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2-Epi-(-)-shyobunone is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

72258-67-4

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72258-67-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 72258-67-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,2,5 and 8 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 72258-67:
(7*7)+(6*2)+(5*2)+(4*5)+(3*8)+(2*6)+(1*7)=134
134 % 10 = 4
So 72258-67-4 is a valid CAS Registry Number.

72258-67-4Downstream Products

72258-67-4Relevant academic research and scientific papers

Photocycloaddition of Methylcyclobutene and (-)-Piperitone: Synthesis of (-)-Shyobunone and Related Sesquiterpenes

Williams, John R.,Callahan, James F.

, p. 4475 - 4478 (2007/10/02)

Photocycloaddition of methylcyclobutene to (-)-piperitone affords the photoadduct 3a.Flash vacuum pyrolysis of the photoadduct 3a affords (-)-shyobunone (4a), 2-epi-(-)-shyobunone (5a), 3-epi-(-)-shybunone(6a),2,3-diepi-(-)-shyobunone (7a), and (R)-(+)-is

Synthesis of dl-Shyobunone

Vig, O. P.,Sharma, M. L.,Sethi, A. S.,Sharma, S. D.

, p. 176 - 177 (2007/10/02)

Shyobunone (I) has been synthesised starting from piperitone (II).The ketone (II) on reaction with divinyllithium cuprate produces stereospecifically the saturated ketone (III) in which the ketone function is masked as the ethylene ketal to give 1,1-ethyl

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