Cas 1075244-40-4,(E)-4-[(1S,2R,3R,5R,7S)-5-[(2S,5R,6R,8R,10R)-2-(2-benzyloxy)ethyl-5-methyl-5-(triethylsilyl)oxy-1,7,9-trioxadispiro[5.1.5.2]pentadecan-10-ylmethyl]-2-(tert-butyldimethylsilyl)oxy-3-methyl-6,8-dioxabicyclo[3.2.1]octan-7-yl]-1-(tert-butyldiphenylsilyl)oxybut-3-en-2-one

1075244-40-4

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Basic information

Product Name: (E)-4-[(1S,2R,3R,5R,7S)-5-[(2S,5R,6R,8R,10R)-2-(2-benzyloxy)ethyl-5-methyl-5-(triethylsilyl)oxy-1,7,9-trioxadispiro[5.1.5.2]pentadecan-10-ylmethyl]-2-(tert-butyldimethylsilyl)oxy-3-methyl-6,8-dioxabicyclo[3.2.1]octan-7-yl]-1-(tert-butyldiphenylsilyl)oxybut-3-en-2-one
Synonyms: (E)-4-[(1S,2R,3R,5R,7S)-5-[(2S,5R,6R,8R,10R)-2-(2-benzyloxy)ethyl-5-methyl-5-(triethylsilyl)oxy-1,7,9-trioxadispiro[5.1.5.2]pentadecan-10-ylmethyl]-2-(tert-butyldimethylsilyl)oxy-3-methyl-6,8-dioxabicyclo[3.2.1]octan-7-yl]-1-(tert-butyldiphenylsilyl)oxybut-3-en-2-one
CAS NO:1075244-40-4
Molecular Formula:
Molecular Weight: 1083.68
EINECS: N/A
Product Categories: N/A

Chemical Properties

Melting Point: N/A
Boiling Point: N/A
Flash Point: N/A
Appearance: N/A
Density: N/A
Refractive Index: N/A
Storage Temp.: N/A
Solubility: N/A
CAS DataBase Reference: (E)-4-[(1S,2R,3R,5R,7S)-5-[(2S,5R,6R,8R,10R)-2-(2-benzyloxy)ethyl-5-methyl-5-(triethylsilyl)oxy-1,7,9-trioxadispiro[5.1.5.2]pentadecan-10-ylmethyl]-2-(tert-butyldimethylsilyl)oxy-3-methyl-6,8-dioxabicyclo[3.2.1]octan-7-yl]-1-(tert-butyldiphenylsilyl)oxybut-3-en-2-one(CAS DataBase Reference)
NIST Chemistry Reference: (E)-4-[(1S,2R,3R,5R,7S)-5-[(2S,5R,6R,8R,10R)-2-(2-benzyloxy)ethyl-5-methyl-5-(triethylsilyl)oxy-1,7,9-trioxadispiro[5.1.5.2]pentadecan-10-ylmethyl]-2-(tert-butyldimethylsilyl)oxy-3-methyl-6,8-dioxabicyclo[3.2.1]octan-7-yl]-1-(tert-butyldiphenylsilyl)oxybut-3-en-2-one(1075244-40-4)
EPA Substance Registry System: (E)-4-[(1S,2R,3R,5R,7S)-5-[(2S,5R,6R,8R,10R)-2-(2-benzyloxy)ethyl-5-methyl-5-(triethylsilyl)oxy-1,7,9-trioxadispiro[5.1.5.2]pentadecan-10-ylmethyl]-2-(tert-butyldimethylsilyl)oxy-3-methyl-6,8-dioxabicyclo[3.2.1]octan-7-yl]-1-(tert-butyldiphenylsilyl)oxybut-3-en-2-one(1075244-40-4)

Safety Data

Hazard Codes: N/A
Statements: N/A
Safety Statements: N/A
WGK Germany:
RTECS:
HazardClass: N/A
PackingGroup: N/A
Hazardous Substances Data: 1075244-40-4(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 1075244-40-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,7,5,2,4 and 4 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1075244-40:
(9*1)+(8*0)+(7*7)+(6*5)+(5*2)+(4*4)+(3*4)+(2*4)+(1*0)=134
134 % 10 = 4
So 1075244-40-4 is a valid CAS Registry Number.

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1075244-40-4Relevant academic research and scientific papers

Total synthesis of pinnatoxin A

Nakamura, Seiichi,Kikuchi, Fumiaki,Hashimoto, Shunichi

supporting information; experimental part, p. 7091 - 7094 (2009/04/07)

A familiar ring: A ruthenium-catalyzed cycloisomerization of an enyne, synthesized by an exo-selective Diels-Alder reaction with an α-methylene lactone as the dienophile, proved to be highly effective for the construction of the 27-membered carbocycle of pinnatoxin A. The total synthesis was completed upon the formation of the seven-membered cyclicimine by self-catalyzed dehydration. (Chemical Equation Presented).

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