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74014-51-0

74014-51-0结构式
74014-51-0结构式
  • 常用中文名:罗他霉素
  • 常用英文名:RICAMYCIN
  • CAS号:74014-51-0
  • 分子式:C42H69NO15
  • 分子量:827.99500
  • 相关类别: 原料药 抗生素类药物 大环内酯类药
  • 发布时间:2018-05-15 08:00:00
  • 更新时间:2024-01-03 09:53:04
  • 大环内酯类抗菌素,对革兰阳性菌、厌氧菌和支原体属等均有较强的抗崔活性。用于敏感菌所引起的各种感染,如肺炎、支原体性肺炎、外耳炎、中马炎、牙周炎、副鼻窦炎、皮下脓肿、汗腺炎、喉炎、急性支气管炎、扁桃体炎疖子、丹毒等。


化源商城直购

中文名 罗他霉素
英文名 rokitamycin
中文别名 洛其他黴素
柱晶白霉素V 4B-丁酸酯3B-丙酸酯
柱晶白霉素A4
英文别名 Leucomycin V,4B-butanoate 3B-propanoate (9CI)
Leummycin V 4B-bu-tanoate 3 B-propanoate
T'urimyein H4
Rikamycin
3''-O-propionyl leucomycin A5
Ricamycin
TMS 19Q
M-19-Q
3''-Propionylleucomycin A5
Rokital
密度 1.21 g/cm3
沸点 879.3ºC at 760 mmHg
熔点 116°
分子式 C42H69NO15
分子量 827.99500
闪点 485.6ºC
精确质量 827.46700
PSA 206.05000
LogP 3.15750
折射率 1.535
分子结构

1、 摩尔折射率:213.00

2、 摩尔体积(cm3/mol):683.8

3、 等张比容(90.2K):1829.7

4、 表面张力(dyne/cm):51.2

5、 极化率(10-24cm3):84.44

计算化学

1.疏水参数计算参考值(XlogP):3

2.氢键供体数量:3

3.氢键受体数量:16

4.可旋转化学键数量:15

5.互变异构体数量:4

6.拓扑分子极性表面积206

7.重原子数量:58

8.表面电荷:0

9.复杂度:1380

10.同位素原子数量:0

11.确定原子立构中心数量:16

12.不确定原子立构中心数量:0

13.确定化学键立构中心数量:2

14.不确定化学键立构中心数量:0

15.共价键单元数量:1

更多

1.性状:白色至微黄色粉末,无臭,味苦。

2.溶解度:极易溶于甲醇、乙醇、乙醚、丙酮或乙酸乙酯,几不溶于水或正己烷。

3.熔点:116℃。

4.比旋光度:[α] D25-50°(C=1,氯仿),也有报道[α]D20 -71°(C=1.0,氯仿)。

5.UV最大吸收(乙醇):232nm(ε28000)。

CHEMICAL IDENTIFICATION

RTECS NUMBER :
OH4726300
CHEMICAL NAME :
Leucomycin V, 4(sup B)-butanoate 3(Sup B)-propanoate
CAS REGISTRY NUMBER :
74014-51-0
LAST UPDATED :
199612
DATA ITEMS CITED :
9
MOLECULAR FORMULA :
C42-H69-N-O15
MOLECULAR WEIGHT :
828.12

