ES371236A1 - Procedure for the preparation of new benzofuran derivatives. (Machine-translation by Google Translate, not legally binding) - Google Patents

Procedure for the preparation of new benzofuran derivatives. (Machine-translation by Google Translate, not legally binding)

Info

Publication number
ES371236A1
ES371236A1 ES371236A ES371236A ES371236A1 ES 371236 A1 ES371236 A1 ES 371236A1 ES 371236 A ES371236 A ES 371236A ES 371236 A ES371236 A ES 371236A ES 371236 A1 ES371236 A1 ES 371236A1
Authority
ES
Spain
Prior art keywords
translation
procedure
preparation
carbon atoms
machine
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
ES371236A
Other languages
Spanish (es)
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 ES371236A1 publication Critical patent/ES371236A1/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D405/00—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom
    • C07D405/02—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings
    • C07D405/06—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings linked by a carbon chain containing only aliphatic carbon atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D307/78—Benzo [b] furans; Hydrogenated benzo [b] furans
    • C07D307/79—Benzo [b] furans; Hydrogenated benzo [b] furans with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the hetero ring
    • C07D307/81—Radicals substituted by nitrogen atoms not forming part of a nitro radical

Abstract

Procedure for the preparation of new benzofuran derivatives, of the general formula I, **(See formula)** in which R1 and R2 stand for, independently of one another, hydrogen, a halogen atom up to atomic number 35, an alkyl group or an alkoxy group with at most 2 carbon atoms at most, R3 means an alkyl group with 4 carbon atoms at most and R4 and R5 each signify an alkyl group with at most 4 carbon atoms or both signify together with the adjacent nitrogen atom as -NR4R5, the 1-pyrrolidinyl, piperidinic or morpholinic group, and their addition salts with acids inorganic and organic, characterized in that a compound of the general formula II **(See formula)** in which R1, R2, R3, R4 and R5 have the significance indicated above, it is reduced by a complex hydride and, if desired, the obtained benzofuran derivative falling under general formula I, is transformed into an addition salt with an inorganic acid or organic. (Machine-translation by Google Translate, not legally binding)
ES371236A 1969-08-05 1969-09-05 Procedure for the preparation of new benzofuran derivatives. (Machine-translation by Google Translate, not legally binding) Expired ES371236A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1184669A CH504429A (en) 1969-08-05 1969-08-05 3-(2-amino-ethyl)-benzofurans

Publications (1)

Publication Number Publication Date
ES371236A1 true ES371236A1 (en) 1971-08-16

Family

ID=4377461

Family Applications (3)

Application Number Title Priority Date Filing Date
ES371237A Expired ES371237A1 (en) 1969-08-05 1969-09-05 Procedure for the preparation of new benzofuran derivatives. (Machine-translation by Google Translate, not legally binding)
ES371235A Expired ES371235A1 (en) 1969-08-05 1969-09-05 Procedure for the preparation of new benzofuran derivatives. (Machine-translation by Google Translate, not legally binding)
ES371236A Expired ES371236A1 (en) 1969-08-05 1969-09-05 Procedure for the preparation of new benzofuran derivatives. (Machine-translation by Google Translate, not legally binding)

Family Applications Before (2)

Application Number Title Priority Date Filing Date
ES371237A Expired ES371237A1 (en) 1969-08-05 1969-09-05 Procedure for the preparation of new benzofuran derivatives. (Machine-translation by Google Translate, not legally binding)
ES371235A Expired ES371235A1 (en) 1969-08-05 1969-09-05 Procedure for the preparation of new benzofuran derivatives. (Machine-translation by Google Translate, not legally binding)

Country Status (2)

Country Link
CH (2) CH504463A (en)
ES (3) ES371237A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5087638A (en) * 1984-06-20 1992-02-11 Merck Frosst Canada, Inc. Benzofuran derivatives

Also Published As

Publication number Publication date
CH504463A (en) 1971-03-15
ES371237A1 (en) 1971-08-16
ES371235A1 (en) 1971-08-16
CH504429A (en) 1971-03-15

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