ES222386A1 - A procedure for the preparation of basic heterocyclic ethics (Machine-translation by Google Translate, not legally binding)
- Google Patents
A procedure for the preparation of basic heterocyclic ethics (Machine-translation by Google Translate, not legally binding)
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.)
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.)
F Hoffmann La Roche AG
Original Assignee
F Hoffmann La Roche 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 F Hoffmann La Roche AGfiledCriticalF Hoffmann La Roche AG
Priority to ES222386ApriorityCriticalpatent/ES222386A1/en
Publication of ES222386A1publicationCriticalpatent/ES222386A1/en
Process for the preparation of basic heterocyclic ethers corresponding to the formula ** in which z is a divalent radical selected from the group consisting of imino oxo and uncle and each r is a monovalent radical selected from the group it consists of hydrogen lower alkoyl and di (lower alkoyl) -amino- (lower alkoxy); at least one but not more than two of the radicals r is a di (lower alkoyl) -amino- (lower alkoxy) radical consisting of reacting a compound which corresponds to the formula ** (see formula) ** in the which has the same meaning as indicated above and r 'is a monovalent radical selected from the group consisting of hydrogen lower alkoxy and hydroxyl; at least one but not more than two of the radicals r 'being a hydroxyl radical with a halide of di (lower alkoyl) -amino- (lower alkoyl) in the presence of an acid binder. (Machine-translation by Google Translate, not legally binding)
ES222386A1955-06-131955-06-13A procedure for the preparation of basic heterocyclic ethics (Machine-translation by Google Translate, not legally binding)
ExpiredES222386A1
(en)
Procedure for the preparation of new compounds of 1,4-benzodioxane and 1,5-benzodioxepane (Machine-translation by Google Translate, not legally binding)