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Volumn 26, Issue 11, 1987, Pages 1167-1169

Peralkylated Polyaminophosphazenes— Extremely Strong, Neutral Nitrogen Bases

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EID: 84985611368 PISSN: 05700833 EISSN: 15213773 Source Type: Journal
DOI: 10.1002/anie.198711671 Document Type: Article

Times cited : (379)

References (29)

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- Hünig, S.¹ Kiessel, M.²

3
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- Über zwei neue Verfahren zur Einführung der Propinyliden-Gruppe
- (1965) Justus Liebigs Annalen der Chemie , vol.682 , pp. 62
- Eiter, K.¹ Oediger, H.²

8
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- Darstellung und Schwingungsspektren von Verbindungen des Typus X3PNCH3
- (1974) Z, Anorg. Allg. Chem. , vol.408 , pp. 293
- Haasemann, P.¹ Goubeau, J.²

10
- 29544448635
- (a) N‐Unsubstituted and silylated diphosphazenes of this type are known
- (1983) Zh. Obshch. Khim. , vol.53 , pp. 670
- Marchenko, A.P.¹ Koidan, G.N.² Pinchuk, A.M.³

11
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- Nebenreaktionen bei der Umsetzung von Trimethylsilylazid mit Trimethylphosphit und Trisdimethylaminophosphin
- (1976) Z. Anorg. Allg. Chem. , vol.419 , pp. 275
- Schlak, O.¹ Stadelmann, W.² Stelzer, O.³ Schmutzler, R.⁴

12
- 0346465444
- Tricyclische 2,4-Diaminovinamidine — leicht zugängliche, sehr starke CHN-Basen
- (1987) Angewandte Chemie , vol.99 , pp. 1209
- Schwesinger, R.¹

15
- 25444501649
- Dialkylamino-phosphane, VII: Tris(dimethylamino)-phosphonium-Salze
- (1965) Chemische Berichte , vol.98 , pp. 1981
- Nöth, H.¹ Vetter, H.J.²

18
- 84985634684
- IR data and correct C, H, N analyses arc available for all perchlorates: the perchlorates were chosen over the tetrafluoroborates on account of their better analytical results and higher thermal stabilities. The free bases are hygroscopic and therefore do not afford satisfactory analytical data.

19
- 84985633351
- 4 (0.01 M solution, 25°C) against an indicator: R. Schwesinger, unpublished.

20
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- a (l,4‐diaminobutane)=20.12
- (1967) Prog. Phys. Org. Chem. , vol.4 , pp. 45
- Coetzee, J.F.¹

23
- 84985577413
- Several lipophilic hexaminodiphosphazenium salts have been obtained via other routes: [7a].

24
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- Cyclophosphazen-Bildung durch „anomale Kirsanov-Reaktion”
- (1975) Angewandte Chemie , vol.87 , pp. 875
- Glidewell, C.¹

27
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- (1984) J. Am. Chem. Soc. , vol.106 , pp. 3234
- Bordwell, F.G.¹ Hughes, D.L.²

29
- 0001005313
- Reaction of 2-Lithiobenzothiazole with Electrophiles and a Synthesis of a-Hydroxy Aldehydes and Ketones
- In the presence of 11 as base, benzothiazole was C‐alkylated for the first time. With benzyl bromide in TH F at −78 °C, ca. 50% of 2‐(benzothia‐zol‐2‐yl)‐l,2,3‐triphenylpropane 13 is obtained. With potassium bis(tri‐methylsilyl)amide as base, on the other hand, little reaction occurs at −78°C, possibly because of the poor solubility of the organopotassium compound. After thawing, 13 was isolated in ca. 2–3% yield along with ca. 12% of l‐(benzothiazol‐2‐yl)‐l,2‐diphcnylclhane. Presumably, 2‐li‐thiobenzothiazole cannot be alkylated
- (1985) HETEROCYCLES , vol.23 , pp. 295
- Chikashita, H.¹ Itho, K.²

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