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Книга: Главная » Словарь органических соединений » Хейльборн И.N. Словарь органических соединений Т 2
 
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4-Iodosalicylaldehyde
392
1-Iodostearic Acid
Sublimes in'vacuo—>• needles, m.p. 105-13° (Ihydrated).
1 - Me ether : 5 - iodo - 3 - hydroxyanisole. C7H702I. MW, 250. Sublimes in colourless needles. M.p. 90°.
Hodgson, Wignall, «7. Chem. Soc., 1926, 2826.
4-Iodosalicylaldehyde CHO
'\
OH
C7H502I
MW, 248
Long needles from EtOH or dil. AcOH, M.p. 87°. Volatile in steam. HN03—> 5-nitro deriv.
Benzoyl: m.p. 62°.
Me ether:. 4-iodo-2-methoxybenzaldehyde. Needles from EtOH. M.p. 85°. Oxime : m.p. 138°. Semicarbazone: m.p. 228°. p-Nitro-phenylhydrazone : m.p. 238° decomp.
Oxime: m.p. 171°.
Semicarbazone: m.p. 252°.
p-NitrophenyViydrazone : m.p. 242° decomp.
Hodgson, Jenkinson, J. Chem. Soc., 1927, 3043.
5-Iodosalicylaldehyde.
C8H703I. MW, 278. M.p. 150°. Decomp. above m.p. Sublimes at 120-30°.
Hodgson, Jenkinson, J. Chem. Soc., 1927,
3041. Brenans, Prost, Compt. rend., 1924, 178,
1010.
5-Iodosalicylic Acid. Needles from H20. M.p. 197° (193-5°). Sol. EtOH. Spar. sol. H20. Heat of comb. C, 706-5 Cal. FeCl3 —> violet col. Rapid heat —^ #-iodophenol. KOH fusion -<—> 2 : 5-di-hydroxybenzoic acid.
Acetyl: 5-iodoaspirin. M.p. 166°. Nitrile: C9He02NI. MW.287. Plates. M.p. 79°.
Et ester '. needles. M.p. 70-1°. Decomp. on diet.
Glycerol a.-mono-ester : m.p. 105°. - p-Nitrobenzyl ester : m.p. 141°. Miller, Ann., 1883, 220, 123. Visser, Arch. Pharm., 1897, 235, 559 (J. Chem. Soc. Abstracts, 1898, 74, I, 203). Haase, D.R.P., 224,536, (Chem. Abstracts,
1911, 5, 155). Brenans, Prost, Compt. rend., 1923, 176,
1626; 1924,178,1824. lodosobenzene
C6H5-IO
C6H5OI MW, 220
Yellow amorphous powder. Explodes at
FeCl3 on EtOH sol. —> blue col.
Oxime : needles from EtOH. M.p. 135°.
Visser, Arch. Pharm., 1897, 235, 558, (J. Chem. Soc. Abstracts, 1898, 74,1, 202).
3-Iodosalicylic Acid
COOH '\
\f
Pale yellow^needles from EtOH. M.p. 102°. 210°. Mod. sol. hot H20, EtOH. Insol. Et20, ™ ™ ^чтгт , ,, , Me2CO, C6He, pet. ether. Decomp. slowly on
standing, rapidly at 90-100° —>• CeH6I + CeH5I02.
Diacetate: C6HJ(O-CO-CH3)2. M.p. 160-5° (157°).
Dipropionate: CeHsI(0>CO-C2H5)2. Cryst. from ligroin. M.p. 67-70°.
Dibenzoate: CeH6I(0-CO-CeH6)2. M.p. 159-60°.
Sidgwick, Barkworth, J. Chem. Soc., 1931,
808.
Arbuzov, J. prakt. Chem., 1931,131, 357. Ortoleva, Gazz. chim. ital., 1900, 30, II, 3. lodosol.
See 6-Iodothymol. 1-Iodostearic Acid
C7H503I MW, 264
Long fine needles from H20. M.p. 199°. FeCl3 — >- violet col.
Brenans, Prost, Compt. rend., 1924, 178,
1824; 1923,176,1626. Dimroth, Ber., 1902, 35, 2873.
CH
4-Iodosalicylic Acid. M.p. 230° decomp. FeCl3
C18H3502I ' .'" MW, 410
-reddish-violet col. Leaflets. M.p 66°. Sol. warm EtOH, warm
Acetyl: 4-iodoaspirin. C9H704I. MW, 306. pet. ether.
M.p. 156°.
.p. ll»U . Л7«»»С . VJ18J. 138^x^0..
Et ester: C9H908I. MW, 292. M.p. 21°. from EtOH. M.p. 112°.
* . .<• . , ** ** e •*- • ___ . __. ., .
Amide: C18HseONI. MW, 409. Leaflets
Volatile in steam. Me ether : 4-iodo-2-methoxybenzoic acid.
Ponzio, Gazz. chim. ital., 1911, 41, I, 786; 1904, 34, II, 80.

 

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Лабораторные методы и промышленная органическая химия