| abstract |
1390336 Antibiotic B-41 pesticide SANKYO CO Ltd 8 June 1973 [8 June 1972] 27437/ 73 Heading ASE [Also in Division C2] An. insecticidal and/or acaricidal composition comprises at least one antibiotic from antibiotic B-41 and its constituents A 1 , A 2 , A 3 , A 4 , B 1 , B 2 , B 3 , C 1 and C 2 [see Division C2]. The composition may be in the form of a dust, wettable powder, emulsifiable concentrate or sprayable liquid. The compositions may contain other pesticides such as 2- (1- methylpropyl)-4, 6-dinitrophenyl-#, #-dimethyl acrylate, di-(p-chlorophenyl) - cyclopropylcarbinol, N'-(2-methyl-4-chlorophenyl)-N, N-dimethylformamidine, 2, 4, 4', 5-tetrachlorodiphenylsulphone, 1, 1-bis (p-chlorophenyl)-2, 2, 2-trichloroethanol, 0, 0-diethyl-S-(2-ethylthio) ethyl phosphorodithioate, 0, 0-dimethyl-S (N- methyl-N-formylcarbamoylmethyl) phosphorodithioate, 2-see.-butylphenyl-N-methylcarbamate, m-tolyl-N-methylcarbamate or mineral oil. In some cases, synergistic effect is exhibited. Antibiotic B-41 constituents A 3 , A 4 , B 2 , B 3 , C 1 and C 2 have the formula: wherein R<SP>1</SP>, R<SP>2</SP> and R<SP>3</SP> are as follows: Constiutuent A 1 has the formula: Constituents B, and A 2 have the formulae C 39 H 58 O 10 and C 38 H 56 O 10 respectively. |