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糠偶酰

糠偶酰用途

【用途一】
用于有机合成。

糠偶酰名称

[ CAS 号 ]:
492-94-4

[ 中文名 ]:
糠偶酰

[ 英文名 ]:
Furil

[中文别名 ]:

[英文别名 ]:

Ethanedione,di-2-furanyl
1,2-di-(2-furyl)ethane-1,2-dione
2,2'-DIPYRIDINYL DISULFIDE
2,2'-Furil
MFCD00003241
Bipryomucyl
1,2-di(2-furanyl)-1,2-ethanedione
1,2-Di(2-furyl)ethane-1,2-dione
1,2-di(furan-2-yl)ethane-1,2-dione
Furil

糠偶酰物理化学性质

[ 密度 ]:
1.302 g/cm3

[ 沸点 ]:
302.7ºC at 760 mmHg

[ 熔点 ]:
163-165 °C(lit.)

[ 分子式 ]:
C₁₀H₆O₄

[ 分子量 ]:
190.15200

[ 闪点 ]:
138.4ºC

[ 精确质量 ]:
190.02700

[ PSA ]:
60.42000

[ LogP ]:
1.93820

[ 外观性状 ]:
白色晶体或粉末无气味的

[ 蒸汽压 ]:
0.000971mmHg at 25°C

[ 折射率 ]:
1.54

[ 储存条件 ]:
室温，干燥

糠偶酰MSDS

糠偶酰毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :: LV0580000

CHEMICAL NAME :: Furil

CAS REGISTRY NUMBER :: 492-94-4

BEILSTEIN REFERENCE NO. :: 0383882

LAST UPDATED :: 199701

DATA ITEMS CITED :: 2

MOLECULAR FORMULA :: C10-H6-O4

MOLECULAR WEIGHT :: 190.16

WISWESSER LINE NOTATION :: T5OJ BVV- BT5OJ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 56 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) Volume(issue)/page/year: NX#03858

糠偶酰安全信息

[ 个人防护装备 ]:
Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter

[ 危害码 (欧洲) ]:
Xi

[ 安全声明 (欧洲) ]:
S24/25

[ 危险品运输编码 ]:
NONH for all modes of transport

[ WGK德国 ]:
3

[ RTECS号 ]:
LV0580000

[ 海关编码 ]:
2932190090

糠偶酰合成路线

糠偶酰上下游产品

糠偶酰上游产品

糠偶酰下游产品

糠偶酰制备

由糠醛制得。糠醛与芳香醛的性质类似，在氰化钾的催化作用下，发生安息香缩合反应得到对称二味喃羟基乙酮。然后经氧化得到糠偶酰。将158g硫酸铅（含5个结晶水），210g吡啶，90g水用水浴加热搅拌成均相溶液，再加入57.6g糠偶因，水浴加热搅拌2h后倒入1L冷水中，析出结晶，过滤，水洗，乙醇洗。再用乙醇重结晶即得糠偶酰。

糠偶酰海关

[ 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%

糠偶酰文献

Biomass conversion to high value chemicals: from furfural to chiral hydrofuroins in two steps.

Org. Lett. 14(15) , 4014-7, (2012)

Catalytic asymmetric transfer hydrogenation of rac-furoin and furil produces hydrofuroin with up to 99% ee and 9:1 dr. This reaction provides an exceptionally easy access to optically active hydrofuro...

Syntheses and spectroscopic studies on macrocyclic complexes of dioxomolybdenum (VI) with furil as precursor. Rao DP, et al.

E-J. Chem. 9(2) , 497-503, (2012)

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糠偶酰