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1352641-99-6

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1352641-99-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1352641-99-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,5,2,6,4 and 1 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1352641-99:
(9*1)+(8*3)+(7*5)+(6*2)+(5*6)+(4*4)+(3*1)+(2*9)+(1*9)=156
156 % 10 = 6
So 1352641-99-6 is a valid CAS Registry Number.

1352641-99-6Relevant articles and documents

Reactions of N-monosubstituted amidines with AlMe3 and AlMeCl2: Formation of fused triazaalane heterocycles

Maheswari,Reddy, N. Dastagiri

experimental part, p. 197 - 206 (2012/04/23)

Reactions of N-monosubstituted amidines of the formula HN=C(R)-NH(R′) (R = Ph, 4-tert-butylphenyl, Me; R′ = 2,6-diisopropylphenyl, Ph) with AlMe3 and AlMeCl2 are reported. All the N-(Dipp)amidines (Dipp = 2,6-diisopropylphenyl) react with AlMe3 in a 1:1 ratio to yield tetrameric aluminum amidinates (1, 2, and 3) in good yields. In these compounds, the amidinate ligand chelates to Al while bridging to another Al. However, when N-phenylamidines are employed, tetracyclic (4-9) and pentacyclic (10) Al-N-C heterocycles are formed. In the case of N-phenylbenzamidine, formation of a hexacyclic Al-N-C heterocycle (11) is observed when a slight excess of AlMe 3 (1:1.2 equiv) is used. In these compounds, the amidinate ligand coordinates to Al atoms in a bridging fashion. Further, N-(Dipp)acetamidine and N-(Dipp)benzamidine are also treated with AlMeCl2. Whereas N-(Dipp)acetamidine affords an ionic 15-membered aluminum amidinate chain (12), N-(Dipp)benzamidine gives a bicyclic heterocycle (13) and the AlCl3 adduct of N-(Dipp)benzamidine (14). However, from a reaction between N-phenylbenzamidine and AlMeCl2, only the AlCl3 adduct, 15, was isolated. Compounds 3, 4, 6, 8, and 10-15 have been structurally characterized.

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