First Isolation of 1,3,2-Dithiaphosphetane 2-Sulfide.
✍ Scribed by Hideaki Oshida; Akihiko Ishii; Juzo Nakayama
- Publisher
- John Wiley and Sons
- Year
- 2004
- Weight
- 84 KB
- Volume
- 35
- Category
- Article
- ISSN
- 0931-7597
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## Abstract Syntheses of 2‐aryloxy/2‐chloro ethoxy‐2,3‐dihydro‐5‐benzoyl‐1H‐1,3,2‐benzodiaza‐phosphole 2‐oxides **3a–h** were accomplished by reactions of equimolar quantities of 3,4‐diaminobenzophenone (**1**) with various aryl/chloroethoxy phosphorodichloridates **2a–g** and **2h** in the presenc
In the title compound, C 17 H 19 N 2 O 2 PS 2 , the ®ve-membered phosphorus heterocycle has an envelope conformation. The carbamide moiety is involved in an NÐHÁ Á ÁS intramolecular hydrogen bond. The existence of a d±p % bond between the P atom and the adjacent N atom is observed.
1,2-dihydro 1,2-X3-azaphosphorines were prepared by reaction of dichlorophenylphosphine with two equivalents of immes derived from propanal. In some cases, 2-0~0 1,2-azaphospholenes were also obtained.