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Volumn 18, Issue 17, 2007, Pages 2037-2048

A convenient chromatography-free access to enantiopure 6,6′-di-tert-butyl-1,1′-binaphthalene-2,2′-diol and its 3,3′-dibromo, di-tert-butyl and phosphorus derivatives: utility in asymmetric synthesis

Author keywords

[No Author keywords available]

Indexed keywords

2,2' DIHYDROXY 1,1' BINAPHTHYL; 3,3' DIBROMO 6,6' DI TERT BUTYL 1,1' BINAPHTHALENE 2,2' DIOL; 3,3' DIBROMO DI TERT BUTYL 1,1' BINAPHTHALENE 2,2' DIOL; 3,3',6,6' TETRA TERT BUTYL 1,1' BINAPHTHALENE 2,2' DIOL; 6,6' DI TERT BUTYL 1,1' BINAPHTHALENE 2,2' DIOL; ACETOPHENONE; CHLORIDE; NAPHTHALENE DERIVATIVE; PHENACYL CHLORIDE; PHOSPHORAMIDOUS ACID; PHOSPHOROCHLORIDITE; PHOSPHORUS DERIVATIVE; SELENIUM; SODIUM; UNCLASSIFIED DRUG;

EID: 34748916963     PISSN: 09574166     EISSN: 1362511X     Source Type: Journal    
DOI: 10.1016/j.tetasy.2007.06.028     Document Type: Article
Times cited : (15)

References (83)
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    • note
    • Reaction of the phosphorochloridite I [δ(P) 172.3] obtained from 4 led mostly to the unreacted starting material, along with some diol, under these conditions.
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    • note
    • We had used this route earlier to prepare compounds of type II-III: Said, M. A. Rings and Cages Containing Phosphorus, Arsenic and Antimony, Ph.D. Thesis, University of Hyderabad, India, 1996.{A figure is presented}
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    • It is possible that the increase in dihedral angles between the two naphthyl rings resulted in an increased ee. However, we do not have the X-ray structures of these phosphoramidites to determine the actual dihedral angles. These angles could be different from those in the BINOLs.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.