Quick move to entries starting with the letters B, P, S or W.
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]](../greek/LAMBDA.GIF)
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 15,25,35-triarsane. Hydrocarbyl derivatives of AsH3 belong to the class arsines.
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.
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.
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.
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.
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).
H2As(=O)OH and its As- hydrocarbyl derivatives. NOC Rule D-5.51. E.g. Me2 As(=O)OH dimethylarsinic acid.
arsinidenes: See arsanylidenes.
H2AsOH and its As-hydrocarbyl derivatives. NOC Rule D-5.21.
HAs(=O)(OH)2 and its As-hydrocarbyl derivatives. NOC Rule D-5.51.
Salts (including hydroxides) [R4As]+ X- containing tetracoordinate arsonium ion and the associated anion. NOC Rule D-5.31. See also onium compounds.
HAs(OH)2 and its As- hydrocarbyl derivatives. NOC Rule D-5.21.
The mononuclear hydride AsH5, systematically named 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.
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.
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 .
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 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.
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.
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), 
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 .
Compounds having the structure R3P=O ![[2headed arrow]](../greek/RESARR.GIF)
R3P+-O- (analogously, phosphine imides and phosphine sulfides). NOC Rule D-5.4. See under imides (2).
H2P(=O)OH (phosphinic acid) and its P-hydrocarbyl derivatives. NOC Rule D-5.51.
phosphinidenes: See phosphanylidenes.
H2POH (phosphinous acid) and its P-hydrocarbyl derivatives. NOC Rule D-5.21.
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.
HP(=O)(OH)2 (phosphonic acid) and its P-hydrocarbyl derivatives. NOC Rule D-5.51.
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 .
Salts (and hydroxides) [R4P]+X- containing tetracoordinate phosphonium ion and the associated anion. NOC Rule D-5.31. See under onium compounds.
Compounds having the structure R3P+-C-R2 R3P=CR 2. Also known as Wittig reagents. See under ylides.
A prefix indicating the presence of the group -P(=O)(OH)2. Cf. phospho. NOC Rule D-5.52.
HP(OH)2 (phosphonous acid) and its P-hydrocarbyl derivatives. NOC Rule D-5.21.
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.
The mononuclear hydride PH5, systematically named 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.
A tetracoordinate phosphorus species which has nine valence-shell electrons: R4P..
phosphorus ylides: See phosphonium ylides.
phosphylenes: An obsolescent synonym for phosphanylidenes.
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.
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.
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.
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.