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88088-55-5

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88088-55-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 88088-55-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,8,0,8 and 8 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 88088-55:
(7*8)+(6*8)+(5*0)+(4*8)+(3*8)+(2*5)+(1*5)=175
175 % 10 = 5
So 88088-55-5 is a valid CAS Registry Number.

88088-55-5Relevant articles and documents

Synthesis of the oudemansins, naturally occurring β-methoxyacrylates from basidomycetes

Wittman,Kallmerten

, p. 4303 - 4307 (2007/10/02)

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-WITTIG SIGMATROPIC REARRANGEMENT OF CROTYL PROPARGYL ETHER SYSTEM; AN EMERGING TOOL FOR CONTROL OF ACYCLIC STEREOCHEMISTRY

Mikami, Koichi,Azuma, Ken-Ichi,Nakai, Takeshi

, p. 2303 - 2308 (2007/10/02)

The -Wittig rearrangement of properly designated (E)- and (Z)-crotyl propargyl ether system has been shown to exhibit a remarkably high degree of threo- and erythro-selection, respectively, and the stereochemical outcomes are discussed on mechanistic grounds.Some useful transformations of the rearrangement product are also described within the context of the formal total synthesis of (+/-)-oudemansin.Further, the high level of diastereoselection is maintained in the reaction of the α-methylcrotyl counterparts, together with the exclusive formation of the (E)-olefinic bond.

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