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    • 21. 发明授权
    • Antifungal agents
    • 抗真菌剂
    • US4876281A
    • 1989-10-24
    • US93001
    • 1987-09-04
    • Susumu YoshidaShizutoshi NakagawaTsuyoshi UshiroguchiHiromichi MatsuuraAkira Yazaki
    • Susumu YoshidaShizutoshi NakagawaTsuyoshi UshiroguchiHiromichi MatsuuraAkira Yazaki
    • A61K31/10A61K31/22A61P17/00A61P31/04A61P31/10
    • A61K31/22A61K31/10
    • An antifungal agent comprising as an effective component a polysulfide compound represented by formulaR.sub.1 --S(O).sub.p --R.sub.2 (A)whereinR.sub.1 is CH.sub.3 --, CH.sub.2 .dbd.CHCH.sub.2 -- or C.sub.2 H.sub.5 OCO(CH.sub.2).sub.3 --,p is an integer 1 or 2, andR.sub.2 is --S--CH.sub.2 CH.dbd.CH.sub.2 or --CH.sub.2 CH(H) CH(H)--S.sub.q --S(O).sub.r --R.sub.3 in which--CH.sub.2 CH(H) CH(H)-- is --CH.sub.2 CH.sub.2 CH.sub.2 -- or--CH.sub.2 CH.dbd.CH--,q is an integer 0 or 1, r is integer from 0 to 2, and R.sub.3 is selected from the group consisting of alkyl having 1 to 6 carbon atoms, benzyl, --CH.sub.2 CH.dbd.CH.sub.2, --CH.sub.2 CH.dbd.CHCH.sub.3, --(CH.sub.2).sub.3 COOC.sub.2 H.sub.5, and --CH.dbd.CHCH.sub.2 --S--(CH.sub.2).sub.3 COOC.sub.2 H.sub.5,with the proviso that p is 2 when R.sub.1 is CH.sub.2 .dbd.CHCH.sub.2 --, R.sub.2 is --CH.sub.2 CH(H) CH(H)--S.sub.q --S(O).sub.r --R.sub.3, --CH.sub.2 CH(H) CH(H)-- is --CH.sub.2 CH.dbd.CH--, q is 1, r is 0 and R.sub.3 is --CH.sub.2 CH.dbd.CH.sub.2.
    • 包含作为有效成分的由式R 1 -S(O)p -R 2(A)表示的多硫化合物作为有效成分的抗真菌剂,其中R 1为CH 3 - ,CH 2 = CHCH 2 - 或C 2 H 5 OCO(CH 2)3 - ,p为整数1或 2,并且R 2是-S-CH 2 CH = CH 2或-CH 2 CH(H)CH(H)-Sq-S(O)r -R 3,其中-CH 2 CH(H)CH(H) - 是-CH 2 CH 2 CH 2 - 或-CH 2 CH = CH-,q为整数0或1,r为0至2的整数,并且R 3选自具有1至6个碳原子的烷基,苄基,-CH 2 CH = CH 2,-CH 2 CH = CHCH 3, - (CH 2)3 COOC 2 H 5和-CH = CHCH 2 -S-(CH 2)3 COOC 2 H 5,条件是当R 1为CH 2 = CHCH 2 - 时,p为2,R 2为-CH 2 CH(H)CH(H)-Sq-S )r-R3,-CH2CH(H)CH(H) - 为-CH2CH = CH-,q为1,r为0,R3为-CH2CH = CH2。
    • 22. 发明授权
    • Production of vitamin K.sub.1 and vitamin K.sub.2
    • 生产维生素K1和维生素K2
    • US4229356A
    • 1980-10-21
    • US15868
    • 1979-02-27
    • Iwao TabushiHiroyuki SugimotoAkira Yazaki
    • Iwao TabushiHiroyuki SugimotoAkira Yazaki
    • C07C45/68C07C46/02C07C49/62C07C39/14
    • C07C45/68C07C46/02
    • A process for producing hydro-precursors for vitamin K.sub.1 and vitamin K.sub.2 which comprises reacting (A) 2-methylhydronaphthoquinone-1,4 with (B) a compound selected from the group consisting of phytyl bromide, isophytyl bromide, geranyl bromide, farnesyl bromide, geranylgeranyl bromide and the corresponding chlorides in a reaction system which comprises an aqueous phase comprising an aqueous solution of an alkali and an oily phase comprising a hydrophobic organic solvent, in the presence of a salt comprising a quaternary ammonium ion or a tetraalkyl phosphonium ion represented by the formula (I) or formula (II): ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 each represent an alkyl or aralkyl group containing from 1 to 20 carbon atoms and the sum of the carbons in R.sub.1, R.sub.2, R.sub.3 and R.sub.4 groups is at least 12. The resultant hydro-precursor is oxidized to convert it into vitamin K.sub.1 or vitamin K.sub.2.
    • 一种用于生产维生素K1和维生素K2的水解前体的方法,其包括使(A)2-甲基氢醌萘醌-1,4-与(B)选自植物溴,间苯二酚,香叶基溴,法呢基溴, 香叶基香叶基溴化物和反应体系中相应的氯化物,其包含含有包含疏水性有机溶剂的碱和油相的水溶液的水相,所述水相包含季铵离子或四烷基鏻离子 式(I)或式(II):其中R 1,R 2,R 3和R 4各自表示含有1至20个碳原子的烷基或芳烷基, R1,R2,R3和R4基团中的碳原子数至少为12.所得的氢前体被氧化,将其转化成维生素K1或维生素K2。