Two New 1,1,3,3-Tetramethylguanidinium Halochromates (C₅H₁₄N₃CrO₃X) (X: Cl, F): Efficient Reagents for Oxidation of Organic Substrates under Solvent-Free Conditions and Microwave Irradiation

Table 5

Comparison of oxidation of various organic substrates by TMGCC, TMGFC, PCC, PFC, BAAOC, and DmpzHFC.

Yield% (time [min])
Substrate	TMGCC	TMGFCC	PCC [20]	PFC [31, 32]	BAAOC [33]	DmpzHFC [34]
4-Methoxybenzyl alcohol	91 (1)	90 (1)	94 (5)	89 (10)	99 (2)	92 (2)
4-Chlorobenzyl alcohol	85 (1.5)	86 (1)	93 (10)	78 (10)	95 (7)	—
Benzyl alcohol	85 (1)	90 (0.5)	96 (15)	93 (10)	98 (1)	85 (1)
Cinnamyl alcohol	85 (1)	85 (0.5)	95 (15)	85 (10)	85 (20)	89 (2)