公开(公告)号：US3547963A

公开(公告)日：1970-12-15

申请号：US3547963D

申请日：1968-03-26

Applicant: DU PONT

Inventor： KLANBERG FRANK KARL

IPC: C07F5/02 ,  C09B57/10 ,  C09B63/00 ,  C07D15/00 ,  C07D15/02 ,  C09B57/00

CPC classification number: C09B57/10 ,  C07F5/027 ,  C09B63/005 ,  Y10S8/918 ,  Y10S585/906

公开(公告)号：US3723468A

公开(公告)日：1973-03-27

申请号：US3723468D

申请日：1970-01-28

Applicant: DYNAMIT NOBEL AG

Inventor： BLUMENFELD G ,  DAUM G ,  RICHTZENHAIN H

IPC: C07D319/06 ,  C10L1/22 ,  C10L1/24 ,  C10L1/26 ,  C10L1/30 ,  C07D15/02

CPC classification number: C07D319/06 ,  C10L1/221 ,  C10L1/2493 ,  C10L1/2691 ,  C10L1/30

Abstract: Ketonitriles of the general formula

IN WHICH R1 and R2 signify alkyl groups with one to four carbonatoms, R3 and R4 are hydrogen atoms or alkyl groups with one to four C-atoms and wherein R3 and R4 may also together form a carbocyclic ring preferably with five or six C-atoms and n is zero, 1 or 2 produced by condensing diols of the formula

WITH CYANALDEHYDES OF THE FORMULA WHEREIN R1, R2, R3, R4 and n have the same meanings as set forth above, in the presence of strong acid catalysts where the diols may be in the thickly liquid, impure form. These ketonitriles are useful as herbicides.

Abstract translation: 通式为R 1和R 2的酮类表示具有1-4个碳原子的烷基，R 3和R 4是氢原子或具有1-4个C原子的烷基，并且其中R 3和R 4也可以一起形成碳环 具有五个或六个C原子，并且n是0,1或2，其通过将下式的二醇与本发明的化合物R1，R2，R3，R4和n的式（Ⅱ）的化合物与上述具有相同含义，在存在 强酸催化剂，其中二醇可以是稠的液体，不纯的形式。 这些酮腈可用作除草剂。

公开(公告)号：US3644428A

公开(公告)日：1972-02-22

申请号：US3644428D

申请日：1969-07-22

Applicant: ICI LTD

Inventor： INGLIS HUGH STEWART

IPC: C07D319/06 ,  C07D7/08 ,  C07D15/02

CPC classification number: C07D319/06

Abstract: A PROCESS FOR REACTING A CONJUGATED DIOLEFIN, E.G. 1,3BUTADIENE, WITH FORMALDEHYDE TO GIVE A PRODUCT COMPRISING A MAJOR PROPORTION OF A DIHYDROPYRAN, E.G. 5,6-DIHYDRO2H-PYRAN IN WHICH THE REACTION TAKES PLACE IN THE PRESENCE OF A LEWIS ACID CATALYST AND A SUBSTANTIALLY NON-AQUEOUS SOLVENT.

公开(公告)号：US3607882A

公开(公告)日：1971-09-21

申请号：US3607882D

申请日：1968-02-29

Applicant: FRAZ WENGER

Inventor： WENGER FRAZ

IPC: C07D323/06 ,  C07C43/30 ,  C07D13/02 ,  C07D15/02 ,  C07D15/04 ,  C07D17/00 ,  C07D19/00

CPC classification number: C07D323/06

Abstract: Acetals such as trioxane which contain impurities are purified by contacting them with an alkali metal ketyl such as one derived from benzophenone and p,p''-diphenyl-benzophenone.

公开(公告)号：US3526641A

公开(公告)日：1970-09-01

申请号：US3526641D

申请日：1967-04-13

Applicant: PERSTORP AB

Inventor： WESSLEN BENGT O ,  RYRFORS LARS-OLOF

IPC: C07D319/06 ,  C07D15/02

CPC classification number: C07D319/06