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881-90-3

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881-90-3 Usage

Description

2-methyl-4-(phenylmethylene)oxazol-5(4H)-one, also known as 2-methyl-4-[(1E)-phenylmethylidene]-4,5-dihydro-1,3-oxazole-5-one, is a heterocyclic compound characterized by a five-membered ring containing oxygen and nitrogen atoms. This chemical compound possesses unique structural and functional properties that make it a valuable intermediate in the synthesis of various organic molecules and biologically active compounds.

Uses

Used in Pharmaceutical Industry:
2-methyl-4-(phenylmethylene)oxazol-5(4H)-one is used as a building block for the synthesis of pharmaceutical compounds due to its unique structure and potential pharmacological activity. Its presence in natural products and medicinal chemistry has attracted researchers' interest for its potential applications in developing new drugs with therapeutic benefits.
Used in Agrochemical Industry:
In the agrochemical industry, 2-methyl-4-(phenylmethylene)oxazol-5(4H)-one serves as an important intermediate in the production of biologically active compounds. Its structural properties make it suitable for the development of agrochemicals with potential applications in crop protection, pest control, and other agricultural practices.
Overall, the versatile nature of 2-methyl-4-(phenylmethylene)oxazol-5(4H)-one, along with its potential applications in both pharmaceuticals and agrochemicals, highlights its significance as a key intermediate in the synthesis of various organic molecules and biologically active compounds.

Check Digit Verification of cas no

The CAS Registry Mumber 881-90-3 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 8,8 and 1 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 881-90:
(5*8)+(4*8)+(3*1)+(2*9)+(1*0)=93
93 % 10 = 3
So 881-90-3 is a valid CAS Registry Number.
InChI:InChI=1/C11H9NO2/c1-8-12-10(11(13)14-8)7-9-5-3-2-4-6-9/h2-7H,1H3/b10-7-

881-90-3SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 18, 2017

Revision Date: Aug 18, 2017

1.Identification

1.1 GHS Product identifier

Product name (4E)-4-benzylidene-2-methyl-1,3-oxazol-5-one

1.2 Other means of identification

Product number -
Other names 4-Benzylidene-2-methyloxazol-5(4H)-one

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:881-90-3 SDS

881-90-3Relevant articles and documents

Synthesis of series of low band gap small organic molecules and evaluation of their solar cell activity

Sharma,Handique

, p. 2223 - 2227 (2016)

Organic solar cells have attracted much attention in the recent years but still in search of devices with efficiency comparable to that of silicon solar cells. In this view, a series of highly conjugated imidazolinone molecules were synthesized by a simple in situ coupling method, which resulted in high yield (85-95 %) of the products compared to the traditional method of synthesis. UV-visible studies performed in varying solvents differing in polarity, showing shift in their spectra with change in polarity. The band gap calculated thereafter ranged between 2.8-3.1 eV showing their potential for use in photovoltaic cell. Studies of the I-V characteristics of the photovoltaic devices fabricated with the newly synthesized molecules were performed. The devices with naphthalene substituent showed the highest power conversion efficiency of 0.1 % compared to others, thereby opening up room for use in organic solar cells.

2H-thiazolo [3, 2-b]-1, 2, 4-triazine-3, 7-diketone derivative and application thereof

-

Paragraph 0011, (2020/12/29)

The invention discloses a 2Hthiazolo [3, 2b] 1, 2, 4triazine 3, 7diketone derivative as shown in a general formula I or pharmaceutically acceptable hydrate and salt thereof, the 2Hthiazolo [3, 2b] 1,2, 4triazine 3, 7diketone derivative comprises stereoisomers or tautomers thereof, and R1 and R2 in the general formula I can be optionally selected from one, two or three independently selected fromhydrogen, alkyl, alkoxy, halogen, hydroxyl, acetyl, propionyl, nitro or trifluoromethyl. The 1, 2, 4-triazine 3, 7diketone derivative has an obvious inhibiting effect on acetylcholin esterase, and isused for enhancing the memory of a patient suffering from dementia and Alzheimer's disease. The invention also relates to a preparation method of the compound and the application of the compound in preparation of drugs for treating Alzheimer's disease.

Nickel-Catalyzed Asymmetric Hydrogenation of 2-Amidoacrylates

Chen, Jianzhong,Gridnev, Ilya D.,Hu, Yawen,Li, Bowen,Zhang, Wanbin,Zhang, Zhenfeng

supporting information, p. 5371 - 5375 (2020/02/15)

Earth-abundant nickel, coordinated with a suitable chiral bisphosphine ligand, was found to be an efficient catalyst for the asymmetric hydrogenation of 2-amidoacrylates, affording the chiral α-amino acid esters in quantitative yields and excellent enantioselectivity (up to 96 % ee). The active catalyst component was studied by NMR and HRMS, which helped us to realize high catalytic efficiency on a gram scale with a low catalyst loading (S/C=2000). The hydrogenated products could be simply converted into chiral α-amino acids, β-amino alcohols, and their bioactive derivatives. Furthermore, the catalytic mechanism was investigated using deuterium-labeling experiments and computational calculations.

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