公开(公告)号：US3665029A

公开(公告)日：1972-05-23

申请号：US3665029D

申请日：1969-06-23

Applicant: BASF AG

Inventor： GOERTH HELMUT ,  ARMBRUST HERBERT

IPC: C07C121/78

Abstract: Production of o-aminobenzonitriles by thermal decomposition of isatin Beta -oximes in the presence of basic compounds. The new products are starting materials for the production of dyes and pesticides.

公开(公告)号：US3682928A

公开(公告)日：1972-08-08

申请号：US3682928D

申请日：1969-05-19

Applicant: BASF AG

Inventor： STURM HANS-JUERGEN ,  GOERTH HELMUT

IPC: C07D215/22 ,  C07D33/38

CPC classification number: C07D215/22

Abstract: Production of 2,4-dihydroxyquinoline starting from Nacetoacetylanthranilic acid esters.

Abstract translation: 从N-乙酰乙酰邻氨基苯甲酸酯开始生产2,4-二羟基喹啉。

公开(公告)号：US3652571A

公开(公告)日：1972-03-28

申请号：US3652571D

申请日：1969-05-22

Applicant: BASF AG

Inventor： STURM HANS JUERGEN ,  GOERTH HELMUT

IPC: C07D215/22 ,  C07D215/56 ,  C07D33/38

CPC classification number: C07D215/22 ,  C07D215/56

Abstract: PRODUCTION OF 2,4-DIHYDROXYQUINOLINES OR DERIVATIVES THEREOF STARTING FROM BENZOXAZINONES AND USING A STRONG BASE.