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4-Pentenoic acid, 2-diazo-3-oxo-5-phenyl-, ethyl ester, (E)- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

89861-36-9

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89861-36-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 89861-36-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,8,6 and 1 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 89861-36:
(7*8)+(6*9)+(5*8)+(4*6)+(3*1)+(2*3)+(1*6)=189
189 % 10 = 9
So 89861-36-9 is a valid CAS Registry Number.

89861-36-9Relevant articles and documents

Palladium-catalyzed cross-coupling of aryl or vinyl iodides with ethyl diazoacetate

Peng, Cheng,Cheng, Jiajia,Wang, Jianbo

, p. 8708 - 8709 (2008/02/11)

Pd(PPh3)4-catalyzed reaction between aryl or vinyl iodides and ethyl diazoacetate (EDA) leads to the formation of cross-coupling products in good yields. Copyright

A new method for the synthesis of 2-cyclopenten-1-one-5-carboxylic ester derivatives via Rh2(OAc)4-mediated intramolecular C-H insertion reaction of 4Z-β-vinyl-α-diazo β-ketoesters

Deng, Guisheng,Xu, Baihua,Wang, Jianbo

, p. 10811 - 10817 (2007/10/03)

2-Cyclopenten-1-one-5-carboxylic ester derivatives 14 are synthesized in a four-step-reaction sequence starting from alkynyl aldehydes 9 via 4Z-β-vinyl-α-diazo β-ketoesters intermediate 8. The synthetic method for 8 is described. When the δ substituent is

RHODIUM(II) ACETATE-CATALYZED REACTION OF ETHYL 2-DIAZO-3-OXOPENT-4-ENOATES: SIMPLE ROUTES TO 4-ARYL-2-HYDROXY-1-NAPHTHOATES AND β,γ-UNSATURATED ESTERS. THE DIANION OF ETHYL 4-(DIETHYLPHOSPHONO)ACETOACETATE AS A PROPIONATE EQUIVALENT

Taylor, Edward C.,Davies, Huw M. L.

, p. 5453 - 5456 (2007/10/02)

Rhodium(II) acetate-catalyzed decomposition of ethyl 2-diazo-3-oxopent-4-enoates results in the formation of either 4-aryl-2-hydroxy-naphthoates or β,γ-unsaturated esters.In the latter transformation, the dianion of 4-(diethylphosphono)acetoacetate functi

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