (en) 1977-07-02
IE44206B1 true IE44206B1 (en) 1981-09-09

Family

ID=9697467

Family Applications (1)

Application Number Title Priority Date Filing Date
IE2861/76A IE44206B1 (en) 1976-01-02 1976-12-31 Acylated 6-methyl-8a-amino-ergoline i compounds

Country Status (14)

Country Link
JP (1) JPS604833B2 (en)
AU (2) AU2104177A (en)
BE (1) BE850050R (en)
DE (1) DE2657770A1 (en)
FR (1) FR2337135A2 (en)
GB (1) GB1573621A (en)
HK (1) HK30484A (en)
IE (1) IE44206B1 (en)
IL (1) IL51194A (en)
MY (1) MY8500136A (en)
NL (1) NL7614522A (en)
PH (1) PH14106A (en)
SG (1) SG79283G (en)
ZA (1) ZA767715B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1982000463A1 (en) * 1980-07-25 1982-02-18 Ag Sandoz Ergoline derivatives,method for their preparation,pharmaceutical compositions containing them and their therapeutic application
GB2112382B (en) * 1981-11-06 1985-03-06 Erba Farmitalia Ergoline derivatives
DE3151912A1 (en) * 1981-12-23 1983-06-30 Schering Ag, 1000 Berlin Und 4619 Bergkamen NEW ERGOLIN AMINO DERIVATIVES, METHOD FOR THE PRODUCTION THEREOF AND THEIR USE AS MEDICINAL PRODUCTS
NL8400333A (en) * 1983-02-16 1984-09-17 Sandoz Ag MOTHER-CHALK CALOIDS, THEIR PREPARATION AND THEIR USE.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2515100A1 (en) * 1974-04-16 1975-11-06 Sandoz Ag PROCESS FOR PRODUCING NEW HETEROCYCLIC COMPOUNDS
GB1517971A (en) * 1974-07-19 1978-07-19 Sandoz Ltd 8alpha-substituted ergoline i derivatives

Also Published As

Publication number Publication date
AU2104177A (en) 1978-07-13
SG79283G (en) 1984-08-03
IL51194A (en) 1980-03-31
BE850050R (en) 1977-06-30
IE44206L (en) 1977-07-02
ZA767715B (en) 1978-08-30
FR2337135A2 (en) 1977-07-29
PH14106A (en) 1981-02-24
GB1573621A (en) 1980-08-28
NL7614522A (en) 1977-07-05
FR2337135B2 (en) 1979-09-14
MY8500136A (en) 1985-12-31
DE2657770A1 (en) 1977-07-14
IL51194A0 (en) 1977-02-28
JPS5285196A (en) 1977-07-15
JPS604833B2 (en) 1985-02-06
AU513821B2 (en) 1981-01-08
HK30484A (en) 1984-04-13

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