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ChemInform Abstract: Synthesis and Structures of the Intermediates of the Wittig, Peterson, and Their Related Reactions

✍ Scribed by T. KAWASHIMA

Publisher
John Wiley and Sons
Year
2010
Weight
25 KB
Volume
28
Category
Article
ISSN
0931-7597

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✦ Synopsis

Synthesis and Structures of the Intermediates of the Wittig, Peterson, and Their Related Reactions -(pentacoordinate oxaphosphetanes, oxasiletanides, oxagermetanides, oxastannetanides, and tetracoordinate oxaboretanides as stable intermediates; 46 refs.). -(KAWASHIMA, T.; Yuki

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Reaction of the ylide (cyclopropyl) 3 P=CH 2 with Michler's 3Ј) or bis(p-methoxyphenyl) thioketone (to give 5), respectively. The oxaphosphetane series 3Јa-3Јc shows a thioketone S=C(C 6 H 4 NMe 2 ) 2 in [D 5 ]pyridine gave the thio Wittig intermediate [(cyclopropyl) 3 P + -CH 2 -CAr 2 -S -] (11; 31