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
>4 gm/kg
TOXIC EFFECTS :
Gastrointestinal - other changes Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
NKRZAZ Chemotherapy (Tokyo). (Nippon Kagaku Ryoho Gakkai, 2-20-8 Kamiosaki, Shinagawa-Ku, Tokyo 141, Japan) V.1- 1953- Volume(issue)/page/year: 32(Suppl 6),138,1984
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
>4 gm/kg
TOXIC EFFECTS :
Sense Organs and Special Senses (Olfaction) - effect, not otherwise specified Gastrointestinal - hypermotility, diarrhea
REFERENCE :
NKRZAZ Chemotherapy (Tokyo). (Nippon Kagaku Ryoho Gakkai, 2-20-8 Kamiosaki, Shinagawa-Ku, Tokyo 141, Japan) V.1- 1953- Volume(issue)/page/year: 32(Suppl 6),138,1984
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
>4 gm/kg
TOXIC EFFECTS :
Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
NKRZAZ Chemotherapy (Tokyo). (Nippon Kagaku Ryoho Gakkai, 2-20-8 Kamiosaki, Shinagawa-Ku, Tokyo 141, Japan) V.1- 1953- Volume(issue)/page/year: 32(Suppl 6),138,1984
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
>5 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
JANTAJ Journal of Antibiotics. (Japan Antibiotics Research Assoc., 2-20-8 Kamiosaki, Shinagawa-ku, Tokyo, 141, Japan) V.2-5, 1948-52; V.21- 1968- Volume(issue)/page/year: 34,1001,1981
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
>4 gm/kg
TOXIC EFFECTS :
Sense Organs and Special Senses (Olfaction) - effect, not otherwise specified Gastrointestinal - hypermotility, diarrhea
REFERENCE :
NKRZAZ Chemotherapy (Tokyo). (Nippon Kagaku Ryoho Gakkai, 2-20-8 Kamiosaki, Shinagawa-Ku, Tokyo 141, Japan) V.1- 1953- Volume(issue)/page/year: 32(Suppl 6),138,1984
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
>4 gm/kg
TOXIC EFFECTS :
Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
NKRZAZ Chemotherapy (Tokyo). (Nippon Kagaku Ryoho Gakkai, 2-20-8 Kamiosaki, Shinagawa-Ku, Tokyo 141, Japan) V.1- 1953- Volume(issue)/page/year: 32(Suppl 6),138,1984
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Mammal - dog
DOSE/DURATION :
>360 mg/kg
TOXIC EFFECTS :
Gastrointestinal - nausea or vomiting
REFERENCE :
NKRZAZ Chemotherapy (Tokyo). (Nippon Kagaku Ryoho Gakkai, 2-20-8 Kamiosaki, Shinagawa-Ku, Tokyo 141, Japan) V.1- 1953- Volume(issue)/page/year: 32(Suppl 6),138,1984 ** OTHER MULTIPLE DOSE TOXICITY DATA **
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Mammal - dog
DOSE/DURATION :
65520 mg/kg/26W-I
TOXIC EFFECTS :
Gastrointestinal - changes in structure or function of salivary glands Gastrointestinal - nausea or vomiting Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
JJANAX Japanese Journal of Antibiotics. (Japan Antibiotics Research Assoc., 2-20-8 Kamiosaki, Shinagawa-ku, Tokyo 141, Japan) V.21- 1968- Volume(issue)/page/year: 40,561,1987 ** REPRODUCTIVE DATA **
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
3900 mg/kg
SEX/DURATION :
female 6-18 day(s) after conception
TOXIC EFFECTS :
Reproductive - Fertility - litter size (e.g. # fetuses per litter; measured before birth)
REFERENCE :
JJANAX Japanese Journal of Antibiotics. (Japan Antibiotics Research Assoc., 2-20-8 Kamiosaki, Shinagawa-ku, Tokyo 141, Japan) V.21- 1968- Volume(issue)/page/year: 40,602,1987

以吉他霉素氏为原料。
10g吉他霉素A5溶于50ml干燥1,2-二氯乙烷和4.2ml乙酸酐,在室温下搅拌0.5h。将反应液加到200ml冰水中,用7%氨水调至Ph=10,再用50ml 1,2-二氯乙烷提取。提取液用无水硫酸钠干燥,减压浓缩得.10g 2’-O-乙酰吉他霉素A5(I)粗品,收率94.8%。
10g2’-O-乙酰吉他霉素A5(I)溶于50ml干燥的二氯乙烷中,加入10g三苄基胺和6.6ml三甲基氯硅烷,在5~10℃下搅拌15h。然后把反应液倾入200rnl水中,用7%氨水调至Ph=9.5后,用1,2-二氯乙烷提取。提取液水洗后,用无水硫酸镁干燥。减压蒸去溶剂,得12.7g 2’-O-乙酰-3,9-二-O-三甲基硅吉他霉素A5(Ⅱ)粗品,收率96.1%。
将上述(Ⅱ)的粗品溶于50ml干燥1,2-二氯乙烷,加入31g三苄胺,然后在冰浴冷却和搅拌下,滴加11.25ml丙酰氯,在75℃下搅拌20h。反应液倾入200ml水中,用氨水调至Ph值为9.5后,用100ml 1,2-二氯乙烷提取。提取液经无水硫酸镁干燥后,减压蒸去溶剂,得2’-O-乙酰-17,18-烯醇-18,3’’-二-O-丙酰-3,9-二-O-三甲基硅吉他霉素A5(Ⅲ)和小量的2’-O-乙酰-3”-O-丙酰-3,9-二-O-三甲基硅吉他霉素A5(Ⅳ)及大量三苄胺的混合物。无需分离,加入495ml甲醇和55ml 8%碳酸钾水溶液,在室温下搅拌1h,得含2’-O-乙酰-3”-O-丙酰-吉他霉素A5(V)的溶液。用乙酸调至Ph=7.5,回流20h,然后减压浓缩。剩余物溶于1,2-二氯乙烷,用3%氨水洗1次,再水洗2次,然后减压浓缩。剩余物溶于冷甲醇,过滤除去不溶的三苄胺。滤液减压浓缩,得10.4g罗他霉素粗品,收率94.7%。将粗品溶于少量苯中,用硅胶进行柱层析(1.5crn×60cm),洗脱液为苯-乙酸乙酯-甲醇(36:4:1,体积比),收集Rf=0.57附近的各部分洗脱液,合并减压蒸干,即得7.5g纯罗他霉素精品,熔点约116℃。总收率70%。74014-51-0 preparation74014-51-0 preparation