FI834091A - MELLANPRODUKT FOER FRAMSTAELLNING AV NYA BENSOPYRANER - Google Patents

MELLANPRODUKT FOER FRAMSTAELLNING AV NYA BENSOPYRANER Download PDF

Info

Publication number
FI834091A
FI834091A FI834091A FI834091A FI834091A FI 834091 A FI834091 A FI 834091A FI 834091 A FI834091 A FI 834091A FI 834091 A FI834091 A FI 834091A FI 834091 A FI834091 A FI 834091A
Authority
FI
Finland
Prior art keywords
group
alkyl
groups
hydrogen
atom
Prior art date
Application number
FI834091A
Other languages
Finnish (fi)
Other versions
FI86061C (en
FI834091A0 (en
FI86061B (en
Inventor
John Morris Evans
Robin Edwin Buckingham
Kenneth Willcocks
Original Assignee
Beecham Group Plc
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
Priority claimed from FI823272A external-priority patent/FI73675C/en
Application filed by Beecham Group Plc filed Critical Beecham Group Plc
Publication of FI834091A0 publication Critical patent/FI834091A0/en
Publication of FI834091A publication Critical patent/FI834091A/en
Application granted granted Critical
Publication of FI86061B publication Critical patent/FI86061B/en
Publication of FI86061C publication Critical patent/FI86061C/en

Links

Landscapes

  • Plural Heterocyclic Compounds (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)

Abstract

The invention relates to an intermediate product for production of new benzopyrans with the formula A, in which one of the groups R1 and R2 is hydrogen and the other is alkylcarbonyl, alkoxycarbonyl, alkylcarbonyloxy, alkylhydroxymethyl, nitro, cyano, chlorine, trifluoromethyl, alkylsulphinyl, alkylsulphonyl, alkoxysulphinyl, alkoxysulphonyl, alkylcarbonylamino, alkoxycarbonylamino or aminosulphinyl, aminosulphonyl or aminocarbonyl, with the amino group being if necessary substituted with one or two alkyl groups, or alkylsulphinylamino, alkylsulphonylamino, alkoxysulphinylamino or alkoxysulphonylamino, or ethylenyl, which in the terminal position is substituted with alkylcarbonyl, nitro or cyano, or -C(alkyl)NOH or -C(alkyl)NNH2, one of the groups R3 and R4 being hydrogen or alkyl and the other being alkyl or R3 and R4 forming a spiroalkyl group together with the carbon atom in which they are bound, R5 is hydrogen, an alkyl or an acyl, and n is 1 or 2, and the lactam group is in the trans position relative to the OR5 group. <IMAGE> The intermediate product according to the invention is a compound with the formula B, in which one of the groups R1' and R2' is hydrogen or a group or atom which can be transferred to hydrogen and the other is any of the substituents which are defined above for the groups R1 and R2, or is a group or atom which can be transferred thereto, R3, R4 and R5 have the meaning stated above, one of the groups A and B is CO and the other is (CH2)n+2, in which n has the meaning stated above, L is a starting group and the substituted amino group is in the trans position relative to the OR5 group. <IMAGE>
FI834091A 1981-09-25 1983-11-08 SOM MELLANPRODUKT ANVAENDBARA 3,4-DIHYDRO -4-AMINO-2H-BENZO / B / PYRAN-3-OL-DERIVAT. FI86061C (en)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
GB8129064 1981-09-25
GB8129064 1981-09-25
GB8206400 1982-03-04
GB8206400 1982-03-04
GB8210490 1982-04-08
GB8210490 1982-04-08
FI823272A FI73675C (en) 1981-09-25 1982-09-23 FREQUENCY REQUIREMENT FOR PHARMACOLOGICAL ACTIVE BENZOPYRAN.
FI823272 1982-09-23

Publications (4)

Publication Number Publication Date
FI834091A0 FI834091A0 (en) 1983-11-08
FI834091A true FI834091A (en) 1983-11-08
FI86061B FI86061B (en) 1992-03-31
FI86061C FI86061C (en) 1992-07-10

Family

ID=27444080

Family Applications (3)

Application Number Title Priority Date Filing Date
FI834092A FI834092A (en) 1981-09-25 1983-11-08 MELLANPRODUKT FOER FRAMSTAELLNING AV NYA BENSOPYRANER
FI834093A FI834093A0 (en) 1981-09-25 1983-11-08 MELLANPRODUKT FOER FRAMSTAELLNING AV NYA BENSOPYRANER
FI834091A FI86061C (en) 1981-09-25 1983-11-08 SOM MELLANPRODUKT ANVAENDBARA 3,4-DIHYDRO -4-AMINO-2H-BENZO / B / PYRAN-3-OL-DERIVAT.

Family Applications Before (2)

Application Number Title Priority Date Filing Date
FI834092A FI834092A (en) 1981-09-25 1983-11-08 MELLANPRODUKT FOER FRAMSTAELLNING AV NYA BENSOPYRANER
FI834093A FI834093A0 (en) 1981-09-25 1983-11-08 MELLANPRODUKT FOER FRAMSTAELLNING AV NYA BENSOPYRANER

Country Status (1)

Country Link
FI (3) FI834092A (en)

Also Published As

Publication number Publication date
FI86061C (en) 1992-07-10
FI834091A0 (en) 1983-11-08
FI834093A (en) 1983-11-08
FI834092A0 (en) 1983-11-08
FI86061B (en) 1992-03-31
FI834092A (en) 1983-11-08
FI834093A0 (en) 1983-11-08

Similar Documents

Publication Publication Date Title
US4446113B1 (en)
ES8601180A1 (en) Benzopyran derivatives.
AU1889392A (en) Fluoroalkoxybenzylamino derivatives of nitrogen containing heterocycles
MY132507A (en) Process for substituted pyridines
FI834091A (en) MELLANPRODUKT FOER FRAMSTAELLNING AV NYA BENSOPYRANER
GB9007338D0 (en) Chemical compounds
CA2008940A1 (en) Method for the preparation of 4-(cyclic-amino)-2h-1-benzopyrans and 4-amino-3-hydroxy-2h-1-benzopyrans
ES8101593A1 (en) Pyrano[4,3-e]-as-Triazines Their Production and Tranquilliser/Sleep-inducer Use

Legal Events

Date Code Title Description
MM Patent lapsed
MM Patent lapsed

Owner name: BEECHAM GROUP P.L.C.D