Dialkylamino esters of benzopyranopyridines
    4.
    发明授权
    Dialkylamino esters of benzopyranopyridines 失效
    苯甲酰胺的二乙基氨基甲酸酯

    公开(公告)号:US3787424A

    公开(公告)日:1974-01-22

    申请号:US3787424D

    申请日:1972-05-08

    Applicant: SHARPS ASS

    Inventor: PARS H RAZDAN R

    CPC classification number: C07D491/04

    Abstract: WHEREIN R1 IS HYDROGEN LOWERALKANOYL, CYCLOALKYLLOWERALKYL, LOWERALKYL, CYCLOALKYLLOWERALKANOYL, LOWERALKENYL, LOWERALKYNYL, HALOLOWERALKENYL, PHENYLLOWERALKYL, PHENYLLOWERALKENYL OR PHENYLLOWERALKNYL; R2 IS LOWERALKYL; R3 IS C1-C20 ALKYL OR CYCLOALKYLLOWERALKYL; N IS AN INTEGER FROM 1 TO 6; AND R4 IS HYDROGEN OR LOWERALKYL; AND THE PHARMACEUTICALLY ACCEPTALE ACID ADDITION SALTS THEREOF.
    TETRAHYDRO-5H-(1)BENZOPYRANO(4,3-C)PYRIDINE

    2-R1,5,5-DI(R-),8-R3,10-((R4-)2-N-(CH2)N-COO-)-1,2,3,4-

    DIALKYLAMINO ESTERS OF BENZOPYRANOPYRIDINES REPRESENTED BY THE FORMULA

    Certain 4-(4-pyridyl)-5-hydroxy-coumarin intermediates
    5.
    发明授权
    Certain 4-(4-pyridyl)-5-hydroxy-coumarin intermediates 失效
    某些4-(4-吡啶基)-5-羟基 - 间苯二酚中间体

    公开(公告)号:US3707474A

    公开(公告)日:1972-12-26

    申请号:US5985470

    申请日:1970-06-26

    CPC classification number: C07D405/04 A61K31/35 A61K31/44 C07F9/58 C07F9/655

    Abstract: NOVEL CHEMICAL COMPOUNDS AND NON-TOXIC ACID ADDITION SALTS THEREOF ARE DISCLOSED WHEREIN THE COMPOUNDS HAVE THE FORMULAS:

    2,2,3-TRI(R1-),4-(PYRID-4-YL),5-X,7-R2-CHROMAN (I)

    2,2-DI(R1-),4-(PYRID-4-YL),5-X,7-R2-2H-CHROMENE (II)

    2-(O=),4-(PYRID-4-YL),5-X,7-R2-2H-CHROMENE (III)

    IN WHICH R1 IS LOWER ALKYL HAVING 1 TO 6 CARBON ATOMS, R2 IS ALKYL HAVING 1 TO 20 CARBON ATOMS OR CYCLOALKYLLOWER-ALKYL, THE CYCLOALKYL PART HAVING 3 TO 8 CARBON ATOMS, AND X IS OH OR A PHARMACEUTICALLY ACCEPTABLE SALT INCLUDING AN ALKALI METAL SALT, OR AN ETHER OR ESTER OF THE OHGROUP, EXCLUSIVE OF AMINO ACID ESTERS. COMPOUNDS I AND II POSSESS BENEFICIAL PHARMACODYNAMIC ACTIVITY WITH RESPECT TO THE CARDIOVASCULAR AND CENTRAL NERVOUS SYSTEM, AND COMPOUNDS III ARE INTERMEDIATES FOR USE IN THE PREPARATION OF COMPOUNDS I AND II.

Patent Agency Ranking