(JP1987999) NEW MATERIAL:Milbemycin compounds alpha16, alpha17, alpha18, alpha19 and beta8 expressed by formulas I and II, having the following physicochemical properties: Milbemycin alpha16: molecular weight, 514; molecular formula, C30H42O7; solubility, readily soluble in ethyl acetate, acetone, acetonitrile, ethanol and methanol and slightly soluble in water. alpha17: molecular weight, 528; molecular formula, C31H44O70. alpha18: molecular weight, 556; molecular formula, C32H44O80. alpha19: molecular weight, 558; molecular formula, C32H46O80. beta8: molecular weight, 542; molecular formula, C32H50O6, etc. USE:An acaricide and insecticide for sanitary insect pest and farm and garden insect pests. PREPARATION:The aimed compounds are obtained by cultivating the genus Streptomyces B-41-146 strain (FERM P-1438) under aerobic conditions preferably by a deep culture at near 28 deg.C for 5-15 days.
(JP95025765) 1. The [mirubemaishin] conversion which is displayed with the next chemical formula Combination ones I , I , I , I  and I : 2. To belong to [sutoreputomisesu] being attached, the mil of the below-mentioned formula [bemaishin] chemical compound I , I , I , I  and I  raw To culture the germ which it produces aerobically, from that culture the products single Separation the particular [mirubemaishin] chemical compound which features that it does make Structure method:
(JP1987999) LEGAL DETAILS FOR JPS63227590 Actual or expected expiration date=2007-03-17 Legal state=DEAD Status=EXPIRED Event publication date=1987-03-17 Event code=JP/APP Event indicator=Pos Event type=Examination events Application details Application country=JP JP6165287 Application date=1987-03-17 Standardized application number=1987JP-0061652 Event publication date=1988-09-21 Event code=JP/A Event indicator=Pos Event type=Examination events Published application Publication country=JP Publication number=JPS63227590 Publication stage Code=A Publication date=1988-09-21 Standardized publication number=JP63227590 Event publication date=1995-03-22 Event code=JP/B2 Event indicator=Pos Event type=Event indicating In Force Published granted patent (Second level) from 01-03-1996 onwards (Published examined patent application (Second level) 1971-1996) Publication country=JP Publication number=JPH0725765 Publication stage Code=B2 Publication date=1995-03-22 Standardized publication number=JP95025765 Event publication date=1995-11-08 Event code=JP/C Event indicator=Pos Event type=Event indicating In Force Granted patent from 1000001 onwards Publication country=JP Publication number=JP1987999 Publication stage Code=C Publication date=1995-11-08 Standardized publication number=JP1987999 Event publication date=2007-03-17 Event code=JP/EEDX Event indicator=Neg Event type=Event indicating Not In Force Patent has expired