公开(公告)号：US3576798A

公开(公告)日：1971-04-27

申请号：US3576798D

申请日：1965-09-27

Applicant: LITTLE INC A

Inventor： PARS HARRY G ,  GRANCHELLI FELIX E

IPC: C07C49/84 ,  C07D491/04 ,  C07D491/052 ,  C07D7/32

CPC classification number: C07D491/04 ,  C07C49/84

Abstract: NOVEL 8-ALKYL- (AND 8-CYCLOALKYL-LOWR-ALKYL-) 10-HYDROXY - 5,5 - DI-LOWERALKYL - 1,2,3,4 - TETRAHYDRO - 5 - H(1)-BENZOPYRANO (O84-D) PYRIDINES AND CERTAIN EITHER AND ESTER DERIVATIVES THEREOF POSSESS CENTRAL NERVOUS DEPRESSANT ACTIVITY AND ARE USEFUL AS PSYCHOTROPICAGENTS.

公开(公告)号：US3661919A

公开(公告)日：1972-05-09

申请号：US3661919D

申请日：1969-03-27

Applicant: LITTLE INC A

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

IPC: C07C39/23 ,  C07D311/80 ,  C07D491/04 ,  C07D491/052 ,  C07D491/18 ,  C07D29/38

CPC classification number: C07D491/04 ,  C07C39/23 ,  C07C2601/16 ,  C07D311/80

Abstract: NEW 2-R2-5-ALKYL-RESORCINOLS HAVING ANTI-BACTERIAL AND ANTI-FUNGAL ACTIVITY.

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.

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