摘要:
New antibiotic compounds, Fortimicin factors KF and KG are produced by fermentation of microorganisms belonging to the genus Micromonospora. The antibiotic compounds are accumulated in the culture liquor and are isolated therefrom.
摘要:
New antibiotic compounds, Fortimicin factors D and KE are produced by fermentation of microorganisms belonging to the genus Micromonospora. The antibiotic compounds are accumulated in the culture liquor and are isolated therefrom. A semisynthetic method of producing Fortimicin KE utilizing Fortimicin D is also disclosed.
摘要:
A novel series of antibiotics designated the XK-88 series are produced by culturing a microorganism belonging to the genus Streptomyces in a nutrient medium and thereafter recovering the antibiotics from the culture liquor.BACKGROUND OF THE INVENTIONThe present invention relatees to novel antibiotics and a process for the production thereof. More specifically the present invention relates to novel antibiotics designated, XK-88-1, XK-88-2, XK-88-3 and XK-88-5 and a process for producing such antibiotics.Antibiotics which exhibit activity against a borad spectrum of bacteria are always in demand. To this end, a new species of microorganism has been isolated from soil located in Tajima-cho, Hofu-shi, Yamaguchi-ken, Japan. This new species, when cultured, produces a series of new antibiotics, the XK-88 series, all of which exhibit strong antibacterial activity against various Gram-positive and Gram-negative bacteria. Accordingly, the antibiotics of the invention are useful to clean and sterilize laboratory glassware ans surgical instruments, and may also be used in combination with various soaps for sanitation purposes as in cleaning and sanitizing hospital rooms and areas used for the preparation of food.
摘要:
New antibiotic compounds, Fortimicin factors D and KE are produced by fermentation of microorganisms belonging to the genus Micromonospora. The antibiotic compounds are accumulated in the culture liquor and are isolated therefrom. A semisynthetic method of producing Fortimicin KE utilizing Fortimicin D is also disclosed.
摘要:
A new antibiotic, Fortimicin C, is produced by fermentation of a microorganism belonging to the genus Micromonospora. The antibiotic is accumulated in the culture medium and is isolated therefrom.
摘要:
A new antibiotic, Fortimicin A, is produced by fermentation of a microorganism belonging to the genus Micromonospora. The antibiotic is accumulated in the culture medium and is isolated therefrom.
摘要:
Disclosed is a novel physiologically active substance, K-26, a process for preparation thereof and a pharmaceutical composition containing the same. The composition of matter, K-26, is useful as a hypotensive agent.
摘要:
3, 3", 4"-Tri-O-acylspiramycin I represented by the formula: ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are the same or different groups, and at least one of the groups is a straight or branched chain alkylcarbonyl group represented by --COC.sub.m H.sub.2m+1 wherein m is an integer of 2-4 and the other group(s) are straight or branched chain alkylcarbonyl group(s) represented by --COC.sub.n H.sub.2n+1 wherein n is an integer of 1-4, and its pharmacologically acceptable acid addition salts.
摘要翻译:3,3“,4” - 由下式表示的三-O-酰基螺旋霉素I:其中R1,R2和R3是相同或不同的基团,并且至少一个基团是直链或支链 由-COCmH2m + 1表示的烷基羰基,其中m是2-4的整数,另一个基团是由-COC n H 2n + 1表示的直链或支链烷基羰基,其中n是1-4的整数, 及其药理学上可接受的酸加成盐。
摘要:
Disclosed is a novel physiologically active substance K-4 which has a hypotensive activity, a process production thereof and a pharmaceutical composition containing the same.
摘要:
A novel antibacterial compound, XK-99, is produced by fermentation of an organism belonging to the genus Micromonospora. The compound is isolated from the microbial cells and culture liquor.