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1072145-52-8

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1072145-52-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1072145-52-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,7,2,1,4 and 5 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1072145-52:
(9*1)+(8*0)+(7*7)+(6*2)+(5*1)+(4*4)+(3*5)+(2*5)+(1*2)=118
118 % 10 = 8
So 1072145-52-8 is a valid CAS Registry Number.

1072145-52-8Relevant articles and documents

METHODS FOR SYNTHESIZING GLYCINOLS, GLYCEOLLINS I AND II, COMPOSITIONS OF SELECTED INTERMEDIATES, AND THERAPEUTIC USES THEREOF

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Page/Page column 2; 4; 11, (2011/06/26)

Two distinct methods are disclosed and claimed for synthesizing glyceollin I plus glyceollin II as a mixture and as their pure forms. Stereochemical isomers and various synthetic intermediates are also synthesized and claimed for their novel compositions of matter. All compounds and their mixtures are claimed for use in formulations that are useful to treat or prevent cancer, or that have utility as selective estrogen receptor modulators, such formulations including enhanced or medical foods, dietary supplements and ethical pharmaceutical agents.

Total syntheses of racemic and natural glycinol

Luniwal, Amarjit,Khupse, Rahul S.,Reese, Michael,Fang, Lei,Erhardt, Paul W.

scheme or table, p. 2072 - 2075 (2010/04/29)

Total syntheses of racemic and (-)-glycinol (1) are described. A Wittig reaction produced the isoflav-3-ene from which a Sharpless dihydroxylation introduced either the racemic or enantiomeric 6a-hydroxy group. A 5.5% overall yield of racemic material was obtained after 12 steps. A method was devised for a one-pot switch of protecting groups masking a sensitive resorcinolic para-functionality, and conditions were optimized to prompt spontaneous closure of the pterocarpanolic dihydrofuran upon subsequent exposure of its ortho-functionality. These improvements eliminated two steps and increased the overall yield to 9.8% during production of the natural enantiomer.

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