Phosphorus, Arsenic, Antimony and Bismuth

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arsanes:*

The saturated hydrides of tervalent arsenic, having the general formula AsnHn+2. Individual members having an unbranched arsenic chain are named arsane, diarsane, triarsane, etc. The name of a saturated hydride of arsenic where one or more arsenic atoms have bonding number 5 is formed by prefixing locants and [lambda]5 symbols to the name of the corresponding arsane. CNOC, Treatment of Variable Valence in Organic Nomenclature (lambda convention), PAC 56, 769-778 (1984). Rule Lm.1. GNOC Recom. R-2.1, R-2.2. E.g. H2AsAsHAsH2 triarsane, H4AsAsH3AsH4 1[lambda]5,2[lambda]5,3[lambda]5-triarsane. Hydrocarbyl derivatives of AsH3 belong to the class arsines.

arsanylidenes:*

Recommended name for carbene analogues having the structure R-As: (former IUPAC name is arsinediyls). A common non-IUPAC synonym is arsinidenes . RNRI Rule RC-81.1.3.2.

arsanylium ions:

The arsanyl cation, H2As+, and derivatives by substitution. The name arsinylium (systematically derived from arsine ) is not applied as it already designates H2As(=O) +, the acylium ion derived from arsinic acid. RNRI Rule RC-82.2.2.2.

arsenides:*

Compounds obtained from arsines AsR3 by replacing one or more hydrogen atoms by a metal. NOC Rule D-5.19. E.g. CaAsPh calcium phenylarsenide.

arsines:*

AsH3 and compounds derived from it by substituting one, two or three hydrogen atoms by hydrocarbyl groups: R3As. RAsH2, R2AsH, R3As (R not equal to H) are called primary, secondary and tertiary arsines, respectively. NOC Rule D-5.11. A specific arsine is preferably named as a substituted arsane. GNOC Recom. R-5.1.3.2. E.g. CH3CH2AsH2 ethylarsane. Cf. arsanes.

arsine oxides:*

H3As=O and its hydrocarbyl derivatives. (Analogously arsine imides and arsine sulfides.) NOC Rule D-5.41. E.g. (CH3)3As=O trimethylarsine oxide or trimethylarsane oxide. See under imides (2).

arsinic acids:*

H2As(=O)OH and its As- hydrocarbyl derivatives. NOC Rule D-5.51. E.g. Me2 As(=O)OH dimethylarsinic acid.

arsinidenes: See arsanylidenes.

arsinous acids:*

H2AsOH and its As-hydrocarbyl derivatives. NOC Rule D-5.21.

arsonic acids:*

HAs(=O)(OH)2 and its As-hydrocarbyl derivatives. NOC Rule D-5.51.

arsonium compounds:*

Salts (including hydroxides) [R4As]+ X- containing tetracoordinate arsonium ion and the associated anion. NOC Rule D-5.31. See also onium compounds.

arsonous acids:*

HAs(OH)2 and its As- hydrocarbyl derivatives. NOC Rule D-5.21.

arsoranes:*

The mononuclear hydride AsH5, systematically named [lambda]5-arsane, and its hydrocarbyl derivatives. NOC Rule D-5.71. See also arsanes . By extension the term also applies to arsonium ylides. See under ylides.

bismuthanes:*

The saturated hydrides of tervalent bismuth, having the general formula BnHn+2. GNOC Recom. R-2.1, R-2.2. Hydrocarbyl derivatives of BiH3 belong to the class bismuthines.

bismuthines:*

BiH3 and compounds derived from it by substituting one, two or three hydrogen atoms by hydrocarbyl groups: R3Bi. RBiH2, R2BiH, R3Bi (R not equal to H) are called primary, secondary and tertiary bismuthines, respectively. NOC Rule D-5.11. A specific bismuthine is preferably named as a substituted bismuthane. GNOC Recom. R-5.1.3.2. E.g. (CH3)3Bi trimethylbismuthane. Cf. bismuthanes .

phosphanes:*

The saturated hydrides of tervalent phosphorus having the general formula PnHn+2. Individual members having an unbranched phosphorus chain are named phosphane, diphosphane, triphosphane, etc. The name of a saturated hydride of phosphorus wherein one or more phosphorus atoms have a bonding number of 5 is formed by prefixing locants and [lambda]5 symbols to the name of the corresponding phosphane. CNOC, Treatment of variable valence in organic nomenclature (lambda convention), PAC 56, 769-778 (1984) Rule Lm-1. GNOC Recom. R-2.1, R-2.2. Hydrocarbyl derivatives of PH3 belong to the class phosphines.

phosphanylidenes:*

Recommended name for carbene analogues having the structure RP: (former IUPAC name is phosphinediyls). A common non-IUPAC synonym is phosphinidenes. RNRI Rule RC-81.1.3.2.

phosphazenes:

