品牌现货直购
供应商:我要出现这里

查看所有供应商和价格请点击:

31329-57-4生产厂家

31329-57-4价格

31329-57-4

31329-57-4结构式
31329-57-4结构式

化源商城直购

中文名 萘呋胺酯
英文名 2-(diethylamino)ethyl 2-(naphthalen-1-ylmethyl)-3-(oxolan-2-yl)propanoate
中文别名 3-(1-萘基)-2-四氢糠基丙酸2-二乙氨基乙酯
萘呋胺
英文别名 LS 84
Praxilene
2-diethylaminoethyl 1-(tetrahydro-2-furyl)-3-(1-naphthyl)propane-2-carboxylate
3-<Naphthyl-1->-2-<tetrahydrofuranyl-2-methyl>-propionsaeure-<3-diethylamino-ethylester>
MFCD00868290
2-(Diethylamino)ethyl 3-(naphthalen-1-yl)-2-((tetrahydrofuran-2-yl)methyl)propanoate
EINECS 250-572-2
Dusodril
Naftidrofuryl
Naftidrofuryl [INN:BAN]
Naphtidrofuryl
Tridus
Naftidrofurylum [INN-Latin]
2-<Tetrahydro-furfuryl>-3-<1-naphthyl>2-diaethylamino-aethylester>nafronyl
密度 1.079g/cm3
沸点 171 °C / 4mmHg
熔点 80-83°C
分子式 C24H33NO3
分子量 383.52400
闪点 267.3ºC
精确质量 383.24600
PSA 38.77000
LogP 4.45260
分子结构

1、 摩尔折射率:114.22

2、 摩尔体积(cm3/mol):355.3

3、 等张比容(90.2K):910.9

4、 表面张力(dyne/cm):43.2

5、 极化率(10-24cm3):45.28

计算化学

1.疏水参数计算参考值(XlogP):4.8

2.氢键供体数量:0

3.氢键受体数量:4

4.可旋转化学键数量:11

5.互变异构体数量:无

6.拓扑分子极性表面积38.8

7.重原子数量:28

8.表面电荷:0

9.复杂度:465

10.同位素原子数量:0

11.确定原子立构中心数量:0

12.不确定原子立构中心数量:2

13.确定化学键立构中心数量:0

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.沸点(℃,66.7Pa)190。

2.相对密度(g/mL,23/4℃):1.0465。

3.折射率:1.5513。

毒理学数据:

急性毒性LD50小鼠(mg/kg):365口服。

CHEMICAL IDENTIFICATION

RTECS NUMBER :
LU5800000
CHEMICAL NAME :
2-Furanpropionic acid, tetrahydro-alpha-(1-naphthylmethyl)-, 2-(diethylamino)ethyl ester
CAS REGISTRY NUMBER :
31329-57-4
LAST UPDATED :
199612
DATA ITEMS CITED :
7
MOLECULAR FORMULA :
C24-H33-N-O3
MOLECULAR WEIGHT :
383.58
WISWESSER LINE NOTATION :
L66J B1YVO2N2&2&1- BT5OTJ

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 :
1890 mg/kg
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - lacrimation Behavioral - altered sleep time (including change in righting reflex) Lungs, Thorax, or Respiration - cyanosis
REFERENCE :
GNRIDX Gendai no Rinsho. (Tokyo, Japan) V.1-10, 1967-76(?). Volume(issue)/page/year: 5,1,1971
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
120 mg/kg
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - lacrimation Behavioral - altered sleep time (including change in righting reflex) Lungs, Thorax, or Respiration - cyanosis
REFERENCE :
GNRIDX Gendai no Rinsho. (Tokyo, Japan) V.1-10, 1967-76(?). Volume(issue)/page/year: 5,1,1971
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
2500 mg/kg
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - lacrimation Behavioral - altered sleep time (including change in righting reflex) Lungs, Thorax, or Respiration - cyanosis
REFERENCE :
GNRIDX Gendai no Rinsho. (Tokyo, Japan) V.1-10, 1967-76(?). Volume(issue)/page/year: 5,1,1971
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
365 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
EJMCA5 European Journal of Medicinal Chemistry--Chimie Therapeutique. (Editions Scientifiques Elsevier, 29 rue Buffon, F-75005, Paris, France) V.9- 1974- Volume(issue)/page/year: 10,291,1975
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
129 mg/kg
TOXIC EFFECTS :
Behavioral - altered sleep time (including change in righting reflex) Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - cyanosis
REFERENCE :
GNRIDX Gendai no Rinsho. (Tokyo, Japan) V.1-10, 1967-76(?). Volume(issue)/page/year: 5,1,1971
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
272 mg/kg
TOXIC EFFECTS :
Behavioral - altered sleep time (including change in righting reflex) Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - cyanosis
REFERENCE :
GNRIDX Gendai no Rinsho. (Tokyo, Japan) V.1-10, 1967-76(?). Volume(issue)/page/year: 5,1,1971
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
23 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
EJTXAZ European Journal of Toxicology and Environmental Hygiene. (Paris, France) V.7-9, 1974-76. For publisher information, see TOERD9. Volume(issue)/page/year: 8,188,1975

危害码 (欧洲) Xi
海关编码 2932190090

糠醛和丙二酸二乙酯溶于甲苯,搅拌下加入适量催化剂,回流脱水。反应液水洗,浓缩减压蒸馏,得化合物(I),收率90%~95%(以丙二酸二乙酯计)。
化合物(I)和催化剂(Pd/C或Raney Ni),在80~100℃和1.5~4.5MPa氢压下氢化。降温,滤除催化剂,浓缩,得化合物(Ⅱ),产率90%~95%。
化合物(Ⅱ)和二乙氨基乙醇溶于甲苯,加入适量催化剂(如氢化钠、乙醇钠、钠或锂等碱金属化合物),反应一定时间后,减压蒸出甲苯和过量的二乙氨基乙醇,用碱水洗,得化合物(Ⅲ),收率85%~90%。
化合物(Ⅲ)溶于二甲基甲酰胺,剧烈搅拌下缓慢加入氢化钠,再30℃下滴加氯甲苯萘,55~60℃保温。除去二甲基甲酰胺,碱水洗,得化合物(Ⅳ),产率75%。
化合物(Ⅳ)溶于二甲基甲酰胺,加入水回流。蒸出二甲基甲酰胺,收集198~200℃/93.3Pa的馏分,得萘呋胺,产率约85%,纯度90%。往萘呋胺的丙酮溶液中,滴加草酸水合物的丙酮溶液,加热至沸,置于冰箱。滤集沉淀,干燥,用乙醇-乙酸乙酯重结晶,得草酸萘呋胺,熔点109~110℃。31329-57-4 preparation

海关编码 2932190090
中文概述 2932190090 其他结构上有非稠合呋喃环化合物. 增值税率:17.0% 退税率:9.0% 监管条件:无 最惠国关税:6.5% 普通关税:20.0%
申报要素 品名, 成分含量, 用途
Summary 2932190090 other compounds containing an unfused furan ring (whether or not hydrogenated) in the structure VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:20.0%