Patent search ap:("LITTLE INC A") AND inv:"RAZDAN RAJ K" Page 2

11.

发明授权
4-oxo-9-hydroxy-7-(3-methyl-2-octyl)-1 2 3 4-tetrahydrocyclopenta(c)(1)benzopyran 失效
Title translation: 4-氧代-7-羟基-7-（3-甲基-2-肟基）-1 2 3 4-四氢环戊二烯（C）（1）苯并噻吩

公开(公告)号：US3639426A

公开(公告)日：1972-02-01

申请号：US3639426D

申请日：1970-01-08

Applicant: LITTLE INC A

Inventor： RAZDAN RAJ K , GRANCHELLI FELIX E , PARS HARRY G

IPC: C07D311/94 , C07D7/26

CPC classification number: C07D311/94

Abstract: 4-OXO-9-HYDROXY-7-(3-METHYL - 2 - OCTYL)-1,2,3,4-TETRAHYDROCYCLOPENTA(C)(1)BENZOPYRAN, USED AS AN INTERMEDIATE IN THE PREPARATION OF 1,2,3,4-TETRAHYDROCYCLOPENTA(C)(1)BENZOPYRANS AND 1,2,3,4,12,13-HEXAHYDROCYCLOPENTA(C)(1)BENZOPYRANS WHICH HAVE C.N.S. ACTIVITY.

12.

发明授权
5-oxo-1,2,3,4-tetrahydro-5h-(1)benzopyrano(3,4-c)pyridines 失效
Title translation: 5-OXO-1,2,3,4-四氢-5H-（1）苯并噻唑（3,4-C）吡啶

公开(公告)号：US3514464A

公开(公告)日：1970-05-26

申请号：US3514464D

申请日：1967-05-29

Applicant: LITTLE INC A

Inventor： PARS HARRY G , GRANCHELLI FELIX E , RAZDAN RAJ K

IPC: C07D491/04 , C07D491/052 , C07D31/34

CPC classification number: C07D491/04

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