Compounds containing a phosphorus-nitrogen double bond, i.e. derivatives of H3P=NH and HP=NH. A multiplicity of such bonds is present in various well-established chain, ring and cage compounds. NOC D-4.4. E.g. poly(diethoxyphosphazene),

phosphines:*

PH3 and compounds derived from it by substituting one, two or three hydrogen atoms by hydrocarbyl groups: R3P. RPH2, R2PH and R 3P (R not equal to H) are called primary, secondary and tertiary phosphines, respectively. NOC Rule D-5.11. A specific phosphine is preferably named as a substituted phosphane. GNOC Recom. R-5.1.3.2. E.g. CH3PH2 methylphosphane. Cf. phosphanes .

phosphine oxides:*

Compounds having the structure R3P=O [2headed arrow] R3P+-O- (analogously, phosphine imides and phosphine sulfides). NOC Rule D-5.4. See under imides (2).

phosphinic acids:*

H2P(=O)OH (phosphinic acid) and its P-hydrocarbyl derivatives. NOC Rule D-5.51.

phosphinidenes: See phosphanylidenes.

phosphinous acids:*

H2POH (phosphinous acid) and its P-hydrocarbyl derivatives. NOC Rule D-5.21.

phospho:

1. A prefix used in biochemical nomenclature in place of phosphono to denote the -P(=O)(OH)2 group linked to a heteroatom. BNRD Nomenclature of Phosphorus-Containing Compounds of Biochemical Importance, Rule 1 (p. 256). E.g. Me3N+-CH2CH2OP(=O)(OH)O- phosphocholine.

2. An infix used in biochemical nomenclature to name phosphoric diesters. BNRD Nomenclature of Phosphorus-Containing Compounds of Biochemical Importance, Rule 4 (p. 256). Cf. phosphoglycerides. E.g. glycerophosphocholine.

phosphonic acids:*

HP(=O)(OH)2 (phosphonic acid) and its P-hydrocarbyl derivatives. NOC Rule D-5.51.

phosphonitriles:*

Compounds of stoichiometric composition [X2PN]n, in which X is alkoxy, halogen, or other electronegative group, and n is a variable integer, the value of which may not be known. NOC Rule D-5.65. See phosphazenes .

phosphonium compounds:*

Salts (and hydroxides) [R4P]+X- containing tetracoordinate phosphonium ion and the associated anion. NOC Rule D-5.31. See under onium compounds.

phosphonium ylides:

Compounds having the structure R3P+-C-R2 [2headed arrow] R3P=CR 2. Also known as Wittig reagents. See under ylides.

phosphono:*

A prefix indicating the presence of the group -P(=O)(OH)2. Cf. phospho. NOC Rule D-5.52.

phosphonous acids:*

HP(OH)2 (phosphonous acid) and its P-hydrocarbyl derivatives. NOC Rule D-5.21.

phosphoramides:*

Compounds in which one or more of the OH groups of phosphoric acid have been replaced with an amino or substituted amino group; commonly confined to the phosphoric triamides, P(=O)(NR2)3, since replacement of one or two OH groups produces phosphoramidic acids: P(=O)(OH)(NR2)2 , P(=O)(OH)2(NR2). NOC Rule D-5.62.

phosphoranes:*

The mononuclear hydride PH5, systematically named [lambda]5-phosphane, and its hydrocarbyl derivatives. NOC Rule D-5.71. By extension, the literature also applies the term to phosphonium ylides. See also phosphanes.

phosphoranyl radicals:

A tetracoordinate phosphorus species which has nine valence-shell electrons: R4P..

phosphorus ylides: See phosphonium ylides.

phosphylenes: An obsolescent synonym for phosphanylidenes.

stibanes:*

The saturated hydrides of tervalent antimony, having the general formula SbnHn+2. GNOC Recom. R-2.1, R-2.2. Hydrocarbyl derivatives of SbH3 belong to the class stibines.

stibanylidenes:*

Recommended name for carbene analogues having the structure RSb: (former IUPAC name is stibinediyls). A common non-IUPAC synonym is stibinidenes. RNRI Rule RC-81.1.3.2.

stibines:*

SbH3 and compounds derived from it by substituting one, two or three hydrogen atoms by hydrocarbyl groups: R3Sb. RSbH2, R2SbH and R3Sb (R not equal to H) are called primary, secondary and tertiary stibines, respectively. NOC Rule D-5.11. A specific stibine is preferably named as a substituted stibane. GNOC Recom. R-5.1.3.2. E.g. (CH2=CH)3Sb trivinylstibane. Cf. stibanes .

stibinidenes: See stibanylidenes.

stibonium compounds:*

Salts (including hydroxides) containing an atom of tetracoordinate antimony, of the form [R4Sb]+ X-. NOC Rule D-5.31. See under onium compounds.

Wittig reagents: See phosphonium ylides.


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