A comparison of the atom economy and atomic efficiency of the present methodology with other methods for the synthesis of 1-substituted-1H-tetrazole derivatives.

Entry	Equation	Desired product	Time (h)	Yielda (%)	AE (%)	AEf
1	6		5	67	47.70	31.95
	7		1	92		43.88
	8		40 min	92		43.88
	9		4 h 30 min	78		37.20
	10		20 min	98		46.74
2	6		4	77	54.40	41.88
	7		3	75		40.80
	8		1 h 10 min	92		50.04
	9		—	—		—
	10		45 min	80		43.52
3	6		6	92	52.37	48.18
	7		1	96		50.27
	8		1	93		48.70
	9		—	—		—
	10		15 min	97		50.79

^aIsolated yield.