𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Synthesis and structural characterization of tricarbonylbis-[Di(N,N′'-allylamino)carbene]chromium and tungsten(0) complexes

✍ Scribed by José A. Chamizo; Jorge Morgado; Cecilio Álvarez; Rubén A. Toscano

Publisher
Springer
Year
1995
Tongue
English
Weight
266 KB
Volume
20
Category
Article
ISSN
0340-4285

No coin nor oath required. For personal study only.

✦ Synopsis

The reaction in situ of [M(CO)6] (M = Cr or W), 1,2bis(N-allylamino)ethane and CH(NMe2)(OMe)2 has resulted in the isolation of chelated metal carbene compounds in low yield. A I-3, 3] amino-Claisen rearrangement of a transient allyl electron-rich olefin, the organic precursor of the carbenes, appears to be the principal product. A single crystal X-ray diffraction study has shown that the tungsten complex has similar structural parameters to a molybdenum-carbene previously communicated. Detailed characterization of family six (G, No, W) chelated carbene compounds has been completed.

📜 SIMILAR VOLUMES

Synthesis and characterization of trans-
Synthesis and characterization of trans-bis(n-alkyliminodiacetato)chromium(III) complexes
✍ R. Wernicke; H.-H. Schmidtke; P.E. Hoggard 📂 Article 📅 1977 🏛 Elsevier Science 🌐 English ⚖ 389 KB

Chromium complexes of the type K [Ck(RIDA)J . nHz0, R = ethyl (E), n-propyl (n-P), isopropyl (i-P), n-bury1 (n-B). and tbutyl (t-B), have been prepared in a one pot synthesis, omitting isolation of the ligands. The complexes have been characterized using infrared, visible-W, and luminescence spectro

Complexes of Azaphospholes: Synthesis an
Complexes of Azaphospholes: Synthesis and Structure of Pentacarbonyl-(η1)-2-phosphaindolizine)chromium(0), -molybdenum(0), and -tungsten(0)
✍ Neelima Gupta; Chandra B. Jain; Joachim Heinicke; Raj K. Bansal; Peter G. Jones 📂 Article 📅 1998 🏛 John Wiley and Sons 🌐 English ⚖ 306 KB 👁 1 views

The complex chemical behaviour of 2-phosphaindolizines 1 strong upfield signal (δ 31 P = 6.1) was observed with a coordination shift of ∆δ = -161.7, which is typical for π-(1,3-azaphospholo[1,5-a]pyridines) towards metal carbonyl compounds was studied. (η 1 -2-Phosphaindolizine)M(CO) 5 coordination.

Di- and Tri-organotin(IV) Complexes of N
Di- and Tri-organotin(IV) Complexes of N-Acetyltriglycine and N-Benzoyltriglycine: Synthesis and Spectroscopic Characterization
✍ Giuseppe Ruisi; Maria Teresa Lo Giudice; Friedo Huber; Michael Vornefeld 📂 Article 📅 1996 🏛 John Wiley and Sons 🌐 English ⚖ 842 KB

Di-and tri-organotin(1V) derivatives of Nacetyltriglycine and N-benzoyltriglycine (HA) were obtained by refluxing equimolar mixtures of the ligand and the organotin(1V) oxide or hydroxide in methanol or acetone. According to the spectroscopic data, triorganotin(1V) derivatives adopt a trigonal-bipyr