ES423985A1 - Procedure for the preparation of n, N-bis- (2- (3,4-dihydroxypenyl) -2-hydroxyethyl) -hexameethylendiamine and of its salts by addition of acid. (Machine-translation by Google Translate, not legally binding) - Google Patents

Procedure for the preparation of n, N-bis- (2- (3,4-dihydroxypenyl) -2-hydroxyethyl) -hexameethylendiamine and of its salts by addition of acid. (Machine-translation by Google Translate, not legally binding)

Info

Publication number
ES423985A1
ES423985A1 ES423985A ES423985A ES423985A1 ES 423985 A1 ES423985 A1 ES 423985A1 ES 423985 A ES423985 A ES 423985A ES 423985 A ES423985 A ES 423985A ES 423985 A1 ES423985 A1 ES 423985A1
Authority
ES
Spain
Prior art keywords
hydroxyethyl
bis
translation
salts
procedure
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
ES423985A
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.)
CH Boehringer Sohn AG and Co KG
Original Assignee
CH Boehringer Sohn AG and Co KG
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 CH Boehringer Sohn AG and Co KG filed Critical CH Boehringer Sohn AG and Co KG
Publication of ES423985A1 publication Critical patent/ES423985A1/en
Expired legal-status Critical Current

Links

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/55—Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups

Landscapes

  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

Procedure for the preparation of N, N'-bis- [2- (3,4-dihydroxyphenyl) -2-hydroxyethyl] -hexamethylenediamine and its salts by addition of acid, characterized in that 1,6-hexandiamine is condensed with a compound of the formula **(See formula)** wherein R means a protecting group capable of being separated by hydrogenolysis and R'means hydrogen or a lower alcohol radical, the compound obtained of the formula **(See formula)** it is reduced with a complex hydride, thereafter the protecting groups are removed in the usual way and the reaction product is subsequently optionally converted to the free base or a desired acid addition salt. (Machine-translation by Google Translate, not legally binding)
ES423985A 1973-03-12 1974-03-06 Procedure for the preparation of n, N-bis- (2- (3,4-dihydroxypenyl) -2-hydroxyethyl) -hexameethylendiamine and of its salts by addition of acid. (Machine-translation by Google Translate, not legally binding) Expired ES423985A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2312234A DE2312234A1 (en) 1973-03-12 1973-03-12 Hexamethylene-diamine derivs from 1,6-hexane-diamine - esp. N,N'-bis (2-(3,4-dihydroxyphenyl)-2-hydroxyethyl)- deriv

Publications (1)

Publication Number Publication Date
ES423985A1 true ES423985A1 (en) 1976-05-01

Family

ID=5874542

Family Applications (1)

Application Number Title Priority Date Filing Date
ES423985A Expired ES423985A1 (en) 1973-03-12 1974-03-06 Procedure for the preparation of n, N-bis- (2- (3,4-dihydroxypenyl) -2-hydroxyethyl) -hexameethylendiamine and of its salts by addition of acid. (Machine-translation by Google Translate, not legally binding)

Country Status (6)

Country Link
JP (1) JPS49125326A (en)
DD (1) DD112253A5 (en)
DE (1) DE2312234A1 (en)
ES (1) ES423985A1 (en)
NL (1) NL7403216A (en)
SU (1) SU504476A3 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6541669B1 (en) 1998-06-08 2003-04-01 Theravance, Inc. β2-adrenergic receptor agonists
US6713651B1 (en) 1999-06-07 2004-03-30 Theravance, Inc. β2-adrenergic receptor agonists
US6683115B2 (en) 1999-06-02 2004-01-27 Theravance, Inc. β2-adrenergic receptor agonists
UA73965C2 (en) 1999-12-08 2005-10-17 Theravance Inc b2 ADRENERGIC RECEPTOR ANTAGONISTS

Also Published As

Publication number Publication date
NL7403216A (en) 1974-09-16
DE2312234A1 (en) 1974-09-19
JPS49125326A (en) 1974-11-30
DD112253A5 (en) 1975-04-05
SU504476A3 (en) 1976-02-25

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