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(1S,2S)-Cyclopentane-1,2-diyl-bis(phosphonous dichloride), (1S,2S)-C5H8(PCl2)2 – A Versatile Optically Active Reagent

✍ Scribed by Lutz Dahlenburg; Anja Kaunert


Publisher
John Wiley and Sons
Year
1998
Tongue
English
Weight
221 KB
Volume
1998
Category
Article
ISSN
1434-1948

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✦ Synopsis


Treatment of (1S,2S)-C 5 H 8 (PH 2 ) 2 (1) with OC(OCCl 3 ) 2 gave (Me)Et-(S)] 2 (5), P[2-OC 10 H 6 C 10 H 6 O-2Ј-(R)] (6), P(NC 4 H 8 O-(1S,2S)C 5 H 8 (PCl 2 ) 2 (2) as the first example of an optically cyclo) 2 (7), P(C 6 H 11 -cyclo) 2 (8)] by reactions with oxygen, active bis(phosphonous dichloride). 2 was converted to nitrogen, and carbon nucleophiles. (1S,2S)-C 5 H 8 (PX 2 ) 2 [PX 2 = P(OMe) 2 (3), P(OPh) 2 (4), P[OCH-


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