公开(公告)号：US3488397A

公开(公告)日：1970-01-06

申请号：US3488397D

申请日：1967-10-19

Applicant: BOFORS AB

Inventor： HAKANSSON CHRISTER LENNART ,  ARVIDSSON ARNE ARVID ,  LOKEN INGAR

IPC: C07C201/08 ,  C07C205/06 ,  C07C79/10

CPC classification number: C07C201/08 ,  C07C205/06

公开(公告)号：GB1207384A

公开(公告)日：1970-09-30

申请号：GB4794767

申请日：1967-10-20

Applicant: BOFORS AB

Inventor： HAKANSSON CHRISTER LENNART ,  ARVIDSSON ARNE ARVID ,  LOKEN INGAR

IPC: C07C201/08 ,  C07C205/06

Abstract: 1,207,384. Nitration of aromatic compounds. BOFORS A.B. 20 Oct., 1967 [20 Oct., 1966], No. 47947/67. Heading C2C. Mono-alkyl substituted nitro compounds are nitrated with nitric acid in the presence of phosphoric acid, the amount and concentration of which is such that at the conclusion of the nitration the P 2 O 5 content in the spent acid does not exceed 82% by weight, preferably 76% by weight. In the examples (a) toluene is nitrated to give mainly o-and p-nitrotoluene with small amounts of m-nitrotoluene; (b) ethyl benzene is nitrated to give mainly o- and p-nitroethylbenzene; (c) isopropyl benzene is nitrated to o- and p-nitro isopropylbenzene; (d) o-nitrotoluene is nitrated to give 2,4- and 2,6-dinitrotoluene; and (e) m-nitrotoluene was nitrated to give 3,4-, 2,3- and 2,5-dinitrotoluene.

公开(公告)号：FR1541376A

公开(公告)日：1968-10-04

申请号：FR124902

申请日：1967-10-18

Applicant: BOFORS AB

Inventor： HAKANSSON CHRISTER LENNART ,  ARVIDSSON ARNE ARVID ,  LOKEN INGAR

IPC: C07C201/08 ,  C07C205/06