Organic reaction mechanisms. 1998 / subjindex

Subject Index		673
Vinyl cations,	Walsh orbitals, 420	Ylides,
1,2-aryl rearrangements in,	Wasabidienone A, 546	ammonium, 528, 531
306	Whiffen effect, 153	arsenic, 531
1-cyclopropyl-, 306	Witkop cyclization, vinylogous,	azomethine, 7, 539, 588
reviews, 297, 306	208	bismuthonium, 545
Vinylcyclopropanes,	Wittig reaction, 21, 364,	bromo, 47
cycloaddition, 479	408	carbonyl, 269
Vinyl diazoacetates,	MO calculations, 365	cycloaddition, 457, 461
decomposition, 521	of ylides, 456	formation, 376
Vinyl ethers, deprotonation, 375	phospha-, 22	oxonium, 526
Vinyliodonium salts, elimination	thio-, 22, 409	phosphorus, 260, 364, 531
reactions, 396	Wittig rearrangement, 377, 525	sulphinyl, 260
Vinylketenes, 541	[1,2], 544	sulphonium, 529, 530
2β-Vinyl-trans-octahydro-1,3-	aza-, 527	Wittig reaction, 456
benzoxazine, cycloaddition,	sparteine-mediated, 526	Yukawa–Tsuno equation,
460	Wolff rearrangement, 254, 261,	for arenium ions, 307
Vinylsilanes, rearrangement,	264, 269, 565	for benzyl cations, 298, 299,
562		304
Vitamin D, synthesis, 541	Xanthates, 125	for cyclopropylmethyl cations,
Vitamin K, oxidation, 243,	allylic, 519	310
244	rearrangement, 504	for nitrenium ions, 308
	Xanthenones, 556	for nucleophilic aliphatic
Wacker reaction, 224	rearrangement, 555	substitution, 340, 343
Wagner–Meerwein	Xanthines, 75
rearrangement, 425, 560,	X-ray structure, of carbenes,	Zinc–metalloporphyrin
571	257, 258	oligomers, 477
Wallach rearrangement, 498	Xyluloses, 574	Zwitterions, 595, 602

Indexes compiled by P. and K. Raven.