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1'-Methylspiro[indene-1,3'-indoline]-2',3(2H)-dione is a complex organic chemical compound with the molecular formula C16H11NO2. It is a derivative of spiro[indene-1,3'-indoline]-2',3(2H)-dione, featuring a methyl group attached to the 1' position. 1'-methylspiro[indene-1,3'-indoline]-2',3(2H)-dione is characterized by its unique spiro structure, which consists of two fused rings, one being an indene and the other an indoline. The molecule also contains two carbonyl groups, one at the 2' position and the other at the 3 position, which contribute to its reactivity and potential applications in various chemical processes. Due to its specific structure and properties, 1'-methylspiro[indene-1,3'-indoline]-2',3(2H)-dione may be of interest in the fields of organic synthesis, pharmaceuticals, and materials science.

3533-51-5

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3533-51-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 3533-51-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,5,3 and 3 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 3533-51:
(6*3)+(5*5)+(4*3)+(3*3)+(2*5)+(1*1)=75
75 % 10 = 5
So 3533-51-5 is a valid CAS Registry Number.

3533-51-5Downstream Products

3533-51-5Relevant academic research and scientific papers

Spiroannulation of Oxindoles via Aryne and Alkyne Incorporation: Substituent-Diverted, Transition-Metal-Free, One-Pot Access to Spirooxindoles

Samineni, Ramesh,Madapa, Jaipal,Srihari, Pabbaraja,Mehta, Goverdhan

supporting information, p. 3119 - 3122 (2017/06/23)

A "product control via substrate design" strategy has been conceptualized and implemented to harness the potential of aryne and activated alkyne insertions into oxindoles to readily and efficiently furnish pharmacophoric indano- and cyclopentannulated spirooxindole scaffolds in an operationally straightforward, one-pot, transition-metal-free protocol.

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