Cas 132295-02-4,(R)-4-hydroxy-3-[1-(2-methoxyphenyl)-3-oxo-butyl]-chromen-2-one

132295-02-4

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Basic information

Product Name: (R)-4-hydroxy-3-[1-(2-methoxyphenyl)-3-oxo-butyl]-chromen-2-one
Synonyms: (R)-4-hydroxy-3-[1-(2-methoxyphenyl)-3-oxo-butyl]-chromen-2-one
CAS NO:132295-02-4
Molecular Formula:
Molecular Weight: 338.36
EINECS: N/A
Product Categories: N/A

Chemical Properties

Melting Point: N/A
Boiling Point: N/A
Flash Point: N/A
Appearance: N/A
Density: N/A
Refractive Index: N/A
Storage Temp.: N/A
Solubility: N/A
CAS DataBase Reference: (R)-4-hydroxy-3-[1-(2-methoxyphenyl)-3-oxo-butyl]-chromen-2-one(CAS DataBase Reference)
NIST Chemistry Reference: (R)-4-hydroxy-3-[1-(2-methoxyphenyl)-3-oxo-butyl]-chromen-2-one(132295-02-4)
EPA Substance Registry System: (R)-4-hydroxy-3-[1-(2-methoxyphenyl)-3-oxo-butyl]-chromen-2-one(132295-02-4)

Safety Data

Hazard Codes: N/A
Statements: N/A
Safety Statements: N/A
WGK Germany:
RTECS:
HazardClass: N/A
PackingGroup: N/A
Hazardous Substances Data: 132295-02-4(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 132295-02-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,2,2,9 and 5 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 132295-02:
(8*1)+(7*3)+(6*2)+(5*2)+(4*9)+(3*5)+(2*0)+(1*2)=104
104 % 10 = 4
So 132295-02-4 is a valid CAS Registry Number.

132295-02-4Upstream product

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132295-02-4Relevant academic research and scientific papers

Highly enantioselective synthesis of Warfarin and its analogs catalysed by primary amine-phosphinamide bifunctional catalysts

Dong, Juan,Du, Da-Ming

, p. 8125 - 8131 (2012/11/06)

An efficient enantioselective Michael addition of 4-hydroxycoumarin to α,β-unsaturated ketones catalysed by primary amine-phosphinamide bifunctional catalysts has been developed. This reaction afforded Warfarin and its analogs in moderate to excellent yie

Highly enantioselective synthesis of warfarin and its analogs by means of cooperative LiClO4/DPEN-catalyzed Michael reaction: Enantioselectivity enhancement and mechanism

Yang, Hua-Meng,Li, Li,Jiang, Ke-Zhi,Jiang, Jian-Xiong,Lai, Guo-Qiao,Xu, Li-Wen

supporting information; experimental part, p. 9708 - 9713 (2011/02/24)

The highly enantioselective synthesis of warfarin and its analogs was reported in this manuscript. And a cooperative catalysis was observed in asymmetric primary amine-catalyzed Michael reaction for the enantioselective synthesis of warfarin and its analogs, which led to the finding of several cooperative catalyst systems combined with Lewis acid and primary amine, such as LiClO4/DPEN. In this Michael reaction of 4-hydrocoumarin, the cooperative catalyst system (LiClO4/DPEN) resulted in higher levels of stereoselectivity (up to 94%ee). Additionally, the mechanism of the enantioselectivity enhancement in the cooperative catalytic Michael reaction has been investigated by using of ESI-MS and the study of nonlinear effect.

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